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Downspout Disconnection

Program Purpose

The purpose of Boston Water and Sewer Commission's Downspout Disconnection Program is to identify and disconnect those downspouts (also known as roof leaders) that discharge into the sanitary sewer system. The sanitary sewer system is designed to carry domestic and industrial waste from toilets, showers, dishwashers, etc., not storm water. This program is only available in selected neighborhoods of Boston where downspouts have been confirmed as discharging to the sanitary sewer system.