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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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Mayor Barry visits sewer rehabilitation project

Date added: 25-Jul-2016 07:34 AM

Mayor Barry visits sewer rehabilitation projectMayor Megan Barry recently visited Clean Water Nashville’s 28th Avenue Rehabilitation – Area 1 project site to learn more about how Nashville’s aging sewer infrastructure is being renewed. As pictured, B.J. Kersteins of Insituform Technologies, Inc. (the construction contractor for this work) shows Mayor Barry a cured-in-place pipe liner. The pipe liner is inserted in the sewer to renew the system without excavating streets. Repairing sewers in this way extends the life of the system and addresses downstream overflows by reducing the amount of rainwater that infiltrates the system.
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Plans for CWWTP Expansion

Metro Water Services is advancing plans for a major expansion of the Central Wastewater Treatment Plant (CWWTP). The plant was originally constructed in 1958 and has been expanded several times through the years to address environmental quality standards and to meet demands of Nashville’s growth.

The CWWTP Capacity Improvements and Combined Sewer Overflow Reduction Project is one of the largest projects in the Clean Water Nashville Overflow Abatement Program. The goal is to make improvements that reduce overflows from both the separate and combined sewer systems to enhance water quality in the Cumberland River and its tributaries.

In addition to improving the operation of the CWWTP, the planned expansion will reduce the overflow frequency and volume from the Kerrigan combined sewer overflow by increasing both the wet weather treatment capacity of the CWWTP as well as the overall capacity of the plant’s Central Pumping Station (CPS). The project will consist of improvements to existing wastewater treatment process units throughout the CWWTP, which will reduce energy consumption, enhance disinfection, and allow for on-site equalization storage.

The CWWTP is located north of downtown, near Germantown and Salemtown, in Council District 19. Design of this large project is ongoing, with initial construction activities beginning in the fall.