BAWSCA provides regional water supplier planning, resource development, and conservation program services to enhance the reliability of the 16 cities, 8 water districts, and 2 private water providers who are BAWSCA's member agencies.
BAWSCA's member agencies provide water service to over 1.8 million residents and over 40,000 commercial, industrial, and institutional accounts in Alameda, Santa Clara, and San Mateo Counties.
Source: BAWSCA FY 2020-21 Annual Survey
SF RWS: San Francisco Regional Water System
SCVWD: Santa Clara Valley Water District
Purissima Hills Water District
Coastside County Water District
Estero Municipal Improvement District
Guadalupe Valley Municipal Improvement District
North Coast County Water District
California Water Service Company
Cal Water – Bear Gulch
Cal Water – Mid Peninsula District
Cal Water – South San Francisco