submission of monthly progress report by state of assam
TRANSCRIPT
Submission of Monthly Progress Report by State of Assam for River Stretches under priority I & II.
(Hon’ble NGT in the matter of O.A. No.673/2018 dated 06.12.2019)
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Activity to be monitored Timeline Submission of Progress by State/UT-
Compliance Status
1
Ensure 100% treatment of sewage at
least in situ remediation
31.03.2020 1. Superintending Engineer (Mech)
submitted proposal to the Secretary to
the Govt. of Assam, Guwahati
Development Department for improving
the Water quality of the Borsola beel
with cascading effect to cleanse the
Bharalu river downstream of the Chabi
pool. A copy of notice inviting EOI for
similar work involving river cleaning is
also submitted for ready reference.
Annexure –Ia to Ic
2.Guwahati Municipal Corporation has
been cleaning the following water
bodies regularly:
a) Bharalu River b) Mora Bharalu c) Bahini d) Lakhimijan e) Basistha Channel
The beels and pamohi channel are being
cleaned by GMDA. (Annexure- II)
Discharge of toilet and Sewage to the
targeted rivers is not allowed. A total
number of 4697 toilets has been
constructed and geo-tagged under
Swach Bharat Mission. (Annexure-II)
Disposal of Municipal Waste, Plastic, Bio
Medical Waste etc. in the river bodies are
prohibited. (Annexure-II)
Commencement of setting up of STPs
and connecting all the drains and other
sources of generation of sewage to the
STPs must be ensured
31.03.2020 3 nos. of concept papers submitted by
Assam Urban Water Supply and Sewage
Board to the Govt. under NESIDS, Govt.
of India. (Annexure-III)
Sewer line is not available in 3 AMRUT
cities.
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Activity to be monitored Timeline Submission of Progress by State/UT-
Compliance Status
Sewer line is not available in 1 Municipal
Corporation.
Sewer line is not available in 17 Municipal
Boards. (Annexure-IV).
2 Timeline for completing all steps of
action plans including completion of
setting up STPs and their
commissioning
31.03.2021 DPR for STPs to be completed within one
month. (Annexure V)
3 Chief Secretaries may set up
appropriate monitoring mechanism at
State level
Specifying accountability of nodal authorities not below the Secretary level
Chief Secretaries may have an accountable person attached in their office for this purpose
22.01.2020
22.01.2020
List Enclosed as Annexure VI
Avinash Joshi, IAS
Principal Secretary to the Govt. of
Assam,
Sports & Youth Welfare, Excise and
Environment & Forest Departments
Monitoring at State level must take place
Fortnightly
Commenci
ng
21.12.2019
State Level Monitoring was held on
14.02.2020 under the Chairmanship of
Principal Secretary to the Govt. of
Assam, Environment and Forest
Department.
Chief Secretary, Assam will again review
the matter on 25.02.2020 alongwith the
Review of Compliance of Hon’ble NGT
orders in OA No. 606/2018.
4 Progress report may be furnished by
the States/UTs to
Secretary, Ministry of Jal Shakti
Member Secretary, CPCB
Monthly
(preferably
before 20th
Monthly report for month of February
submitted on 17.02.2020
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Activity to be monitored Timeline Submission of Progress by State/UT-
Compliance Status
of every
month)
4.1 Progress Report may be comprised of
details along with completion
timelines on:
i. Identification of Polluting sources including drains contributing to river pollution and action as per NGT order on insitu treatment
ii. Status of STPs, I & D and sewage networks Details of Existing
Infrastructure, Gap Analysis,
Proposed along with
completion timeline,
iii. Status of CETPs Details of Existing CETP and
ETP Infrastructure, Gap
Analysis, proposed along with
completion timeline, No. of
industries and complying
status
iv. Status of Solid Waste Management & Details of Processing Facilities Details of Existing
Infrastructure, Gap Analysis,
proposed along with
completion timeline
i)Superintending Engineer (Mech)
submitted proposal to the Secretary to
the Govt. of Assam, Guwahati
Development Department for improving
the Water quality. (Annexure I)
ii) DPR for STPs to be completed within
one month. (Annexure V)
iii. Status report on closure of industries
to which closure notices were issued on
the ground of not having ETPs are
enclosed (Annexure-VII).
There is only one major industry namely,
Guwahati Refinery, IOCL and it has
online monitoring system.
Step shall be taken to insure Zero Liquid
Discharge (ZLD) in the major polluting
industrial units. (Annexure-VII).
iv. Disposal of municipal waste, plastic,
bio medical wastes etc. in the river
bodies are prohibited. (Annexure-II)
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Activity to be monitored Timeline Submission of Progress by State/UT-
Compliance Status
v. Latest water quality of polluted river, its tributaries, drains with flow details and ground water quality in the catchment of polluted river;
vi. Preventing dumping of waste and scientific waste management including bio-medical wastes, plastic wastes and decentralizing waste processing, including waste generated from hotels, ashrams, etc.
vii. Ground water regulation
viii. Adopting good irrigation practices
ix. Protection and management of Flood Plain Zones (FPZ),
v. PCBA is monthly monitoring the water
quality of the polluted stretches.
(Annexure-VIII a & VIII b)
vi. Disposal of municipal waste, plastic,
bio medical wastes etc. in the river
bodies are prohibited. Annexure-II
vii. Quantity categorization for Future
Ground Water Development is safe.
Resource estimation and categorization
of Kamrup Urban area is enclosed.
Annexure-IX
PCBA has been requested by the
Regional Director, Central Ground Water
Board North-east Region for providing
communication details of the identified
industries /infrastructure projects those
who are extracting Ground Water
without NOC from CGWA. PCBA has
already provided the list of industrial
details to CGWB. (Annexure-X)
viii. As the river Bahini and Bharalu
traverses through the dense urban area
of Guwahati city and there is no any
agricultural land along its bank till its
confluence with river Brahmaputra at
Bharalumukh area as such there is no
scope for irrigation practices.
ix. With regard to modification of
consent conditions in and around the
polluted stretches, following condition is
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Activity to be monitored Timeline Submission of Progress by State/UT-
Compliance Status
x. Rain water harvesting
xi. Maintaining minimum environmental flow of river
incorporated in the consent condition
“Effluent Analysis Report should be
submitted quarterly without fail.
Annexure-III
The Guwahati Metropolitan
Development Authority has constructed
guard/flood wall from Bhangagarh upto
ASEB Colony. The river Bharalu passes
through a congested urban habitation in
most of its run till its outfall at
Bharalumukh. The river bed is not
directly approachable in most of the
areas due to private patta land except in
some locations wherein footpaths in
patches were constructed time to time
by the State PWD Department.
Identification of locations where path
ways can be provided by the PWD
Department will be done.
As regards demarcation of flood plain
zone Bharalu and Bahini river basin in
greater Guwahati area, the following
areas are vulnerable to water level in
Bharalu:
Zoo road, Anil nagar, Tarun nagar, Nabin
nagar, Lachit nagar areas etc. Further
ASDMA have already prepared the flood
hazard map of Assam. Flood hazard map,
the flood prone area of Bharalu and
Bahini basin of Guwahati city will be
proposed by the Department for vetting
by the Government.
x. Provision for rain water harvesting has
already been incorporated in a building
by laws for Guwahati. Annexure-II.
xi. It is contemplated to establish a Gauge
discharge Station of Bahini/ Bharalu
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Activity to be monitored Timeline Submission of Progress by State/UT-
Compliance Status
xii. Plantation on both sides of the river
xiii. Setting up Biodiversity parks on flood plains by removing encroachment
xiv. Encroachment
River. Namely one at Hengerabari RCC
bridge, one at Jonali RRC bridge and one
at Shantipur Sluice Gate from
01.04.2020.
Earlier, an attempt was made to induct
fresh water into Bahini river by diverting
a part discharge of Basistha River through
a Sluice Gate at Basistha, Natun bazaar
area. A Scheme was taken up having
nomenclature, “Resectioning and
regarding of River Bharalu, Mora
Bharalu, Bahini, Basistha, Lakhimijan
Channel including reopening of Bahini
Sluice gate at Natun bazaar” which was
administratively approved by the
Secretary to the Govt. of Assam, Water
Resources Department, Guwahati-06.
