Mapleturn Utilities, Mapleturn Utilities, Inc.Inc.Wastewater TreatmentWastewater Treatment

A Lesson, Some History A Lesson, Some History andand

The Facility UpdateThe Facility Update

Annual Meeting

June 10, 2008

Basic Wastewater Treatment Basic Wastewater Treatment ProcessesProcesses

In nature, bacteria and other smallIn nature, bacteria and other smallorganisms in water consume organisms in water consume

organic waste.organic waste.

An example of this would be a An example of this would be a WetlandWetland

Basic Wastewater Treatment Basic Wastewater Treatment ProcessesProcesses

In the 1920s, scientists observed thatIn the 1920s, scientists observed thatthese bacteria could be contained, in athese bacteria could be contained, in avessel, and with the addition of oxygen tovessel, and with the addition of oxygen tothe wastewater, masses of the wastewater, masses of microorganisms grew and microorganisms grew and rapidly metabolized rapidly metabolized organic pollutants.organic pollutants.

Our Current Wastewater Our Current Wastewater FacilityFacility

Wastewater Facility HistoryWastewater Facility History• Steel Wastewater Plant Steel Wastewater Plant

Purchased ”Purchased ”USEDUSED” by ” by Summit City Summit City approximately 1982.approximately 1982.

• Mapleturn Utilities Mapleturn Utilities purchased Summit purchased Summit City in 1987.City in 1987.

• The facility had an The facility had an originally anticipated originally anticipated lifespan of 20 to 30 lifespan of 20 to 30 years when it was years when it was purchased “NEW”…purchased “NEW”…

WHEN WILL IT FAIL?WHEN WILL IT FAIL?

Wastewater Facility - TourWastewater Facility - Tour• Originally set up as (2) Originally set up as (2)

Extended Aeration systems, Extended Aeration systems, capable of processing capable of processing 75,000 gallons of waste per 75,000 gallons of waste per day.day.

• By redesigning the piping By redesigning the piping layout, the system was layout, the system was changed over to a Contact changed over to a Contact Stabilization process in Stabilization process in 1986. This change increased 1986. This change increased the processing capabilities the processing capabilities to 150,000 gallons per day.to 150,000 gallons per day.

Wastewater Facility - TourWastewater Facility - Tour

• Routine maintenance, Routine maintenance, including sandblasting including sandblasting and the application of rust and the application of rust inhibiting paint have been inhibiting paint have been performed over the years.performed over the years.

• Time, weather and the Time, weather and the actual treatment of wastes actual treatment of wastes has taken a toll on the has taken a toll on the facility.facility.

• Many portions of the Many portions of the facility have corroded facility have corroded beyond repair and may beyond repair and may pose a pose a safety hazardsafety hazard..

Wastewater Facility – Tour Wastewater Facility – Tour

Options & ConsequencesOptions & Consequences1.1. Do Nothing other than Continual Routine MaintenanceDo Nothing other than Continual Routine Maintenance..

– Eventually the current wastewater treatment facility will fail.Eventually the current wastewater treatment facility will fail.

– Whether the failure occurs in 2 years or 5 years or 10 years, it will fail.Whether the failure occurs in 2 years or 5 years or 10 years, it will fail.

– When the facility fails, untreated waste would flow into the White River. When the facility fails, untreated waste would flow into the White River. The consequences of this could be catastrophic…these potentially include The consequences of this could be catastrophic…these potentially include a fish kill, thousands of dollars in fines, the clean up costs associated with a fish kill, thousands of dollars in fines, the clean up costs associated with the spill, and the possibility of a shut down of the facility by the EPA.the spill, and the possibility of a shut down of the facility by the EPA.

Options & ConsequencesOptions & Consequences

2.2. Design, Purchase and Build a New Design, Purchase and Build a New Wastewater Treatment PlantWastewater Treatment Plant..

– Mapleturn has been working with The Schneider Mapleturn has been working with The Schneider Corporation for the past year to come up with Corporation for the past year to come up with the best and most cost effective solution. the best and most cost effective solution.

