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 per day, with the average daily dry weather flow of . The facility discharges treated water about into San Francisco Bay. Constructed in 1952, the facility is planned to be updated with new digesters by the mid-2020s. See also San José–Santa Clara Regional Wastewater Facility References External links Official website Sewage treatment plants in California Government buildings in San Francisco Government of San Francisco Environment of the San Francisco Bay Area San Francisco Bay watershed 1952 establishments in California