Novato WWTF - Wastewater Treatment Plant in Bel Marin Keys, California

Novato WWTF is a municipal wastewater treatment facility located in Bel Marin Keys, Marin County, California. It serves a population of approximately 54,500 residents in the Novato area and surrounding communities. The plant is situated in the San Francisco Bay Area, a region with a Mediterranean climate and significant environmental sensitivity. As a medium-to-large agglomeration, the plant is subject to the US Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permit requirements. These regulations mandate secondary treatment as a minimum, with additional nutrient controls in sensitive water bodies. The plant's designed capacity is 1.00 million gallons per day, indicating it is sized to handle the community's wastewater flows. The plant discharges treated effluent into the San Francisco Bay, a major estuary that supports diverse aquatic life and serves as a critical habitat for migratory birds and fish species. The bay ultimately connects to the Pacific Ocean through the Golden Gate. The plant's location within 50 km of the coast underscores the importance of effective treatment to protect coastal water quality.

Novato WWTF discharges into the San Francisco Bay, a large estuary that receives freshwater from the Sacramento and San Joaquin rivers. The bay supports a complex ecosystem including eelgrass beds, tidal marshes, and important fisheries such as salmon and Dungeness crab. Protecting water quality in this watershed is critical for maintaining biodiversity and supporting recreational uses like swimming and fishing.