– The Preliminary Engineering Study is about 80% The Preliminary Engineering Study is about 80%

complete and the types of treatment facilities complete and the types of treatment facilities

being considered have been narrowed down to being considered have been narrowed down to

2 or 3.2 or 3.

Facility Types for ConsiderationFacility Types for Consideration

• Both the Sanitaire and Both the Sanitaire and AeroMod systems are AeroMod systems are Physical types of treatment Physical types of treatment plants. They work similar to plants. They work similar to the process that Mapleturn the process that Mapleturn is currently using.is currently using.

• A Constructed Wetland is A Constructed Wetland is Old Technology – that has Old Technology – that has made a comeback as it is made a comeback as it is environmentally friendly. environmentally friendly. This is an example of a This is an example of a Biological treatment Biological treatment process.process.

SanitaireSequencing Batch Reactor

AeroModSteel &Concrete

ConstructedWetlands

What is a Constructed WetlandWhat is a Constructed Wetland

• Natural wetlands act as bio-Natural wetlands act as bio-filters, removing sediments filters, removing sediments and pollutants from the and pollutants from the water. water.

• Constructed wetlands, Constructed wetlands, which are man-made, which are man-made, emulate these features. They emulate these features. They are capable of treating are capable of treating discharge from storm water discharge from storm water runoff and wastewater runoff and wastewater facilities. facilities.

• A constructed wetland A constructed wetland would also create habitat for would also create habitat for wildlifewildlife..

Newly Planted Constructed Wetland

The same constructed wetland two years later

Pros & Cons – Physical Pros & Cons – Physical Treatment Treatment

CONSCONS

• Ongoing Equipment Ongoing Equipment Maintenance Maintenance RequirementsRequirements

• Ongoing Operational Ongoing Operational RequirementsRequirements

• Rigid Testing and Rigid Testing and Reporting RequirementsReporting Requirements

PROSPROS

• Traditional Treatment Traditional Treatment ProcessProcess

• Small Site RequirementsSmall Site Requirements

• Similar Approach to the Similar Approach to the Existing SystemExisting System

• Handling of Surge Flow Handling of Surge Flow (during rain events) is Not (during rain events) is Not an Issuean Issue

Pros & Cons – Constructed Pros & Cons – Constructed Wetland Wetland

CONSCONS• Traditionally small facilities, Traditionally small facilities,

Mapleturn would be several Mapleturn would be several times larger than any times larger than any previously approved system previously approved system in Indiana.in Indiana.

• Require Large Site AreaRequire Large Site Area

• Surge Flows can be a Surge Flows can be a Challenge for Treatment Challenge for Treatment Effectiveness.Effectiveness.

• Not well suited for Floodplain Not well suited for Floodplain Areas or Areas Susceptible Areas or Areas Susceptible to High Ground Water.to High Ground Water.

PROSPROS• Natural SystemNatural System

• Reduced Permitting Reduced Permitting RequirementsRequirements

• Reduced Power and Reduced Power and Similar Operational Similar Operational ExpensesExpenses

• Reduced Testing and Reduced Testing and Reporting RequirementsReporting Requirements

• Pleasing AestheticsPleasing Aesthetics

Performance MethodologyPerformance Methodology

• In keeping with the Mapleturn management In keeping with the Mapleturn management philosophy of cost efficiency; any portion of philosophy of cost efficiency; any portion of the current facility that can be rehabilitated, the current facility that can be rehabilitated, will be rehabilitated.will be rehabilitated.

• Every effort to utilize local building Every effort to utilize local building materials will be made.materials will be made.

• In-house manpower will be used where In-house manpower will be used where possible to help reduce the project costs.possible to help reduce the project costs.

Community InvolvementCommunity Involvement

• If you would like a personal tour of the If you would like a personal tour of the treatment facility, please sign up in the treatment facility, please sign up in the office.office.

• Sign up to receive email alerts on the Sign up to receive email alerts on the

project status.project status.

• Visit Visit www.mapleturn.orgwww.mapleturn.org for future for future

updates.updates.

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