Planada WWTF - Wastewater Treatment Facility in Merced County, California

Planada WWTF is a municipal wastewater treatment facility located in Merced County, California, serving a population of 5,298. The plant is situated inland, approximately 50 kilometers from the coast, and treats wastewater from the local community. As a small-scale facility in the United States, Planada WWTF is subject to the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting requirements. For plants serving around 5,000 people, secondary treatment is typically mandated, with additional nutrient removal if discharging to sensitive waters. The plant's treated effluent likely discharges to a nearby waterway within the San Joaquin River basin, which ultimately flows into the Sacramento-San Joaquin Delta and San Francisco Bay. This watershed supports diverse aquatic life and is critical for regional water supply and ecosystem health.

Planada WWTF discharges into the San Joaquin River basin, which drains into the Sacramento-San Joaquin Delta and San Francisco Bay. The downstream environment includes sensitive habitats for fish and wildlife, including migratory corridors for salmon and other species. Nutrient loading from wastewater can impact water quality in the delta and bay, making treatment performance important for ecological health.