Public water system · CA4110007
ActiveCalifornia Water Service - San Carlos
Community water system in San Mateo County, California, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35,344
Service connections
10,474
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2015-03-01 | 41 | 0200 | Yes | Resolved |
| 1996-06-01 | 22 | 3100 | Yes | Resolved |
| 1995-12-01 | 22 | 3100 | Yes | Resolved |
| 1993-06-01 | 41 | 0200 | Yes | Resolved |
California Water Service - San Carlos: frequently asked questions
Is California Water Service - San Carlos's water safe to drink?
California Water Service - San Carlos is an active community water system regulated under the Safe Drinking Water Act, overseen by the CA state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs California Water Service - San Carlos?
California Water Service - San Carlos (PWSID CA4110007) is a private-owned community water system, regulated by the CA state drinking water program.
How many people does California Water Service - San Carlos serve?
California Water Service - San Carlos reports serving 35,344 people through 10,474 service connections in San Mateo County, California.
Where does California Water Service - San Carlos get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.
Other water systems in San Mateo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Daly City | San Mateo | 104,901 | Community | Purchased surface water |
| California Water Service - San Mateo | San Mateo | 102,348 | Community | Purchased surface water |
| City of Redwood City | San Mateo | 92,819 | Community | Purchased surface water |
| California Water Service-S San Francisco | San Mateo | 64,146 | Community | Purchased surface water |
| California Water Service - Bear Gulch | San Mateo | 61,431 | Community | Surface water |
| City of San Bruno | San Mateo | 42,631 | Community | Purchased surface water |