The work was taken up during 2014-15
but due to Court Case vide No. WP (C)
709/2016, the work remained
incomplete.
xii. State Forest Department will take up
plantation programme . (Annexure-XI)
---
xiv Annexure-XII
PROJECT REPORT
Cleaning of Borsola Beel & Bharalu River
By using
Latest and the most advanced technology of Phycoremediation
Without using any harmful Chemicals
By
Trinity Impex International & Phycospectrum Environmental Research Center, Chennai
C-5/2 SFS DDA Flat, Saket, New Delhi 110017
E mail: [email protected]
Telephone: 91-11-9871405657
PHYCOREMEDIATION- A GREEN ADVANCED TECHNOLOGY OF FUTURE
FOR IN SITU WASTE WATER TREATMENT
Objective of the Report:
The basic objective of the report is to find & propose the most effective and most economical
solution to clean the polluted water in Bharalu drain/river flowing through Guwahati in the
least possible time with the following main purpose:
✓ To improve the quality of polluted water up to D/E standards as per CPCB norms , so
that the water could be used for irrigation, Animal drinking and Industry ✓ To improve quality of ground recharge water ( removal of E coli , FC and TC)
✓ To remove the foul smell by 100 % so that quality of Air Improves with positive effect
on Human Life. ✓ To improve Oxygen level around drains due to Bio-oxygenation in the drains
✓ To remove nuisance of Corrosion due to Foul smell ( Hydrogen Sulphide)
✓ To reduce Mosquitoes up to 60 % ( Bio-oxygenation)
About Bharalu
Bharalu River has its origin in the Khasi Hills, then it bifurcates into two rivulets: the
Basistha River, which flows towards Deepor Beel, and the Bahini River, which flows
downstream & is called the Bharalu .Bharalu finally merges in to Brahamputra while
flowing through Guwahati.. The Bharalu catchment area in Guwahati has undergone
rapid change of population in recent years, resulting in unabated encroachment and
discharge of untreated
Sewer/dumping of solid and liquid chemical wastes, thereby severely polluting the
Bharalu River before it merges in to Brahamputra at Bharalumukh and polluting the
Brahamputra in the main City. Water quality parameters like BOD, COD, EC, TC and
FC are far below specified standards of CPCB. Bharalu River Polluting Brahamputra
Present Condition of Bharalu River
Water Completely Dark and smelling
Expired and unused medicines and Chemicals being thrown as garbage on the Banks of
Bharalu. In rainy season, these Chemicals get in to Bharalu and ultimately to
Brahamputra
Confluence of Bharalu and Brahamputra
Route of Bharalu in the City
NECESSITY FOR TREATMENT OF BHARALU DRAIN
A) Presence of High content of disease causing bacteria and E coli from Excreta affecting health
The presence of following pathogen in polluted drain can cause serious problems MICROBIAL ASPECTS OF DISEASES CAUSED BY OPEN POLLUTED DRAINS
Comments:
Open polluted drains are a source of severe life threatening infections caused by different Microbes
The above picture indicates the specific diseases caused by various Bacteria, Viruses and other Microbes.
All these microbes can be eliminated without any chemical by using Micro-Algae Consortia – known as Phycoremediation
B) Foul smell caused by putrefying wastes and affecting Equipment & human health
The pollution in Bharalu drain and Borsola Beel generate foul smell leading to adverse effects on Human health and buildup of corrosion on equipment.
Particularly the effect of Hydrogen Sulphide is Carcinogenic.
The odors that we identify in the space/Environment around us are the result of the interaction between molecules given off by the odorous material and the sensory cells located in our nose.
The following compositions are mainly responsible for Environmental Pollution:-
Odor Material
Chemical
Composition Type of Smell Effect on Effect on
Human health Equipment
Acetaldehyde CH3CHO Pungent Adverse Yes Ammonia NH3 Pungent Leads to
Butyric acid CH3CH2CH2COOH Rancid Corrosion of
equipments
Diethyl sulfide C2H5C2H5S Garlic Fishy Adverse Leads to
Dimethyl amine CH3CH3NH Decayed Corrosion of
Dimethyl sulfide CH3CH3S cabbage equipment
Ethyl mercaptan C2H5SH Decayed Adverse Leads to
Formaldehyde HCHO cabbage May cause Corrosion of
Hydrogen
sulfide H2S Pungent Rotten death instantly equipment
eggs
Methyl CH3SH Decayed Adverse Leads to
mercaptan C6H5OH cabbage Corrosion of
Phenol C3H7SH Empyreumatic equipment
Propyl Unpleasant
mercaptan
Sulfur dioxide SO2 Pungent Fishy Adverse Leads to
Tri methyl amine CH3CH3CH3N Body odor can rupture Corrosion of
Valeric acid
CH3CH2CH2CH2C
OOH respiratory equipment
organs
Conclusion:
Hence the polluted water in Bharalu drain is not only affecting ground water but also foul
smell of Hydrogen Sulphide, Sulphur dioxide, carbon Mono-oxide are seriously affecting
Human health and also leading to corrosion of domestic equipment like AC, Washing
Machines, Cars, TV sets etc.
All the above disastrous effects of open drain pollution can be eliminated in 6-12 months by using Phycoremediation
C) High Level of COD and BOD affecting survival of fish and water borne good bio-life
BAD EFFECT OF HIGH BIOLOGICAL OXYGEN DEMAND
Biological Oxygen Demand (BOD) is one of the most common measures of
pollutant organic material in water. BOD indicates the amount of putrescible organic
matter present in water. Therefore, a low BOD is an indicator of good quality water,
while a high BOD indicates polluted water. Dissolved oxygen (DO) is consumed by
bacteria when large amounts of organic matter from sewage or other discharges are
present in the water. DO is the actual amount of oxygen available in dissolved form in
the water. When the DO drops below a certain level, the life forms in that water are
unable to continue at a normal rate. The decrease in the oxygen supply in the water has a
negative effect on the fish and other aquatic life. Fish kills and an invasion and growth of
certain types of weeds can cause dramatic adverse changes in a stream or other body of
water. This leads to discharge of gases like Hydrogen sulphide etc.
BAD EFFECT OF HIGH CHEMICAL OXYGEN DEMAND
In environmental chemistry, the chemical oxygen demand (COD) is an indicative
measure of the amount of oxygen that can be consumed by reactions in a
measured solution. It is commonly expressed in mass of oxygen consumed over
volume of solution which in SI units is milligrams per liter (mg/L).
The Effect of COD is similar to that of BOD but much worse than that. The presence of
higher COD indicates presence of Harmful chemicals which can leach in to ground water
and leads to contamination of aquifers.
The presence of undigested chemicals will lead to foul smell of chemicals in to the
environment and adversely affecting Human and Equipment health. It is also difficult to
remove COD from Water than BOD
To reduce BOD and COD to CPCB norms without any chemicals – Phycoremediation is only Solution. Phycoremediation is the most economical and quickest Solution for BOD and COD
D) Presence of TSS and Turbidity indicating presence of solids affecting flow and
capacity
Total dissolved solids (TDS) are naturally present in water or are the result of mining,
silting or some industrial treatment of water. TDS contain minerals and organic
molecules that provide benefits such as nutrients or contaminants such as toxic metals
and organic pollutants. Current regulations by CPCB require the periodic monitoring of
TDS, which is a measurement of inorganic salts, organic matter and other dissolved
materials in water. Measurements of TDS do not differentiate among ions.
The concentration and composition of TDS in polluted drainage waters is determined
by the geology of the drainage, atmospheric precipitation and the water balance
(evaporation-precipitation).
Changes in TDS concentrations in polluted waters often result from industrial effluent,
changes to the water balance (by limiting inflow, by increased water use or increased
precipitation), or by salt-water intrusion.
It has been noted that presence of HIGH TDS may affect some aquatic life of invertebrates and larvae as higher TDS causes toxicity for these to survive.
Comments:
The effects of large TDS are not very catestrophic on Bio life but certainly it can affect the flow by increasing bottom silt/sludge.
If it is not controlled , it can lead to lower hydraulic capacity of drains and Rivers and can lead to over flow/floods of drains causing devastation of Human Life .
It is for this reason that GOI has specified TSS and TDS limits
Phycoremediation reduces Organic Sludge over a period of time in the most natural way without affecting the Ecology at benthic level.
E) Leaching of heavy metals & Chemicals Nitrates and Fluorides affecting ground recharge water and affecting human health like cancer , liver , blood and skin diseases etc.
Effect of Heavy metals and Chemicals in polluted drains is extremely dangerous
SOURCES HEAVY METALS IN THE DRAIN
Toxic metals, to a large extent, are dispersed in the environment through industrial effluents, organic wastes, refuse burning, and transport and power generation. They can be carried to places many miles away from the sources by wind, depending upon whether they are in gaseous form or as particulates. Metallic pollutants are ultimately washed out of the air into land or the surface of water ways. Thus air is also a route for the pollution of environment.
Metal containing industrial effluents constitute a major source of metallic pollution of
hydrosphere. Another means of dispersal is the movement of drainage water from
catchment areas like Industrial area
Heavy Metals Manufacturing Industries responsible for Pollution
Arsenic Phosphate and Fertilizer, Metal Hardening , Paints And Textile
cadmium Phosphate Fertilizer, Electronics, Pigments And Paints
chromium Metal Plating , Tanning, Rubber And Photography
copper Plating, Rayon And Electrical
Lead Paints, Battery
Nickel Electroplating , Iron Steel
Zinc Galvanizing, Plating Iron And Steel
Mercury Chloro-Alkali, Scientific Instruments , Chemicals
NB: We have observed the presence of heavy chemicals drain and expired medicines
lying on the Banks of the River ,and this appears to adversely affect human life
Effects of Heavy metals on Human Health
Metal Target Organs Primary Sources Clinical effects
Arsenic Pulmonary Industrial Dusts, Perforation of Nasal Septum,
Nervous System, Medicinal Uses Of Respiratory Cancer, Peripheral
Skin Polluted Water Neuropathy: Dermatomes, Skin, Cancer
Cadmium Renal, Skeletal Industrial Dust And Proteinuria, Glycosuria, Osteomalacia,
Pulmonary Fumes And Polluted Aminoaciduria, Emphysema
Water And Food
Chromium Pulmonary Industrial Dust And Ulcer, Perforation of Nasal Septum,
Fumes And Polluted Respiratory Cancer
Food
Manganese Nervous System Industrial Dust And Central And Peripheral Neuropathies
Fumes
Lead Nervous Industrial Dust And Encephalopathy, Peripheral System, Fumes And Polluted Neuropathy, Central Nervous
Hematopoietic Food Disorders, Anemia.
