CALIF MENS COLONY WWTF - San Luis Obispo County, California Wastewater Treatment Plant

CALIF MENS COLONY WWTF is a municipal wastewater treatment facility located in San Luis Obispo County, California, within the United States. The plant serves a population of about 11,637, placing it in the small-to-medium agglomeration category. Its designed capacity is 1.00 million gallons per day, reflecting its role in managing local wastewater from the correctional facility and surrounding area. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the California State Water Resources Control Board. These permits set effluent limits to protect water quality. Plants of this scale typically employ secondary treatment, which is the minimum standard for municipal wastewater under federal regulations. The treated effluent is discharged into the local watershed, which ultimately drains to the Pacific Ocean via creeks and rivers in San Luis Obispo County. The region's Mediterranean climate and proximity to the coast make water quality management critical for protecting downstream aquatic habitats and recreational waters. The plant's operations contribute to safeguarding public health and the environment in this coastal California area.

The plant's discharge enters the San Luis Obispo County watershed, flowing through local creeks and rivers before reaching the Pacific Ocean. This coastal region supports diverse marine and estuarine ecosystems, including habitats for fish, birds, and other wildlife. Proper treatment is essential to prevent nutrient pollution and protect water quality in downstream environments, which are used for recreation and support sensitive aquatic species.