Sewer System

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The Brentwood Sewer System is collection-only, meaning Brentwood does not treat its own wastewater.   Instead, the City contracts with Metro Nashville for treatment through an agreement that runs until 2024.

The Brentwood system consists of 293 miles of sewer pipe ranging from 1-1/4" low pressure force mains to 30" gravity sewer, 11 pump stations, 5,575 manholes.  The system is divided into two major basins, the Little Harpeth River Basin, and the Owl Creek Basin with multiple interconnections to Metro/Nashville.  These two primary connections have a contracted capacity of the former is 9.5 million gallons per day (MGD) and the latter is 2.5 MGD.  Other connections do not have stated capacities.    

picture of the sewer basin map layout


Within the City of Brentwood, the water and sewer utilities are usually serviced by the City.  In some cases, neighboring utility companies may provide a part or all the service.  Neighboring utility companies include: Harpeth Valley (615-776-2511), Mallory Valley (615-628-0237), Franklin (615-794-4572), Metro (615-862-4600), and Nolensville / College Grove Utility Company (615-776-2511).  For more information, contact Brentwood's billing department at 615-661-7061 or see below for an interactive service area map.

Grinder Pump Systems Information

Sewer Rehabilitation Program Information

Sewer System Capacity Information