System, Renal
Nickel Pulmonary, Skin Industrial Dust, Cancer, Dramatis Aerosols
Tin Nervous , Medicinal Uses, Central Nervous System Disorders, Pulmonary Industrial Dusts Visual Defects And EEG Changes,
System Pneumoconiosis
Mercury Nervous Industrial Dust And Proteinuria System, Renal Fumes And Polluted
Water And Food
Our Comments:
The Presence of heavy metals is a very serious health issue. The presence of heavy
metals in drain is mainly on account of untreated Industrial Effluent Discharge. This
(Untreated Industrial Effluent) need to be checked on immediate basis or second best
solution is the treatment of such drains using Phycoremediation.
The treatment of heavy metals in polluting drain needs to be considered on High Priority
Phycoremediation using Micro Algae Consortia is the only Solution for reducing heavy and toxic material in flowing drains
F) Effects of Chemicals in the drain
Overall effect Type of Chemical
Inorganic chemicals comprise some of the most common and mobile contaminants in groundwater. Such contaminants include nitrate, ammonia, sodium, chloride, fluoride, and arsenic. Nitrate contamination from sewage and agricultural practices occurs over large areas.. Fluoride and arsenic can
Inorganic occur naturally in areas containing sediments derived from
Chemicals igneous rocks. Nitrate and chloride do not adsorb readily on to soil materials and can be transported great distances.
E.g. nitrate, ammonia, sodium, chloride, fluoride, cyanide, arsenic, etc.- All are dangerous to Health
Organic compounds are carbon and hydrogen-based chemicals, some of which occur naturally. However, it is mainly the human-produced chemicals that are of concern. These chemicals include solvents, pesticides, and other industrial chemicals. Organic chemicals are removed from groundwater by chemical reactions and microbial activity.
Organic Chemicals Many organic compounds, however, particularly those containing chlorine, can remain in the subsurface for many years. Many organic chemicals are highly toxic and cause severe health problems such as birth defects and cancer.
E.g. petro-chemicals (oil, diesel), plastic, solvents, pesticides, chlorine, paint, etc. – All are dangerous to Health
Metals, including heavy metals, are also of environmental concern. The transport of metals is controlled by their solubility. The solubility of metals is dependent on pH. The pH of water can be affected by acid drainage from mining
Heavy Metal based compounds activities. Dissolved metals can also be adsorbed onto large
organic molecules in water and be transported by them.
E.g. cadmium, copper, lead, mercury, etc. – These are all
Carcinogenic and present as a compound
Note: Chemicals are equally bad nuisance and also to large extent are the result of heavy metals . The Solution for removal of Toxicity of above chemicals and metals is
Phycoremediation
G) The Effect of Open drain Pollution on Growth of Mosquito
It is well research that growth of Malaria is basically born and attracted on account of following reasons:
➢ Wetness ( moisture or water based conditions – tropical conditions)
➢ Presence of Carbon Dioxide
➢ Temperature
➢ Movement
But recent research has shown that Polluting activities are resulting in
malaria-transmitting mosquitoes expanding into new regions, while
adaptation to water pollution has increased their tolerance to pesticides.
A malaria specie An. arabiensis is extremely difficult to control. Besides
already reported insecticide resistance, they are prone to avoiding insecticide
treated nets and walls. These mosquitoes also tend to bite people outdoors,
where little can be done for protection.
These insects usually breed in clean water, but have adapted to breeding in
polluted water. This means that malaria vectors can now potentially increase
their range to areas where malaria didn’t usually occur.
NICD, South Africa research shows that polluted water sources are becoming a
breeding ground for mosquitoes that are tolerant to a range of toxins. It was
found that adult mosquitoes that were exposed to metal during the larval stage
developed insecticide resistance.
Hence apart from poisonous gases emanating from Polluted Water, The
nuisance of spread of Malaria cannot be ruled out and sometimes very large
amount of population of residents along the drain can be affected
Summary of over all effect of pollution in open drains – in this case Bharalu How Polluting drains in are adversally affecting Water , Air , Earth and Plants in
Guwahati:-
The pollution of Drains due to discharge of untreated Sewer and untreated Industrial
effluent etc. in Bharalu has resulted in polluting the water , increasing toxins in the
earth and discharge of harmful gases in to atmosphere affecting human life adversely
and disturbing the Ecology necessary for survival:
• Water
a. Increase of BOD, COD & Toxins in drain water has resulted in destruction
of ecology necessary for survival of bio-life for self-cleaning of water.
Due to toxicity and low DO, elimination of zoo-planktons has taken place.
Elimination of Zoo Planktons has resulted in destruction of Natural Food
Cycle created by Nature for survival of life. In fact pollution on drain is
destroying life slowly and steadily • Earth
b. The pollution in drains has resulted in polluting the quality of ground
recharge water. Due to toxic industrial pollution in drain water ,
carcinogenic materials like Arsenic, chromium, Fluorides , Nitrates etc.
have leached in to earth to aquifers and destroying quality of water
extracted from earth nearby , for domestic use through hand pump or
extracted for irrigation. This has resulted in serious health issues of the
people who use such polluted ground water. Incidence of cancer is one of
effects of polluted ground water • Air
c. The polluted water in the drains leads to generation of many toxic gases
like, Hydrogen sulphide. Carbon mono-oxide, methane, carbon di-oxide.
Gases like Hydrogen sulphide not only cause corrosion of equipment but
are proven to cause cancer as well and hence extremely dangerous.
Higher concentration of hydrogen sulphide (1000 ppm) cause instant
death .Carbon di-oxide leads to mosquito build up around the area and
may lead to health issues. Vehicular emission also causes air pollution,
which is bad for health. • Plant
d. The untreated Toxic water flowing in the polluted drains has been used
by Farming community for crops due to unavailability of good water and
for the purpose of convenience and saving the cost. The toxic materials
are absorbed by the plants, which are consumed directly or indirectly by
Animals and human beings. Such toxic materials lead to health issues of
Skin, liver, cancer, blood etc.
Comments: Hence polluted Bharalu is a threat to Human and other Bio
life which are necessary. Apart from this the life of equipment is getting
reduced and affecting residents financially
Major Polluting Bodies in Guwahati –Bharalu and Borsola Beel
Major Water bodies in Guwahati (as shown in Blue)
However , the major Concern are Borsola Beel and Bharalu River which are polluting the
City
Technology Options – available today for treatment of polluted Bharalu Drain
and Borsola Beel.
To overcome the pollution contributed by drains, there are few options that can
be considered as treatment options. These options can be broadly classified in
two categories as follows:
1. Conventional Sewage Treatment Plants,
2. In-Situ Sewage Treatment
A) Conventional treatment Technology, ASP (Activated Sludge Process)
In conventional activated sludge
process, the sewage is aerated in
aeration basins in which micro-
organism metabolize the soluble and
suspended organic matter. Part of the
organic matter is synthesized in to new
cells and part is oxidized to carbon
dioxide and water to derive energy. The
new cells formed in the reactions are
removed from the liquid stream in the
form of a flocculent sludge in the
settling tanks. A part of the activated
sludge is recycled to the aeration basin
and the remaining forms waste or
excess sludge. It is mainly constructed
for BOD and TSS removal and is not
suitable to treat waste water for nutrient
and odor removal. This shall require
huge land and power to operate
equipment.
These types of plants have mostly been set up so far. These are in use for treatment of Sewage but not effective for comprehensive treatment
B) Modified Ludzak –Ettinger (MLE) Process
It is the most common process used for biological nitrogen removal in municipal
waste water treatment. The process consists of an anoxic tank followed by the
aeration tank where nitrification occurs. Nitrate produced in the aeration tank is
recycled back to the anoxic tank where it is reduced to nitrogen gas. Major BOD
removal takes place in aeration tank. This shall require huge land and power for
operate equipment. It shall also be very costly to construct and OM cost. C) Conventional Treatment Technology, SBR (Sequential Batch Reactor):
A Sequential Batch Reactor (SBR) is a fill
and draw activated sludge treatment
system. The unit processes involved in the
SBR and Conventional Activated Sludge
Systems are identical. Aeration and
sedimentation/ clarification are carried out
in both systems. However, there is one
important difference, in conventional
plants the processes are carried out
simultaneously in separate tanks, whereas
in SBR operation the processes are carried
out sequentially in the same tank. All
wastewater commonly treated by
conventional activated sludge plants can be
treated with SBRs. This shall require land
and huge power to operate equipment. It
shall also be very costly to construct and
OM cost
D) Conventional Treatment Technology, Biological Oxidation and Filtration Process:
The Biological Filter is the up-flow type submerged media biological filtration
Technology using the principle of attached growth process for the biological
oxidation of dissolved organics and ammonia present in effluent. It has highly
compact layout and well suited for variable loads. The diffused aeration system
is a part of biological filtration units. The biggest disadvantage of this process is
the high requirement of chemicals such as Ferric Chloride at the stage of
primary clarifier and addition of Methanol, required as external carbon source
for denitrification in post anoxic tank which shall increase the operation and
maintenance cost.
