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Clean Water Nashville Program 5-year Update

Date added: 23-Feb-2017 01:47 PM

Clean Water Nashville Program 5-year UpdateNow in its sixth year, the Clean Water Nashville Program has achieved considerable advancement for both environmental compliance and overall system improvements across Davidson County. Program highlights include:
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Conveyance Improvements Underway

Date added: 03-Jan-2017 12:53 PM

Conveyance Improvements UnderwayThe Brick Church Pike Pipe Improvements project illustrates the sometimes demanding challenges that are encountered as Clean Water Nashville Overflow Abatement Program (CWNOAP) renews and enlarges Davidson County’s sewer system.
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Lakewood water, wastewater modernization complete

Date added: 24-Aug-2016 09:18 AM

Lakewood water, wastewater modernization completeThe large-scale project, which began in January 2014, modernizes water and wastewater systems throughout residential and commercial areas in District 11.
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Cured-in-place pipe lining seals the deal

Date added: 24-Aug-2016 09:19 AM

Cured-in-place pipe lining seals the dealCured-in-place pipe (CIPP) lining is one of several sewer rehabilitation methods used to repair leaking or structurally unsound existing pipelines. Little to no digging is involved in this trenchless process, making for a more cost-effective, environmentally friendly process that is completed more quickly and with fewer impacts and disruptions than pipe replacement.
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Clean Water Nashville OAP begins project work

The Clean Water Nashville Overflow Abatement Program initiated construction on the following major projects in the second quarter of 2012:

  • Expansion of storage capacity at the MWS Driftwood CSO Equalization Facility on Driftwood Street. The facility will be expanded to provide an additional 3 million gallons of storage at the site to reduce combined sewer overflowscombined sewer system conveys both sanitary sewage and stormwater in one piping system. During normal dry weather conditions, sanitary wastewater collected in the combined sewer system is diverted to the wastewater treatment plant before it enters natural waterways. During periods of significant rainfall, the capacity of a combined sewer may be exceeded. When this occurs, excess flow, a mixture of stormwater and sanitary wastewater, is discharged at CSO points, typically to rivers and streams. Release of this excess flow is necessary to prevent flooding in homes, basements, businesses, and streets. into the Cumberland River. The project began in June and will be completed in the first quarter of 2013.
  • Expansion and other improvements to the Dodson Chapel Pumping Station and Equalization Facility, located on MWS property on Panama Drive, including construction of a new storage tank and dry weather pump station, and modification of existing equipment.