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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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Community Engagement

Clean Water Nashville Overflow Abatement Program (CWNOAP) team leaders shared plans for renewing wastewater system infrastructure in North Nashville with over 150 area residents gathered for a February 27 community meeting hosted by Metro Council District 3 representative Brenda Haywood.

District 3, which includes Whites Creek, is one of Nashville’s largest geographic districts. Residents were briefed on current and planned wastewater projects in District3 that include the following:

  • The Annual Rehabilitation FY2014 – Whites Creek Trunk project is currently under construction and consists of rehabilitating approximately 55,800 linear feet of gravity sewer, manholes, and service laterals within the public rights-of-way. This project renews aged infrastructure and addresses downstream overflows by limiting groundwater infiltration.

  • The Brick Church Pike Pipe Improvements project consists of replacing approximately 9,800 linear feet of gravity sewer pipe with larger diameter sewer pipe. Construction is expected to begin in summer 2016 and is scheduled for completion in 2018.

  • The Ewing Creek/Brick Church Equalization Facility consists of constructing a 10.6 million gallon storage tank and an 18 million gallons per day pumping station. The new facility will provide the necessary capacity to eliminate sanitary sewer overflows. Currently in design, the project is scheduled for construction starting in 2017.

The CWNOAP recently completed the Westchester Drive Rehabilitation project, which involved rehabilitating 3,850 feet of sewer pipe along and crossing the North Fork of Ewing Creek, a tributary to Whites Creek. Cracked pipes and other defects within the system that had previously allowed ground water infiltration into the system were repaired.

Community engagement and public information is an ongoing priority of the CWNOAP. Project team leaders work closely with Metro Council representatives on a regular basis to provide residents with information about the purpose, impacts, and work schedules of upcoming projects.