NEWMAN WWTF - Hills Ferry, California Wastewater Treatment Plant

NEWMAN WWTF is a municipal wastewater treatment facility located in Hills Ferry, California, within Stanislaus County. The plant serves a population of around 10,567 residents, placing it in the small-to-medium agglomeration category for US inland plants. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the California State Water Resources Control Board. For plants of this scale, secondary treatment is typically required, though specific treatment levels are determined by the permit and receiving water quality standards. The plant's treated effluent is discharged to local waterways that ultimately drain into the San Joaquin River system, which flows into the Sacramento-San Joaquin Delta and then to San Francisco Bay. This watershed supports diverse aquatic life and is an important ecological corridor in California's Central Valley.

The plant discharges into the San Joaquin River basin, which flows through California's Central Valley to the Sacramento-San Joaquin Delta and San Francisco Bay. This watershed supports critical habitats for fish species including salmon and steelhead, and is subject to stringent water quality regulations to protect downstream ecosystems and drinking water supplies.