Cleanwater Nashville

Metro Water Services

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Additional updates

Washington CSO Control Facility goes online

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

Washington CSO Control Facility goes onlineA major combined sewer facility providing optimization for wet weather storage, screening and control of floatables and solids went online in April of this year. In addition to providing treatment, the facility dramatically reduces the number of overflows at the Washington outfall, and reduces the volume of overflows by approximately 90 percent annually.

Constructed at a cost of approximately $17 million, it was operationally complete in time to meet the Consent Decree milestone.
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Update on the Metro Nashville Consent Decree Program

Date added: 11-Aug-2015 09:34 AM

Update on the Metro Nashville Consent Decree ProgramOn August 6, 2012, Scott Potter and Ron Taylor of Metro Water Services provided an update on the Clean Water Nashville Overflow Abatement Program program to the Metro Council. This presentation addressed the status of the Consent Decree and planned projects included in the Long Term Control Plan for Metro Nashville Combined Sewer Overflows (Long Term Control Plan update) and the Corrective Action Plan/Engineering Report.Click here to download a copy of the presentation.
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Service lines connect citizens to public sewer system

THE CLEAN WATER NASHVILLE PROGRAM is constructing sewer rehabilitation projects to renew sewer infrastructure and reduce overflows that may lead to water quality impairments. These sewer rehabilitation projects are located throughout the county, including large projects currently under construction in Council Districts 2, 5, 7, 8 and 29.

Rehabilitation projects focus on repairing sewers that are within Metro’s rights-of-way or easements, repairing sewers buried under streets or alleys, located along creeks or streams, and in some cases, traversing along a property boundary. This work typically includes rehabilitation of a portion of private service lines also known as service laterals.

The service line is an underground pipe that conveys wastewater from a building, including residences, to the public sewer main. Depending on the location of the service lateral and its condition, the rehabilitation work may consist of digging and replacing the pipe or installing a liner to provide structural support and effectively seal the pipe.

In most cases, a cleanout will also be installed near the boundary between the private property and Metro’s rights-of-way or easements. A cleanout is a vertical pipe that extends from the service line to the ground surface to provide access to the service line for cleaning, inspection and maintenance.

Cleanouts are typically constructed of PVC pipe and installed in a utility box near the property boundary.

According to Metro ordinances, the property owner owns and is responsible for maintaining the service line from the building to the public sewer main. If property owners experience any issue with current CWN repair work related to their service line, they should call Metro Water Services at (615) 862-4600.

To date, the Clean Water Nashville Program has repaired approximately 6,500 service laterals, and the work is just getting started. Over the long haul, discovery and repair of damaged service lines within Metro’s rights-of-way or easements will number in the tens of thousands. Eliminating thousands of small leaks will add up to deliver big results when it comes to achieving system renewal and overall water quality improvement.