E) UASB -Conventional Treatment Technology, Anaerobic process based process
Photo of UASB Plant
UASB Anaerobic process in brief
The up flow anaerobic sludge blanket reactor (UASB) is a single tank process in an
anaerobic centralized or decentralized industrial wastewater or waste water treatment
system achieving high removal of organic pollutants. Wastewater enters the reactor from
the bottom, and flows upward. A suspended sludge blanket filters and treats the
wastewater as the wastewater flows through it. Bacteria living in the sludge break down
organic matter by anaerobic digestion, transforming it into biogas. Solids are also
retained by a filtration effect of the blanket. The upflow regime and the motion of the
gas bubbles allow mixing without mechanical assistance. Baffles at the top of the reactor
allow gases to escape and prevent an outflow of the sludge blanket. As all aerobic
treatments, UASB require a post-treatment to remove pathogens, but due to a low
removal of nutrients, the effluent water as well as the stabilized sludge can be used in
agriculture but with caution.
But to set up such a plant is costly, both Capex and Opex , requiring large land, use of chemicals
F) Biotechnology based in situ treatment of drains:
These in situ treatments can be divided broadly in to following classifications:
I. Use of Non Pathogenic bacteria developed external to Natural Source
II. Use of Micro-Algae based consortia having natural aerobic bacteria
attached to it (Phycoremediation). It is a comprehensive treatment by itself III. Use of external Nutrition to grow bio life in waste water IV. Combination of above 1 and 3
a) Basis of Comparison of conventional technologies
All conventional treatment technology for sewage treatment processes are considered from various points of view as under:
➢ Power requirements
➢ Land Requirement
➢ Capital costs.
➢ Operating costs.
➢ Simplicity in operations
➢ By-product recovery and;
➢ Effluent quality etc.
b) In situ Sewage treatment
➢ Immediate treatment
➢ Less Capital cost
➢ Less Operation & Maintenance cost
➢ Ease of Operation
➢ No extra space / area requirement for construction.
➢ No Power requirement
Based on the above parameters, comparison has been made between conventional
technology and bacteria based treatment versus Phycoremediation. The comparison has
been made in following pages.
The comparison in the following pages has been done on two fronts:
• Conventional System of water Treatment Vs. Phycoremediation • Bacteria based Bio remediation Vs. Phyco based bioremediation
The latter comparison makes it clear that out of in situ treatment technologies, Algae is far better a technology and it is the latest technology being used.
SELECTION OF TREATMENT OPTION-COMPARISON OF TECHNOLOGIES
Comparison of Technologies Conventional Versus Phyco – Most suited to Guwahati
The following is the comparison of technologies which can be suited for treatment of open drains in Guwahati
PARAMET
ER STP/ETP/WTP
PHYCO-
REMEDIATION
ADVANTAGE OF
PHYCO
CAPITAL COST
Rs. 2-2.5 Cr/MLD ( Incl. Land)
Less than 70% of STP/CETP
SAVING OF CAPITAL COST by 70 %
OPERATING COST Rs. 9-10 /KLD Rs. 5-6 /KLD About 50% REDUCTION
TIME TO SET UP
20-24 MONTHS
1-3 MONTHS
FASTER OPERATION
COST OF
ENERGY
50-60 % OF
OPERATING COST
5 % OF OPERATING
COST
Almost NEGLIGIBLE
ENERGY COST
ENERGY USED
ELECTRICITY
SUNLIGHT
NO COST AS SUN
ENERGY IS FREE BY
NATURE
USE OF TOXIC
PART OF TECHNOLOGY NO TOXIC
CHEMICALS USED –
NO CARICINOGENIC
MATERIAL USED
CARCINOGENIC
TECH.
CHEMICALS
ORGANIC
EXTERNAL
BACTERIA YES
NO-ONLY
SYMBIOTIC
BACTERIA SAFER pH DIFFICULT TO
WORK IF ON
ALGAE CAN
WORK FROM
STABILIZATION ON
WIDE RANGE
EXTREME SIDE
EXTREME ACIDIC
TO BASIC ( 1-14) BOD
>90 %
> 90%
SIMILAR
COD/E-COLI ETC
> 90%
>95%
REDUCTION BETTER
THAN STP
NITRATE
NOT
POSSIBL
E UP TO 80%
VERY EFFECTIVE IN
NITRATE REMOVAL
TO
REMOVE
SLUDGE NOT UP TO 80% EFFECTIVE IN
REMOVAL POSSIBL
E
REMOVAL OF SLUDGE
TO
REMOVE
SUSTAINABL
E NO YES HIGHLY SUSTAINABLE
HEAVY METALS NO
REDUCTI
ON
REMOVES MORE
THAN 70-80%
HIGHLY EFFECTIVE
NATURAL
FOOD CHAIN NO
SETS NATURAL
FOOD CHAIN
ONLY THIS
TECHNOLOGY CAN DO
IT
HARDNESS CANNOT
CAN REMOVE
HARDNESS BY 70%
CALCIUM CARBONATE
CAN BE BROKEN BY
REMOVE ALGAE
INCREASE IN
DISSOLVED
NOT
VERY VERY EFFECTIVE PROMOTE BIO-LIFE
OXYGEN
EFFECTI
VE
Fertile water &
Sludge No
Highly Fertile for bio
fertilizer
SHALL HELP IN
IMPROVING HEALTH OF
AGRICUTURAL LAND
AND ORGANIC
VEGETABLES &
CEREALS Hence from above table it can be concluded that Phycoremediation is very comprehensive and integrated process for in situ treatment of Waste water in drains and ponds as well
Comparison between in Situ processes:
Micro-Algae based Bio-
Remediation
Bacteria based Bio-Remediation
Micro-Algae and bacteria are in symbiotic
relationship which makes them very robust
and invulnerable to high fluctuations in
incoming load.
Like in the case of Activated Sludge Processes,
bacterial systems are extremely vulnerable to
incoming loads.
Can reduce COD, BOD, Fecal and Total Can remove only
COD and coliform, Ammoniacal nitrogen, BOD
nitrates and phosphates as well as stabilize pH
System is photosynthetic and so oxygen
evolving. This leads to a boost in biotic life Micro-Algae used are a part of the natural
food chain and completely non-pathogenic.
Even if they are drained into a larger river,
they will support biological diversity instead
of hampering it.
System is not oxygen evolving and has no impact on
biotic life. Bacteria used can be pathogenic for persons with less
immunity. They are definitely not a part of the
natural food chain and might not support biological
diversity.
Micro-Algae are self-sustaining and can
have a significant impact downstream for
many miles. It can remove heavy metals / Carcinogenic
material /Chromium etc. from Waste water
More than 98 % of Natural water in the
world uses Algae for Bio-remediation as
gifted by Nature and we just replicate the
process used by Nature for cleaning Water
Bacteria used are not always self-sustainable. Their
impact will be very localized. Bacteria used have no such properties
Hardly people use bacteria for Bio-remediation for
large water bodies. Their adverse effect on long term
use is still not known.
Algae remove sludge at benthic level
Not known to remove sludge
Hence Phycoremediation is a better choice
Based on above comparison, we recommend Phycoremediation for use in Borsola Beel and
Bharalu About technology - Phycoremediation Phycoremediation is defined as the use of either macro-algae or micro-algae (Using Sun Light and Carbon Di Oxide) for the removal or biotransformation of pollutants, including nutrients and Xenobiotic from Waste Water. Green Micro-Algae carries out Photosynthesis using Sun Light and absorbing Carbon Di-Oxide
.We use green micro- algae for Purification of the Air & Water and reducing Carbon Foot Prints
Micro Algae is like micro Aquatic Plants and highly effective in cleaning water and Air Broad areas of treatment – Drains, Lakes, Ponds, STP and Industry
Our experience in treatment of water bodies
River Mausam at Malegaon Pond at Mainath, Aligarh
Afer initial Treatment After treatment 22
Parameters of Mausam River before treatment
Parameters Dyane Mausam Chandanpuri
pH 8.93 7.5 7.5
BOD (ppm) 283 164 66
COD (ppm) 833 476 188
NH3-N (ppm) 2.75 4 4.1
E.coli (MPN/100 ml) 49 9.2 x 105 9.2 x 104
Total coliform (MPN/100 9.2 x 104 5.4 x 106 9.2 x 106
ml)
Parameters of Mausam River after treatment
Parameters Dyane Mausam Chandanpuri
pH 7.01 7.37 7.76
COD (ppm) 14 24 21
NH3-N (ppm) 0.63 1.45 2.63
E.coli (MPN/100 ml) 94 280 540
Total coliform (MPN/100 170 920 540
ml)
Comparison of Results of Aligarh Pond before and After treatment
PARAMETERS
BEFORE AFTER
%
REDUCTION
TREATMENT TREATMENT
COD 900 PPM 80 PPM 90.0%
BOD 220 PPM 16 PPM 92.7%
TURBIDITY 2213 NTU 11.71 NTU 99.4%
TOTAL COLIFORM 5X105 1.6 X 103 99.7%
(MPN PER 100 ML)
E.COLI 2.1 X 103 8 99.6%
(MPN PER 100 ML)
According to our experience no conventional or unconventional technology is as
effective and Economical as Phycoremediation and without affecting Ecology.
