In early 2015, the City of Brentwood completed a comprehensive sewer system hydrolic model that provides a greatly improved ability to forecast the impact of future system improvements, as well as the impact of growth and redevelopment.
In April 2015, the City engaged the Hazen & Sawyer engineering firm of Nashville to develop a Sewer System Master Plan. The Master Plan will provide short term and long term plans for maintenance and development of Brentwood's wastewater collection system. It will assure rate payer funds are used in a cost-effective manner to maximize and reduce impact on businesses and residents. Below is the presentation to the City Commission by Hazen and Sawyer at the start of the process in April 2015: