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Whites Creek project results in water quality improvement

Date added: 11-Aug-2015 09:35 AM

Whites Creek project results in water quality improvementThe Tennessee Department of Environment and Conservation (TDEC) and Metro Water Services (MWS) lifted a longstanding ‘water contact advisory’ for a 2.9-mile section of Whites Creek, a sign of improved water quality for Whites Creek and the Cumberland River.
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Dodson Chapel Project wins construction awards

Date added: 11-Aug-2015 09:31 AM

Dodson Chapel Project wins construction awardsDodson Chapel Pumping Station and Equalization Facility are the subject of two major construction industry awards.
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Cockrill Springs is ‘new’ feature of Centennial Park

Date added: 11-Aug-2015 09:28 AM

Cockrill Springs is ‘new’ feature of Centennial ParkA plan to “daylight” the historic Cockrill Spring at Centennial Park will provide a dramatic new natural feature at the park’s West End Avenue entrance while also producing water quality improvements on the campus.

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CWN infrastructure renewal projects on the rise

Date added: 11-Aug-2015 09:30 AM

CWN infrastructure renewal projects on the rise Shelby Park Rehabilitation and Cowan/Riverside Rehabilitation – began the comprehensive system renewal in vast areas of East and North Nashville. The projects will rehabilitate defective, 1960s-era sewer system pipes and service connections across many square miles of residential and commercial neighborhoods. Improving sewer system performance in these basins will reduce wet weather, sanitary sewer overflows into the Cumberland River.

Annual Rehabilitation FY2013 is a countywide project that will soon start construction to rehabilitate approximately 150 segments of isolated, defective gravity sewer lines and repair service connections.
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Driftwood Equalization Facility modifications completed, doubling facility's capacity

The Driftwood Equalization Facility, located on the eastern edge of downtown Nashville, off of Hermitage Avenue on Visco Drive, has been modified to store an additional 3.2 million gallons of combined sewage during peak rain events. This project is a means of reducing or eliminating wet weather overflows during major rain events.

By raising the concrete walls at Driftwood’s open storage facility and installing six new weir gates, CWN has doubled water detention capacity to almost 7 million gallons.

The added capacity is a significant achievement for Cumberland River water quality. Before expansion, the facility experienced an average of six combined sewer overflows (CSOs) into the Cumberland each year. The newly expanded facility is now large enough that hydraulic models project zero CSOs in a typical rainfall year. With the improvement to Driftwood and the recent elimination of CSO discharge locations at Broadway and Van Buren, Nashville has substantially reduced overflows into the Cumberland.