Initial condition of Jhansi Pond
Water hyacinth was removed physically
Condition after removal of Water hyacinth
Condition after 8 weeks of treatment
Our Observations during Treatment
A) Change in Color of Pond Water ( from 22nd OCT 2017 to 28th NOV 2017)
( Dark Grey-Blackish) (Light Grey-to –Brownish)
Drastic Change in the Color of the Water in cluding transparency(28TH NOV 2017)
Second phase of treatment at Jhansi Talab was started from 11th to 28th NOV 2017 The following was achieved distinctly after second phase of treatment:-
1. There was absolutely no foul or stinking smell. This was confirmed by the
Priest and other in the Lakshmi Temple and the people working around & also
people working near Shiva Temple
2. The Priest of the Lakshmi temple also confirmed that the there was no
deposition of Black soot on the Idol of Goddess Lakshmi since the time of First
phase of treatment. This proves that Hydrogen Sulphide and Methane or other
Poisonous Gases were no longer there in the air
3. The Water had become more transparent and improvement in the visibility of Water and also clarity of reflection in Water
4. We had got the Water tested from ITC Lab dated 27th NOV 2017 and it was
found to have the following Parameters :-
Parameters Method Standard Results
1 COD APHA -23rd Edition 250 216
2 BOD IS-3025(44) 30 73 3 TKN APHA -23rd Edition 100 52
4 E-Coli APHA -23rd Edition/IS 5000 540
5 Total Coliform APHA -23rd Edition - 1600
NB: It may be noted that the pond was not cleaned for last 15 years and about 1.7 Crore Liter (17 MLD) of untreated water was falling in to the Pond The Entire Pond ( 80 Acres) was laden with water hyacinth. We just treated a part of it
Original condition of entire Pond
26
What we plan to do for treatment – for Bharlu Drain –Macro Planning
Identification of all points and sources of Pollution
Customized culture of Micro Algae consortia for each drain/Water body
Keeping sludge Management in view Keeping Septage management in view
Keeping Solid Management in view To protect ecological environment for necessary bio life
Methodology of Treatment – If Phycoremediation is adopted to treat Bharalu –Borsola Beel
By using this technology, variety of projects for the treatment of wastewater in Open
Drains, River, Lakes, Ponds, Sewage Treatment Plants, ETP have been successfully
implemented with good results.
Basically the project involves the following
PHASE 1
• Physical Survey of all Drains & Laterals& Borsola Beel
• Sampling of Waste water and Testing
• Selection of Dozing sites and making HRAP
• Calculation of Dosing Pattern
• Mobilization of Project
PHASE 2 • Installation of Dosing Systems • Cleaning of accumulated Floatables
• Preparation of Active dosing Solution
• Commencing Operation of cleaning
Time Frame:
Phase 1 : 4 weeks
Phase 2 : 8 weeks
Phase 3 : 10 weeks
NB : As per our survey and study , we are of the opinion that Borsola Beel should be
the focus of attention for cleaning Borsola for the following resasons; ➢ Water is moving at very slow pace
➢ Retention time for Algae is more , So advanced Phycoremediation can be used economically
➢ It has excess nutition forAlgae to grow
➢ Surface area to Sun light is very large
➢ Space available for dozing on both sides
➢ It can effectively feed Bharalu by itself and initiate the process of Phycoremediation in Bharalu even without treating Bharalu by itself
➢ Brahamputra will be relatively more clean near Bhrarlu mukh
Schematic Diagram for growing Algae and Dozing Inoculum. Borsola Beel
Red Arrow shows
Bharalu
Brahamputra
Borsola Beel
Diesel Pump 1
High Rate Algal Diesel
Pond
Pump 2
orTanker
Using Diesel Pump 1 to pump water
Adding initial Algae Consortia Adding organic Nutrition
The main dozing will in Borsola Beel, which is finally merging in to Bharalu which is again merging in to Brahamputra
Hence by treating Borsola Beel, Bharalu will be treated to a very large extent and
there will be no further treatment required in Bharalu if treatment goes on for few
years. This is the most economic model that we perceive.
Steps to grow Algae:-
1. To make Algal Ponds ( 2 No’s) -Size 25 M x10 M x 1 M (To be decided after
field study)
2. To lay PP lining to stop seepage. To grow Micro Algae Consortia in a small tank
-1000 L to begin with and then multiply further in HRAP by adding Water from
River and Nutrition
3. Keep on repeating step no 3 till sufficient Consortia is grown till about 5 million Liters is grown – This may take about 2-3 months
4. Start dozing when approximately 1 Million Liter inoculum is grown
5. We will begin with addition 0.5 % of total flow for about 10-15 days , then weekly and then fortnightly
6. Start Monitoring pH at various time intervals in the Beel and Bharalu
Cost Estimates –
Item: Rate
Testing of water, selection of the right micro algae
consortia, development of the right nutrient profile. Rs. 1,50,00,000.00
construction of High Rate Algal pond at site, designing (Rupees One Crore fifty lakh)
the dosing pattern, dosing as per design at designated only
points, periodic testing, providing man and machine
for this purpose for a period of 12 months.
N.B : Land for the HRAP to be provided free of cost.
Removal of water hyacinth and other hydrophytes
Is not under the scope of work.
Revenue Model:
Though Algae has multiple models of Revenue genration but to begin with , we propose to concentrate on Fish Culture – The water quality will improve to sustain fish culture.
Implementation of Action Plan for rejuvenation of polluted river stretches under Priority-I & II (Annexure II)
(GMC part) Type Action Points Responsib
le Authority
Time targeted
Decisions taken in the meeting Comment
Interception and
treatment of raw
sewage
b) Concerned department should design the installation of Sewage Treatment Plant (STP) based on flaw details of the drains and utilization capacity and ensure that each households are connected to the sewers as applicable.
PCBA/Municipal Corporation/ULBs/ District Administration Water resource department
2 years (August, 2019 to March, 2021)
a) PCBA to take necessary action and furnish report by 06.02.2020
Guwahati Municipal Corporation has been cleaning the following water bodies regularly: 1. Bharalu River 2. Mora Bharalu 3. Bahini 4. Lakhimijan 5. Basistha Channel
The beels and pamohi channel are being cleaned by GMDA
b & e. GDD department WILL Examine the current status of the STP projects taken up by the Guwahati Jal Board and Guwahat Smart Cities Ltd. Status report may be submitted within 06.02.2020 Representative of Jal Shakti Ministry highlighted that the DPR for the STPs should be in conformity with the guidelines of nrcd.in of the Ministry. GMC will take urgent steps to shift the dumped solid wastes in the river/beels and maintain the required cleanliness of the water. SE (M), PWD (B) & NHD will subkit a proposal to the PCBA & GDD with cost estimates for immediate bio remediation (in situ) of Bharalu River, Silsako, Borsola and Sarusola Beels. GDD will take action to float RFP?EOI accordingly. The status report may be submitted by 06.02.2020.
c) Sewage Treatment plant should also consider treatment and disposal of sewage of river catchment area settlement including discharge from toilets constructed under Swachh Bharat Mission
C & d. Guwahati development Department will ensure through GMC, the prevention of discharge from toilet and sewage to the four targeted river/beels (including toilets constructed under swatch Bharat Mission. Status report will be submitted by 06.02.2020.
Discharge of toilet and sewage to the targeted rivers is not allowed. A total of 4697 nos. of toilets has been constructed and geo tagged under Swatchh Bharat Mission.
d) To trap the discharge using strainers before falling into river.
e) Channelization including diversion of sewage generated from households to sewer lines/interception of al the drains presently carrying sewage and for using proper treatment through the upcoming STPs. Local administration should provide pucca latrines to all the households through Individual Household Latrines (IHHL) Scheme under Swatchh Bharat Mission.
Same as b.
f) Local administration should provide pucca latrines to all the households through Individual Households Latrine (IHHL) Scheme under Swatchh Bharat Mission
f. UDD will take necessary action and furnish a status report by 06.02.2020
Ground Water Assessment
a) Conducting survey regarding ground water using by category wise such as domestic, community, industries etc. and also identification of over exploited and critical blocks in the river stretches with respect to the ground water extraction.
PCBA/CGWA
Continuous A to e: PCBA and Central ground water Authority will take necessary action and furnish status report by 06.02.2020 GDD will inform the status of notification of revised building by laws and highlight provisions of rain water harvesting and anti pollution measures.
Provision for rain water harvesting has already been incorporated in a building by laws for Guwahati.
b) Carry out assessment of ground water survey in the catchment area of the identification polluted stretch once in a year to ensure quality
Flood Plain Zone
f) Prohibition of disposal of municipal, plastic, biomedical and other wastes in the polluted stretch of the river bank
Municipal Corporation
6 Months (February, 2020 to July, 2020
f. GDD (through GMC) and DM Kamrup m) will furnish action taken reprt by 06.02.2020
Disposal of municipal waste, plastic, bio medical wastes etc. in the river bodies are prohibited.
Solid Waste
a) Prohibition of direct disposal of solid waste in the river banks.
Guwahati Municipal Corporation
3 Months (November, 2019 to January, 2020)
A& b. GMC and WR deptt will furnish status report by 06.02.2020
Disposal of municipal waste, plastic, bio medical wastes etc. in the river banks are prohibited.
b) Frequent River Suface cleaning by removal of debris, plastics etc.
