COUNTY WATER-SYSTEM LEDGER
Monterey, California
EPA’s September 2026 export lists 16 active community water systems serving Monterey, California, with 1 current-violation flags and 0 serious-violator flags among the covered systems.
Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026
01 / SYSTEMS
Water systems serving Monterey, California
EPA associates 16 covered systems with Monterey, California; their reported population-served values total 409,063 and may overlap.
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Cwsc SalinasCA2710010 | 123,679 | Ground water | No current violation flagged |
| Cal Am Water Company - MontereyCA2710004 | 92,450 | Groundwater under influence of surface water | No current violation flagged |
| Alco Water ServiceCA2710001 | 56,253 | Ground water | No current violation flagged |
| Marina Coast Water DistrictCA2710017 | 38,377 | Ground water | No current violation flagged |
| Soledad, City OfCA2710011 | 19,455 | Ground water | No current violation flagged |
| Greenfield, City OfCA2710008 | 18,967 | Ground water | Current monitoring/reporting flag |
| Cwsc King CityCA2710009 | 16,334 | Ground water | No current violation flagged |
| Gonzales, City OfCA2710007 | 8,327 | Ground water | No current violation flagged |
| Castroville Community Services DistrictCA2710005 | 7,515 | Ground water | No current violation flagged |
| Psmcsd - PajaroCA2710020 | 6,500 | Ground water | No current violation flagged |
| Cwsc Salinas HillsCA2710012 | 5,293 | Ground water | No current violation flagged |
| Correctional Training Facility - SoledadCA2710850 | 4,269 | Ground water | No current violation flagged |
| Cwsc Oak HillsCA2710019 | 3,161 | Ground water | No current violation flagged |
| Salinas Valley State PrisonCA2710851 | 2,930 | Ground water | No current violation flagged |
| Seaside Municipal Water SystemCA2710018 | 2,800 | Ground water | No current violation flagged |
| Fort Hunter LiggettCA2710702 | 2,753 | Ground water | No current violation flagged |
02 / SOURCE MIX
Primary water sources for Monterey, California
EPA classifies 16 systems serving Monterey, California across 2 primary-source categories; Ground water is the largest category with 15 systems.
It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.