Public water system · CA0707517
ActiveColonia Santa Maria
Community water system in Contra Costa County, California, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
32
Service connections
10
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | 4G | 5200 | No | Unaddressed |
| 2024-10-17 | 2E | 5200 | Yes | Unaddressed |
| 2023-10-01 | 52 | 5000 | No | Addressed |
| 2017-10-01 | 52 | 5000 | No | Resolved |
| 1993-07-01 | 51 | 5000 | No | Resolved |
| 1984-02-01 | 06 | — | No | Archived |
| 1983-12-01 | 06 | — | No | Archived |
| 1983-11-01 | 06 | — | No | Archived |
| 1983-08-01 | 06 | — | No | Archived |
| 1983-05-01 | 06 | — | No | Archived |
| 1983-04-01 | 06 | — | No | Archived |
| 1983-02-01 | 06 | — | No | Archived |
Colonia Santa Maria: frequently asked questions
Is Colonia Santa Maria's water safe to drink?
Colonia Santa Maria 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 Colonia Santa Maria?
Colonia Santa Maria (PWSID CA0707517) is a private-owned community water system, regulated by the CA state drinking water program.
How many people does Colonia Santa Maria serve?
Colonia Santa Maria reports serving 32 people through 10 service connections in Contra Costa County, California.
Where does Colonia Santa Maria get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Contra Costa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Contra Costa Water District | Contra Costa | 198,000 | Community | Surface water |
| City of Antioch | Contra Costa | 115,074 | Community | Surface water |
| Brentwood | Contra Costa | 64,513 | Community | Purchased surface water |
| City of Pittsburg | Contra Costa | 62,500 | Community | Purchased surface water |
| Diablo Water District | Contra Costa | 43,357 | Community | Purchased surface water |
| City of Martinez | Contra Costa | 30,997 | Community | Purchased surface water |