SANTA ANA, CA · Contra Costa County
SANTIAGO ISLAND VILLAGE Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 3, 2022. 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 Contra Costa 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)
- CA0707574
- System type
- Community Water System
- Population served
- 0
- Service connections
- 211
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 1996 – November 30, 1996
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 1, 1996 – November 30, 1996 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 30, 1980 – October 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- November 30, 1999State Compliance achieved1 linked violation
- September 24, 1999State Violation/Reminder Notice1 linked violation
- September 24, 1999State Boil Water Order1 linked violation
- December 30, 1996State Compliance achieved1 linked violation
- November 11, 1996State Violation/Reminder Notice1 linked violation
Last known contact on file (system is inactive)
MOLSBERRY, AIMEE
714-744-4993
SANTA ANA, CA 92711-1927