Guwahati Municipal Corporation has been cleaning the following water bodies regularly: 6. Bharalu River 7. Mora Bharalu 8. Bahini 9. Lakhimijan 10. Basistha Channel
The beels and pamohi channel are being cleaned by GMDA
Public Awareness
a) Awareness programs to highlight the issues related with the direct discharge of soild waste and open defecation
Guwahati Municipal Corporation
Continuous PCBA and GMC will take all steps necessary for awareness generation on open defecation, discharge of solid wastes and conservation of water. Status report may be submitted within 06.02.2020
The awareness generation on open defecation, discharge of solid waste is being done continuously. Recently GMC hold 31 awareness meting in 31 wards in this matter. Further the SHGs are being encouraged for a creation of awareness.
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(+ E-mail Dtd.. 12.02-202a From urban Development Departnrent
Sir,
With reference to the above, I would like to inform you that the Board has submitted herewiththe report as per format enclosed via email for [email protected] as directed.
This is for favour of your kind information.
Yours fiithfully,g^h",,
ManagE[g Director,Assam Urban Water Supply andSewerage Board, Guwahati:6.u
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Annexure IV
GOVERNMENT OF ASSAM GUWAHATI DEVELOPMENT DEPARTMENT
JANATA BHAWAN, 'D' BLOCK, 2ND FLOOR E-mail:- [email protected]
DISPUR. GUWAHATl-6.
URGENT
No. GDD.203/2019 /166 Dated, Dispur the 15th February, 2020
From :
To
Smti. Kavyashree Mahanta, ACS Joint Secretary to the Govt. of Assam. Guwahati Development Department.
1. The Commissioner, Guwahati Municipal Corporation, Panbazar, Guwahati-781001.
2. The Chief Executive Officer Guwahati Metropolitan Development Authority, Bhangagarh, Guwahati-5.
3. The Managing Director, Guwahati Smart City Ltd., 4th Floor, Aditya Tower, Opp. Down Town Hospital, Dispur.
Sub Action Taken Report on the actions to be taken by GMC as per discussion of the meeting regarding implementation of Action Plan for rejuvenation of polluted river stretches in compliance ofHon'ble NGT's order dated 29.11.2019 passed in OA No. 673/2018 held on 14.02.2020 at Finance Department, Dispur.
Sir, With reference to the subject cited above, I am directed to enclose herewith a copy of
the minutes of the meeting held on 04.02.2020 under the chairmanship of Commissioner & Secretary
to the Govt. of Assam, Env & Forest Deptt. and to take follw up action regarding the following points as
per the points in the minutes : 1. DPR preparation ofSTPs to be completed within 1 month. 2. Till construction of STPs, Bioremediation measures to be adopted and a project
report is to be prepared on it. Moreover, a consultancy is to be engaged for smooth
functioning of the same. 3. Preparation of Action Plan on Bharalu, Borsola and Silsaku river and the modality
should be as per Action Plan submitted by PCBC.
You are therefore, requested to prepare and submit an Action plan on the points relevant to
you for onward submission to Environment and Forest department, Dispur within one month.
Yours faithfully,
Joint Secretary to the Govt. of Assam, Guwahati Development Department.
Memo No. GDD.203/2019/166-A Dated, Dispur the 15th February, 2020
Copy to:- d, The Joint Secretary to the Govt. of Assam, Environment and Forest department. This has reference to the decisions taken in the subsequent meeting on 14.02.2020.
2. P.S. to Secretary to the Govt. of Assam, GDD for kind appraisal of the Secretary.
By order etc.,
Jo;otSecretacy~ , Guwahati Development Department.
List of Nodal Officers for implementation of action plan for polluted river stretches in Assam (Annexure – VI)
S.No Name of the Nodal Officer Department Designation Contact No. E mail ID
1 Shri Y. Suryanarayan Environment & Forest Department
Addl. PCCF & Chairman, PCBA
9435078867
2 Guwahati Municipal Corporation
3 Shri Rajendra Prasad Das Water Resource Department Secretary 9435198966
4 Public Health Engineering Department
5 Tourism Department
6 Shri Shantanoo Bhattacharyya
Public Works Department Superintending Engineer (Mechanical)
9957567647 Shantanoobhattacharyya @yahoo.com
7 Shri Dilip Kumar Das Revenue and Disaster Management Department
Secretary 9864036481
8 Guwahati Development Department
9 Shri Umananda Doley Urban Development Department
Secretary
10 Shri B. Ray RD, Central Ground Water Board, NER
Sr. Hydrogeologist
11 Omar Ali Badshah Soil Conservation Department Joint secretary 9365647653 [email protected]
12 Shri Mridul Dev Adhikary Pollution Control Board Assam
Sr. Environmental Scientist
9435143143 [email protected]
List of Polluted river Stretches in Assam based on January-November, 2019
Data
Priority Polluted Stretches
As per CPCB Report 2016 Revised list as per recent monitoring (PCBA Jan-Nov 2019)
Priority-I 3 5
Priority-II 1 NIL
Priority-III 4 NIL
Priority-IV 3 NIL
Priority-V 33 10
Less polluted
- -
Total 44 15
List enclosed along with data from Jan 2019 to Nov 2019
Note: In Brahmaputra River, there were 06 Nos. of sampling locations. Similarly Deepor Beel
has 02 sampling locations.
Polluted River Stretch wise Gap Analysis in Sewage Generation & Treatment
in Assam
Stretch : Bharalu River near Pragjyotish College (P-I)
ULB Numbers Sewage Generation
Sewage Treatment
Gap in Treatment
Capacity of Proposed STP
Municipal Corporation
1 70740 KLD NIL 70740 KLD 03 Nos. 15 MLD 25 MLD and 35 MLD
Municipal Council
Nagar Panchayat
Gram Panchayat
Total
Stretch : Borsola Beel (P-I)
ULB Numbers Sewage Generation
Sewage Treatment
Gap in Treatment
Capacity of Proposed STP
Municipal Corporation
1 13176 KLD NIL 13176 KLD 15 MLD
Municipal Council
Nagar Panchayat
Gram Panchayat
Total
Stretch : Silsako Beel (P-I)
ULB Numbers Sewage Generation
Sewage Treatment
Gap in Treatment
Capacity of Proposed STP
Municipal Corporation
1 42336 KLD NIL 42336 KLD 45 MLD
Municipal Council
Nagar Panchayat
Gram Panchayat
Total
Stretch : Sorusola Beel (P-II)
ULB Numbers Sewage Generation
Sewage Treatment
Gap in Treatment
Capacity of Proposed STP
Municipal Corporation
1 8640 KLD NIL 8640 KLD No STP is proposed. Installation of Mechanical aerator by using a combined system of low energy compressors and diffusers is proposed.
Municipal Council
Nagar Panchayat
Gram Panchayat
Total
Sl. No.
Polluted River Stretches (P-I to P-V)
BOD Value mg/l Priority
Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19
Nov-19
1 BHARALU RIVER AT GUWAHATI, ASSAM 18 38 48 54 54 76 44 42 50 50.2 54
I
2 BARAK AT PANCHAGRAM , ASSAM 1.6 2.0 2.4 2.1 2.0 1.8 2.0 2.2 2.3 2.1 2.1
Not Polluted
3 JHANJI AT N.H. CROSSING JORHAT, ASSAM 0.6 1.2 1.4 1.3 1.2 1.2 1.2 1.8 1.5 1.6 0.8
Not Polluted
4 DHANSIRI AT GOLAGHAT, ASSAM 1.7 3.0 2.2 2.2 2.3 1.4 2.8 1.8 2.4 2.1 2.1
Not Polluted
5 BHOGDOI RIVER AT JORHAT , ASSAM 2.2 1.3 2.0 1.7 1.1 2.0 1.4 1.9 1.5 1.4 1.8
Not Polluted
6 DIGBOI RIVER AT LAKHIPATHE, RESERVE FOREST, DIGBOI 5.2 3.2 2.9 2.8 2.1 3.8 2.8 2.6 2.5 2.4 2.5
V
7 MORA BHARALI AT TEZPUR, ASSAM 2.2 2.9 1.8 2.0 1.9 1.7 1.9 1.9 1.9 1.0 1.1
Not Polluted
8 DISANG RIVER AT DILLIGHAT, DIBRUGARH DIST., ASSAM 1.3 2.6 2.0 2.8 1.1 1.3 1.9 1.1 1.5 1.4 1.1
Not Polluted
9 KHARSANG BEFORE CONFLUENCE WITH BURIDIHING NEAR KHARSANG 2.4 1.3 2.0 2.3 2.1 2.1 2.1 1.4 2.0 1.8 1.8
Not Polluted
10 JAI BHARALI RIVER NEAR BISWANATH CHARALI, SONITPUR 2.4 2.8 2.8 1.5 1.4 1.1 1.6 2.5 1.5 2.1 1.6
Not Polluted
Sl. No.
