Castro Valley Sanitary District

CVSan is a small public agency organized under the Health and Safety Code of the State of California. As a California Special District, CVSan is responsible for operating and maintaining the sanitary sewer collection system within the unincorporated community of Castro Valley. CVSan is also in charge of the administration of a refuse collection franchise, a 25% interest in a wastewater treatment facility, implementation and administration of State and locally mandated recycling programs, as well as participation in sub-regional wastewater discharge and solid/hazardous waste management agencies.