Windsor WWTF - Wastewater Treatment Plant in Windsor, California

Windsor WWTF is a municipal wastewater treatment facility located in Windsor, Sonoma County, California. It serves a population of around 26,950 residents, classifying it as a medium-sized agglomeration under US regulatory standards. The plant is situated inland, approximately 50 km from the Pacific coast, and its operations are governed by the US Clean Water Act. The plant's designed capacity is 1.00 million gallons per day. Under the Clean Water Act, facilities of this scale typically employ secondary treatment as a minimum standard, with potential for advanced treatment to meet local water quality requirements. The plant's permit is issued by the California State Water Resources Control Board or the Regional Water Quality Control Board, ensuring compliance with discharge limits. The treated effluent from Windsor WWTF is discharged into the Russian River watershed, which flows southward through Sonoma County before reaching the Pacific Ocean at Jenner. The Russian River supports diverse aquatic life, including steelhead trout and Chinook salmon, and is an important ecological corridor in the region. The plant's operations are critical to maintaining water quality in this sensitive watershed.

Windsor WWTF discharges into the Russian River watershed, which drains into the Pacific Ocean at Jenner, California. The Russian River is a vital habitat for anadromous fish species such as steelhead trout and Chinook salmon, and supports a rich riparian ecosystem. The plant's treatment performance directly affects downstream water quality, particularly during low-flow summer months when dilution is limited.