Ground Water Systems in California

35 community drinking-water systems in Californiamatching this source-type cohort.

Systems that draw primarily from underground aquifers. Ground water systems face distinct risk profiles including well field maintenance, aquifer depletion, and contamination vulnerability from surface activities.

SystemPop. ServedMISIBand
CHINO BASIN MWD300K16.665Stable
SAN BERNARDINO CITY215K24.682Watch
SANTA ROSA, CITY OF175K26.769Watch
CWS - VISALIA148K28.345Watch
CWSC SALINAS124K22.936Watch
GREAT OAKS WC, INC.110K37.091Watch
HESPERIA WD101K27.184Watch
SOUTH TAHOE PUD - MAIN100K29.331Watch
CITY OF MERCED94K17.190Stable
INDIO WATER AUTHORITY85K16.790Stable
TULARE, CITY OF72K7.988Stable
CITY OF MADERA67K7.492Stable
PORTERVILLE, CITY OF63K30.116Watch
HANFORD, CITY OF62K20.784Watch
PETALUMA, CITY OF61K15.926Stable
CITY OF GILROY59K29.304Watch
ALCO WATER SERVICE56K27.184Watch
LAKE HEMET MWD53K26.641Watch
DELANO, CITY OF51K19.190Stable
CITY OF ARCADIA51K19.922Stable
GSWC - ARTESIA50K19.922Stable
CITY OF LOS BANOS47K30.116Watch
CITY OF MORGAN HILL47K31.280Watch