water quality of black hawk creek and an agricultural run-off
DESCRIPTION
Water Quality of Black Hawk Creek and an Agricultural Run-Off . Chris Britt and Aminul Haque. GROUP-02. Study Area. Site Description . Agricultural Run-off. Black Hawk Creek. Continued…. Continued…. Agricultural Run-off. Black Hawk Creek. Objectives . Conduct Group P roject. - PowerPoint PPT PresentationTRANSCRIPT
Water Quality of Black Hawk Creek and an
Agricultural Run-Off
CHRIS BRITT and AMINUL HAQUE
GROUP-02
Study Area
Site Description
Blac
k Ha
wk
Cree
k
Agricultural Run-off
Continued…..
Continued…..
Black Hawk Creek
Agricultural Run-off
Objectives CONDUCT GROUP PROJECT WATER QUALITY ANALYSIS OF BLACK HAWK CREEK VARIATION OF WATER QUALITY OVER TIME CONTRIBUTION OF AGRICULTURAL RUN-OFF INTO
BLACK HAWK CREEK DETERMINATION OF WATER QUALITY INDEX
(WQI)
Field MethodsInstrument Used in Field
Field MethodsOn Site Measurement
Lab Methods
Lab Methods
Water Quality
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
2
4
6
8
10
12
14
16
18
20Dissolved Oxygen
Site-1
Site-2
Site-3
Septembe-November
DO in
mg/
L
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
2
4
6
8
10Biochemical Oxygen Demand
Site-1
Site-2
Site-3
Septembe-November
BOD
in m
g/L
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
2
4
6
8
10
12
14
16
18
20Temparature
Site-1Site-2Site-3
Septembe-November
Tem
para
ture
in º
C
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
5
10
15
20
25
30
35 Turbidity
Site-1Site-2Site-3
Septembe-November
Turb
idity
in N
TU
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
5
10
15
20
25 Total Suspended Sediments
Site-1
Site-2
Site-3
Septembe-November
TSS
in m
g/L
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
100
200
300
400
500
600
700
800
900
1000 Total Dissolved Solids
Site-1
Site-2
Site-3
Septembe-November
TDS
in m
g/L
Water Quality
Water Quality
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
5
10
15
20
25
30 Nitrate
Site-1Site-2Site-3
Septembe-November
Nitr
ate
in m
g/L
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
100
200
300
400
500
600
700
800
900
1000Escherichia-Coli
Site-1
Site-2
Site-3
Septembe-November
E-Co
li in
cfu
/100
ml
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
2
4
6
8
10Biochemical Oxygen Demand
Site-1
Site-2
Site-3
Septembe-November
BOD
in m
g/L
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
20
40
60
80
100
120
140
160
180
200Chloride
Site-1Site-2Site-3
Septembe-November
Chlo
ride
in m
g/L
Water Quality
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
100
200
300
400
500
600
700
800
900
1000 Total Dissolved Solids
Site-1
Site-2
Site-3
Septembe-November
TDS
in m
g/L
Week-1 Week-2 Week-3 Week-4 Week-5 Week-60
5
10
15
20
25
30 Nitrate
Site-1Site-2Site-3
Septembe-November
Nitr
ate
in m
g/L
Water Quality Index
50
70
90
Site-2 Site-2 Site-2 Site-2 Site-2 Site-2
Water Quality Index
Site-1
Site-2
Site-3
Septembe-November
Medium
Excellent
Good
Contribution of Ag. Run-off
BOD concentration increases after rain.High E-coli concentrationHigh TDSChloride and Sulfate
Conclusion Dissolved Oxygen Concentration is good for
Aquatic life.BOD increases after rain.TSS varies over time.High E-coli concentration due to rain and
construction work.Agricultural run-off contributes chloride and
Sulfate.Overall WQI is Good.
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