Montalvo WWTF - San Buenaventura (Ventura), California Wastewater Treatment Plant

Montalvo WWTF is a municipal wastewater treatment facility located in San Buenaventura (Ventura), California, within Ventura County. The plant serves a population of approximately 2,400 residents and operates under the regulatory framework of the US Clean Water Act, which requires NPDES permits for discharges to surface waters. The plant provides secondary treatment, a standard level for smaller communities in the United States. Likely thousand gallons per day or similar) and treats an average daily flow of 870.65, indicating it operates above its nominal capacity. The facility is situated less than 10 kilometers from the Pacific Ocean, placing it in a coastal zone with heightened environmental sensitivity. Treated effluent from Montalvo WWTF ultimately reaches the Pacific Ocean via local drainage channels or the Ventura River system. The Southern California coastal region supports diverse marine habitats, including kelp forests and rocky intertidal zones, which are sensitive to nutrient loading and pollutants. The plant's discharge is regulated to protect these ecosystems under the Clean Water Act and California's Ocean Plan.

The plant's discharge enters the Pacific Ocean near Ventura, California, via local storm drains or the Ventura River. The Southern California Bight is a productive marine ecosystem supporting fisheries, seabirds, and marine mammals. Nutrient and pollutant inputs from coastal discharges are managed under the Clean Water Act to prevent eutrophication and protect beneficial uses such as recreation and aquatic life.