SIERRA CITY, CA · Sierra County
MAPLE GROVE MUTUAL WATER CO. Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 4, 2005. 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 Sierra 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)
- CA4600014
- System type
- Community Water System
- Population served
- 20
- Service connections
- 19
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Notification, Public
—No contaminant on record
September 1, 1984 – September 30, 1984
ArchivedNotification, Public
—No contaminant on record
August 1, 1984 – August 31, 1984
ArchivedNotification, Public
—No contaminant on record
July 1, 1984 – July 31, 1984
ArchivedNotification, Public
—No contaminant on record
June 1, 1984 – June 30, 1984
ArchivedNotification, Public
—No contaminant on record
May 1, 1984 – May 31, 1984
ArchivedNotification, Public
—No contaminant on record
April 1, 1984 – April 30, 1984
ArchivedNotification, Public
—No contaminant on record
March 1, 1984 – March 31, 1984
ArchivedNotification, Public
—No contaminant on record
February 1, 1984 – February 29, 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
ArchivedNotification, Public
—No contaminant on record
November 1, 1983 – November 30, 1983
ArchivedNotification, Public
—No contaminant on record
October 1, 1983 – October 31, 1983
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| September 1, 1984 – September 30, 1984 | Notification, Public | — | — | Archived |
| August 1, 1984 – August 31, 1984 | Notification, Public | — | — | Archived |
| July 1, 1984 – July 31, 1984 | Notification, Public | — | — | Archived |
| June 1, 1984 – June 30, 1984 | Notification, Public | — | — | Archived |
| May 1, 1984 – May 31, 1984 | Notification, Public | — | — | Archived |
| April 1, 1984 – April 30, 1984 | Notification, Public | — | — | Archived |
| March 1, 1984 – March 31, 1984 | Notification, Public | — | — | Archived |
| February 1, 1984 – February 29, 1984 | Notification, Public | — | — | Archived |
| January 1, 1984 – January 31, 1984 | Notification, Public | — | — | Archived |
| December 1, 1983 – December 31, 1983 | Notification, Public | — | — | Archived |
| November 1, 1983 – November 30, 1983 | Notification, Public | — | — | Archived |
| October 1, 1983 – October 31, 1983 | Notification, Public | — | — | Archived |
| October 1, 1981 – September 30, 1982 | 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
SIERRA CITY, CA 96125