DURHAM, CA · Butte County
VISTA MUTUAL WATER SYSTEM Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of January 1, 1992. 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 Butte County, CA.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- CA0400006
- System type
- Community Water System
- Population served
- 50
- Service connections
- 18
- Ownership
- not on record
- Water source
- groundwater (wells)
VISTA MUTUAL WATER SYSTEM is one of 3,951 community water systems in California in the 500 or fewer people size category, formerly serving 50 people from groundwater.
EPA's federal records list this system as inactive in 1992; the record below is historical.
As of August 1, 2026, its federal record holds 5 entries between 1980 and 1984, all of which EPA lists as closed. Nothing has been added since 1984.
Of the 5, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Miscellaneous Other Rules and the Radionuclides and Revised Rad Rule.
Violation history
Notification, Public
—No contaminant on record
March 1, 1984 – March 31, 1984
ArchivedNotification, Public
—No contaminant on record
January 1, 1984 – January 31, 1984
ArchivedNotification, Public
—No contaminant on record
December 1, 1983 – December 31, 1983
ArchivedMonitoring, 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
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 1984 – March 31, 1984 | Notification, Public | — | — | Archived |
| January 1, 1984 – January 31, 1984 | Notification, Public | — | — | Archived |
| December 1, 1983 – December 31, 1983 | Notification, Public | — | — | Archived |
| 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 |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
Not on record
Phone not on record
DURHAM, CA 95938