Southeast Water Pollution Control Plant

The Southeast Water Pollution Control Plant, also called the Southeast Treatment Plant, is a wastewater treatment plant operated by the San Francisco Public Utilities Commission, in San Francisco, California, United States. It is located in the southeastern portion of the city in the Bayview-Hunters Point neighborhood.

Southeast is the city's primary treatment plant handling about 80% of the city's wastewater from the eastern two-thirds of the city's residents. The maximum treatment plant capacity is 250 e6USgal per day, with the average daily dry weather flow of 60 e6USgal. The facility discharges treated water about 800 ft into San Francisco Bay. Constructed in 1952, the 40 acre facility is planned to be updated with new digesters by the mid-2020s.