The Central Coast Partners for Water Quality is an inter-agency coalition of municipal separate storm sewer system operators (MS4s) that work together to prevent stormwater pollution in San Luis Obispo County.  The Partners include the County of San Luis Obispo, the City of San Luis Obispo, the City of Paso Robles, the County of Santa Barbara, the City of Morro Bay, the City of Atascadero, the City of Arroyo Grande, the City of Pismo Beach, the City of Grover Beach, Los Osos CSD, Templeton CSD, Nipomo CSD, Oceano CSD, Cambria CSD, Cal Poly, City of Santa Maria, and Caltrans . 

The Partners and stormwater pollution prevention interested parties and friends meet regularly to discuss stormwater issues of interest and concern.