Polluted River Stretches (P-I to P-V)
BOD Value mg/l Priority
Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19
Nov-19
11 PAGLDIA RIVER NEAR NALBARI TOWN, DIST. NALBARI, AS 2.2 2.7 1.8 2.9 2.2 1.8 1.2 1.4 1.3 1.2 1.5
Not Polluted
12 KOHORA RIVER AT N.H. CROSSING, KOHORA, ASSAM (BRAH 1.8 2.8 2.2 2.2 2.0 1.8 1.1 2.2 1.1 1.0 2.2
Not Polluted
13 BOGINADI NEAR BRIDGE NH-52, LAKHIMPUR, ASSAM 1.7 2.8 1.4 1.4 2.5 1.4 2.4 1.7 2.3 2.0 2.1
Not Polluted
14 RANGA NADI D/S OF HYDEL PROJECT, ASSAM 1.5 2.5 2.5 1.5 2.4 1.6 2.2 2.2 2.0 2.1 2.3
Not Polluted
15 PANCHNAI RIVER AT NH-52 CROSSING, ORANG, ASSAM 2.1 1.8 2.1 2.0 1.6 1.2 1.4 1.8 1.7 1.5 1.8
Not Polluted
16 KAPILI RIVER AT DHARMTUL BRIDGE, NH-31, NAGAON, AS 1.2 2.4 2.6 2.8 1.1 1.7 2.4 1.6 1.4 1.6 1.8
Not Polluted
17 KOLONG RIVER AT U/S OF ANANDARAM DEKIAL PHUKAN BRI 2.5 2.2 2.2 2.8 2.9 1.8 2.4 2.1 2.5 2.3 2.4
Not Polluted
18 BEKI RIVER AT NH-37 CROSSING AT BARPETA ROAD, ASSA 0.4 1.6 1.1 1.4 1.2 1.0 1.3 1.2 1.3 1.5 1.0
Not Polluted
19 SANKOSH RIVER, DHUBRI, ASSAM 0.8 1.0 1.4 1.8 1.8 1.4 1.6 1.6 1.5 1.4 1.6
Not Polluted
20 SONAI RIVER AT SONAI, ASSAM 2.0 1.6 2.2 2.3 2.4 2.0 2.0 2.2 2.1 2.3 2.1
Not Polluted
21 DIKRONG RIVER NEAR BRIDGE AT NH-52, BANDARDEWA 1.9 2.2 1.8 1.0 2.3 1.8 2.1 1.1 2.0 1.8 1.3
Not Polluted
22 BAROI RIVER, NEAR BRIDGE AT NH-52, BISWANATH DIST 1.3 2.7 2.3 1.7 2.1 1.7 2.4 2.1 2.2 2.1 2.1
Not Polluted
Sl. No.
Polluted River Stretches (P-I to P-V)
BOD Value mg/l Priority
Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19
Nov-19
23 GABHARU RIVER NEAR BRIDGE AT NH-52, NEAR TUMIUKI,
1.9 2.2 1.6 1.8 1.3 1.3 1.8 2.3 2.3 2.1 2.0 Not
Polluted
24 BEGA RIVER, MG ROAD, MANGALDOI
1.6 1.8 1.1 1.3 1.4 1.2 2.2 2.3 2.2 2.4 1.8 Not
Polluted
25 DIKHOW RIVER AT DIKHOMUKH CONFLUENCE WITH BRAHAMPUTRA 0.7 1.1 1.5 1.1 1.9 1.2 1.5 1.5 1.5 1.3 1.6
Not Polluted
26 KILLING RIVER IN MORIGAON DISTRICT
2.7 2.7 1.7 1.8 1.8 1.8 1.3 1.8 1.2 1.6 1.4 Not
Polluted
27 KULSI RIVER AT CHAYGAON NEAR NH37 CROSSING 1.3 2.2 2.2 2.2 1.6 1.9 2.2 1.4 1.5 1.6 1.2
Not Polluted
28 PUTHIMARI RIVER NEAR PUTHIMARI CHOWK AT NH CROSSING 2.9 2.1 1.6 1.7 2.6 2.0 1.9 1.1 1.5 1.6 1.5
Not Polluted
29 BURHIDIHING AT MARGHERITA, ASSAM 2.1 2.0 2.8 2.6 1.7 1.6 1.5 2.2 1.6 1.8 1.3
Not Polluted
30 BRAHAMPUTRA AT NIMATIGHAT, ASSAM 0.7 1.6 1.2 0.9 1.6 1.2 1.9 1.4 1.3 1.1 1.2
Not Polluted
31
BRAHMPUTRA RIVER AT DHENUKHAPAHAR, ASSAM 1.1 2.5 1.2 1.8 1.0 2.0 1.6 1.2 1.4 1.3 1.7
Not Polluted
32
BRAHMAPUTRA RIVER AT CHANDRAPUR, GUWAHATI, ASSAM 1.4 1.6 1.6 2.2 1.2 1.3 1.6 1.4 1.5 1.5 1.8
Not Polluted
33
BRAHMPUTRA RIVER AT SUALKUCHI, DIST. KAMRUP, ASSAM 2.1 2.1 2.0 2.0 2.4 2.0 1.1 1.6 1.3 1.4 1.8
Not Polluted
Sl. No.
Polluted River Stretches (P-I to P-V)
BOD Value mg/l Priority
Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19
Nov-19
34
BRAHMPUTRA RIVER NEAR WATER INTAKE POINT AT KACHARIGHAT 1.6 1.8 1.2 1.3 1.9 1.8 1.8 1.7 1.4 1.3 1.5
Not Polluted
35
BRAHAMPUTRA RIVER AT BOGIBEEL BRIDGE, BOGIBEEL 2.2 2.2 1.2 2.0 1.8 1.0 2.3 1.8 1.8 1.7 1.4
Not Polluted
36
DEEPAR BEEL AT BORAGAON NEAR IASST, GUWAHATI, ASSAM 2.6 4.6 4.2 4.6 4.2 3.8 3.5 3.2 3.1 3.1 3.2
V
37
DEEPAR BEEL, DHARAPUR CHARIALI, GUWAHATI 2.7 4.1 4.8 4.8 4.4 3.9 3.5 3.4 3.0 3.3 3.4
V
38 BOR BEEL AT JAKAI., ASSAM
4.1 4.5 4.0 1.3 2.6 2.0 2.4 2.1 2.5 2.3 2.1
V
39
TENGA PUKHURI AT TENGAPUKHURI 3.2 3.2 2.2 2.2 1.5 2.1 2.4 2.0 2.0 1.8 1.4
V
40
HOLUDUNGA BEEL NEAR GAI NADI/ RIVER AT SOMARAJAN, 1.5 3.6 2.9 2.8 2.5 2.0 2.3 1.9 1.9 2.0 1.8
V
41
BORDOIBAM BEELMUKH BIRD SANCTUARY, DHEMAJI 5.0 5.2 2.9 2.9 2.4 1.2 2.8 2.4 2.4 2.1 2.0
V
42
SAMAGURI BEEL IN NAGAON DISTRICT 1.2 1.3 1.8 2.8 2.5 1.8 1.1 2.0 1.3 1.5 1.6
Not Polluted
43
MALINI BEEL NEAR INDUTRIAL AREA AT RAMNAGAR 4.2 4.2 4.4 4.0 2.8 2.2 2.8 2.8 2.5 1.8 2.3
V
44 SON BEEL WATER AT KARIMGANJ
4.0 3.2 3.4 2.9 2.5 1.2 2.8 2.8 2.7 2.1 2.0
V
45 PARASHALI BEEL AT DEMORIA
1.8 5.0 4.4 1.5 2.4 1.6 1.9 2.7 2.4 2.1 2.0
V
Sl. No.
Polluted River Stretches (P-I to P-V)
BOD Value mg/l Priority
Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19
Nov-19
46 KAMALPUR BEEL, KAMALPUR
78.0 48.0 28.0 28.0 19.0 18.4 29.2 26.0 28.0 30.0 22.0
I
47
SILSAKO BEEL, CHACHAL, GUWAHATI 32.0 46.0 62.0 46.2 24.0 23.4 16.0 27.0 18.0 17.2 18.0
I
48
SORU SOLA BEEL, PALTAN BAZAR, GUWAHATI 34.0 22.0 20.2 18.5 14.0 16.2 26.0 26.0 34.0 30.0 26.2
I
49
BORSOLA BEEL, SARABBHATTI, GUWAHATI 34.0 16.0 22.1 20.1 20.0 19.3 28.0 28.0 32.0 28.0 28.0
I
50
DIPLAI BEEL AT SILGARA, KOKRAJHAR 1.0 1.6 2.9 2.9 1.6 1.8 2.1 2.2 2.0 2.0 1.7
Not Polluted
CATEGORY WISE GROUND WATER USES
DYNAMIC GROUND WATER RESOURCE OF KAMRUP URBAN AREA
Ground Water Extraction (in ham) Annual extractable Ground
Water Resource
(in ham)
Net Annual G.W.
availability for
future use (in
ham)
Stage of GW
Extraction (in %)
Quantity
Categorization for
Future GW
Development
(Safe/Semi-
Critical/Critical/Over
Exploited)
Industrial Domestic Irrigation Total
1224.00 1758.74 0 2982.74 6578.93 3572.69 45.34 Safe
Source: CGWB, NER, Guwahati
A meeting of State Level Committee for reconciliation of Dynamic Ground Water Resources of Assam was convened on
18.02.2019 at Office Chamber of the Secretary, Irrigation Department, Assam Secretariat, Dispur, Assam. After thorough discussion all the
members of the State Level committee agreed and accepted upon the figures in the draft report of Dynamic Ground Water Resources as
assessed for the state of Assam including Kamrup Urban area (as on 31st March, 2017).
Sl
No.
