YOUNTVILLE VETERANS WWTF - Yountville, California Wastewater Treatment Plant

YOUNTVILLE VETERANS WWTF is a municipal wastewater treatment facility located in Yountville, Napa County, California. It serves a population of approximately 2,999 residents, placing it in the small community category. The plant is situated inland, away from coastal areas, and its operations are part of the broader wastewater infrastructure of the Napa Valley region. As a US facility, the plant operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the California State Water Resources Control Board. For small communities like Yountville, typical treatment includes secondary treatment to meet water quality standards. The plant has a designed capacity of 1.00 million gallons per day, indicating its scale. The treated effluent is discharged into local waterways that ultimately drain into the Napa River and then into San Pablo Bay, part of the San Francisco Bay estuary. This watershed supports diverse aquatic life and is ecologically sensitive, requiring careful management of nutrient and pollutant loads to protect downstream habitats.

The plant discharges into the Napa River watershed, which flows into San Pablo Bay and the San Francisco Bay estuary. This region supports critical habitats for fish, birds, and other wildlife, including migratory species. The estuary is a highly productive ecosystem that requires strict nutrient and pollutant controls to prevent eutrophication and protect biodiversity.