MARIPOSA, CA · Mariposa County
CDF & FP - MT. BULLION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of February 5, 2026. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Mariposa County, CA.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA2210851
- System type
- Community Water System
- Population served
- 60
- Service connections
- 9
- Ownership
- state government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
January 1, 2007 – January 31, 2007
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2007 – January 31, 2007 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 28, 2007State Compliance achieved4 linked violations
Last known contact on file (system is inactive)
WIGHT, JUSTIN
559-580-6104
MARIPOSA, CA 95338