NAME OF THE UNIT ADDRESS OF THE UNIT e mail id
1 Guwahati Refinery P.O. : Noonmati, Guwahati,
Assam 781020
2 Diesel Shed New Guwahati, Bamunimaidan,
Guwahati, Assam 781021
3 Guwahati Medical
College Hospital
Bhangagarh, Guwahati-5. [email protected]
4 Kiranshree SC Goswami Rd, Athgaon,
Guwahati, Assam 781001
5 Monsoon Polymers
Private Limited
CITI Complex, Kalapahar
Industrial Area, Guwahati-16.
6 Assam Dyeing Works Cycle Factory Road, Fatashil
Ambari, Guwahati-25.
7 Panacea Clinical &
Laboratory
Bhangagarh, Guwahati-5. [email protected]
8 Hotel Asian Palace Guwahati Shillong Road, Lachit
Nagar, Guwahati, Assam
7810079 Sanjay Products Fatashil Bazar, Guwahati-9. [email protected]
10 Institute Of Human
Reproduction,
(Goenka Nursing
Home)
Bharalumukh, Guwahati-9. [email protected]
11 Kumar Nursing
Home(A unit of Shrithi
Foundation)
KRC Road,Kumarpara,
Guwahati-9.
12 Rapid Diagnostic
Centre
Sarab Bhati, Ghy-8. [email protected]
13 Raja Restaurant GS Rd, Paltan Bazaar,
Guwahati, Assam 781008
14 Makhan Bhog Royal Centre, Ground, GS Rd,
Opposite Deorah College,
Ulubari, Guwahati, Assam
781007
15 Woodland Marriage
Hall
Dr. B.K. Kakati Road, Ulubari,
Guwahati-7, Kamrup (M)
16 Assam Plywood
(Signature Estate)
61, B.K Kakati
Road,Ulubari,Guwahati-07
17 RK Life Services Pvt.
Ltd. Apollo Clinic
Bora Service, G.S. Road,
Kanchan Road, Ghy-7.
18 Nemcare Hospital GMCH Road, Guwahati-5. [email protected]
LIST OF INDUSTRIES IN BHARALU RIVER
19 Nemcare Hospital Pvt
Ltd
GMCH Road, Guwahati-5. [email protected]
20 Pulse Diagnostic
Center
Bhangagarh,G.S.Road,
Guwahati-5.
21 Primus Diagnostic
Centre
Bhangagarh,G.S.Road,
Guwahati-5.
22 Alcare Diagnostic
Centre
Rajgarh Road, Bhangagarh,
Guwahati-5
23 Orthodontic Centre Prag Plaza Complex,
Bhangagarh, Guwahati-05.
24 Health Care
Diagnostic Centre
Prag Plaza
Complex,Bhangagarh,
Guwahati-05.
25 Aruna Memorial
Hospital Pvt. Ltd.
Rajgarh Road, Bhangagarh,
Guwahati-5.
26 Apex Diagnostic
Centre
Bhangagarh, GMCH Road,
Guwahati-5
27 Bids, KN Baruah Rudraksh Mall, Bhangagarh,
Guwahati-5.
28 Midland Hospital Shreenager,R.G.Baruah Road,
Guwahati-05.
29 KAMRUP ICE &
COLD STORAGE
COMPANY(Exotica
Green)
191,R.G. Baruah Road,
Guwahati-05
30 Hariyana Charitable
Trust
R .K.S. Chowdhury , Narayan
Nagar, Bharalumukh, Guwahati,
Assam, 781009
31 East India
Hematological
Research Institute
Rudraksh Mall, Near
Bigbazar,Bhangagarh, G.S.
Road,Guwahati-5.
Sl
No.
NAME OF THE
UNIT
ADDRESS OF THE UNIT e mail id
1 Marwari
Hospitals(Aunit of
Shree Marwari
Databya
Aushadhalaya)
Sati Jaimati Road,Athgaon, [email protected]
2 Satribari Christian
Hospital
Athgaon, Guwahati-8. [email protected]
3 Lions Eye
Hospital
K.C. Chaudhury Path Near K.C.
Das Commerce College,
Chatribari, Guwahati, Assam
781001
4 Arya Hospital A.M. Road, Opp. Apsara Cinema,
Rehabari, Guwahati - 781008
5 Hotel Atithi 7, AK Azad Rd, Opp. Nepali
Mandir, Manipuri Rajbari, Paltan
Bazaar, Guwahati, Assam
781008
6 Hotel Rains Inn Solapara Rd, Opposite Capital
Tours & Travels, Paltan Bazaar,
Guwahati, Assam 781008
7 Hotel Fame city Guwahati-Shillong Road Paltan
Bazaar, Manipuri Rajbari,
Guwahati, Assam 781008
m
8 Hotel Nandan GS Rd, Manipuri Rajbari, Paltan
Bazaar, Guwahati, Assam
781008
9 Hotel Mahalaxmi GS Rd, Manipuri Rajbari, Paltan
Bazaar, Guwahati, Assam
781008
10 Hotel Kiranshree
Portico
Manipuri E Rd, Paltan Bazaar,
Guwahati, Assam 781008
11 Hotel Sagar Nepali Mandir Point, MD Shah
Rd, PWD Colony, Paltan Bazaar,
Guwahati, Assam 781008
12 Hotel Rajmahal Assam Trunk Rd, Guwahati,
Assam 781001
13 Hotel Vishwaratna A. T. Road, Tokobari Rd, Opp,
Fancy Bazaar, Guwahati, Assam
781001
14 Hotel Trimurty
International
Network Travels, GS Rd,
Manipuri Rajbari, Paltan Bazaar,
Guwahati, Assam 781008
LIST OF INDUSTRIES IN BORSOLA WETLAND
15 Hotel Darbar 2nd & 3rd Floor, AK Azad Rd,
opposite Nepali Mandir, Manipuri
Rajbari, Paltan Bazaar, Guwahati,
Assam 781008
16 Hotel Biswanath M.E Road, Paltan Bazaar,
Guwahati, Assam 781008
17 Hotel Geetanjali GS Road,Paltan Bazar, opp- V2
Shopping Mall Guwahati India
781008
18 Hotel Azolla Guwahati Shillong Rd, Paltan
Bazaar, Guwahati, Assam
781008
19 Hotel Prince K C Sen Road, Paltan Bazar,
Guwahati
20 Hotel Maharaja GS Rd, Paltan Bazaar, Guwahati,
Assam 781008
Sl
No.
NAME OF THE
UNIT
ADDRESS OF THE UNIT e mail id
1 Marwari
Hospitals(Aunit of
Shree Marwari
Databya
Aushadhalaya)
Sati Jaimati Road,Athgaon, [email protected]
2 Satribari Christian
Hospital
Athgaon, Guwahati-8. [email protected]
3 Lions Eye Hospital K.C. Chaudhury Path Near K.C.
Das Commerce College,
Chatribari, Guwahati, Assam
4 Arya Hospital A.M. Road, Opp. Apsara Cinema,
Rehabari, Guwahati - 781008
5 Hotel Atithi 7, AK Azad Rd, Opp. Nepali
Mandir, Manipuri Rajbari, Paltan
Bazaar, Guwahati, Assam 781008
6 Hotel Rains Inn Solapara Rd, Opposite Capital
Tours & Travels, Paltan Bazaar,
Guwahati, Assam 781008
7 Hotel Fame city Guwahati-Shillong Road Paltan
Bazaar, Manipuri Rajbari,
Guwahati, Assam [email protected]
8 Hotel Nandan GS Rd, Manipuri Rajbari, Paltan
Bazaar, Guwahati, Assam 781008 [email protected]
9 Hotel Mahalaxmi GS Rd, Manipuri Rajbari, Paltan
Bazaar, Guwahati, Assam 781008 [email protected]
10 Hotel Kiranshree
Portico
Manipuri E Rd, Paltan Bazaar,
Guwahati, Assam 781008 [email protected]
11 Hotel Sagar Nepali Mandir Point, MD Shah Rd,
PWD Colony, Paltan Bazaar,
12 Hotel Rajmahal Assam Trunk Rd, Guwahati,
Assam 781001 [email protected]
13 Hotel Vishwaratna A. T. Road, Tokobari Rd, Opp,
Fancy Bazaar, Guwahati, Assam
14 Hotel Trimurty
International
Network Travels, GS Rd, Manipuri
Rajbari, Paltan Bazaar, Guwahati,
Assam 78100815 Hotel Darbar 2nd & 3rd Floor, AK Azad Rd,
opposite Nepali Mandir, Manipuri
Rajbari, Paltan Bazaar, Guwahati, 16 Hotel Biswanath M.E Road, Paltan Bazaar,
Guwahati, Assam 781008
17 Hotel Geetanjali GS Road,Paltan Bazar, opp- V2
Shopping Mall Guwahati India
78100818 Hotel Azolla Guwahati Shillong Rd, Paltan
Bazaar, Guwahati, Assam 781008
19 Hotel Prince K C Sen Road, Paltan Bazar,
Guwahati20 Hotel Maharaja GS Rd, Paltan Bazaar, Guwahati,
Assam 781008
LIST OF INDUSTRIES IN SORUSOLA WETLAND
Sl
No.
NAME OF THE
UNIT
ADDRESS OF THE UNIT e mail id
1 Hotel Ginger IHM Campus VIP Road Borbari,
Upper, Hengrabari, Guwahati,
Assam 781036
LIST OF INDUSTRIES IN SILSAKO WETLAND
