SIERRA CITY WATER WORKS, INC.
California - Community Water System - PWSID: CA4600056
System Information
| PWSID | CA4600056 |
| System Name | SIERRA CITY WATER WORKS, INC. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 30, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | GRASS VALLEY |
| ZIP Code | 95945 |
| Address | 122 Lidster Avenue |
| Organization | MASON, SAGAN |
| Phone | 978-424-1795 |
Population & Service
| Population Served | 250 |
| Service Connections | 88 |
Drinking Water Violations (36)
This water system has 36 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1992 | - | |
| Sep 1, 1984 | Sep 30, 1984 | Other | No | No | - | - | - | Archived | Sep 30, 1984 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| Jul 1, 1984 | Jul 31, 1984 | Other | No | No | - | - | - | Archived | Jul 31, 1984 | - | |
| Jun 1, 1984 | Jun 30, 1984 | Other | No | No | - | - | - | Archived | Jun 30, 1984 | - | |
| May 1, 1984 | May 31, 1984 | Other | No | No | - | - | - | Archived | May 31, 1984 | - | |
| Apr 1, 1984 | Apr 30, 1984 | Other | No | No | - | - | - | Archived | Apr 30, 1984 | - | |
| Mar 1, 1984 | Mar 31, 1984 | Other | No | No | - | - | - | Archived | Mar 31, 1984 | - | |
| Feb 1, 1984 | Feb 29, 1984 | Other | No | No | - | - | - | Archived | Feb 29, 1984 | - | |
| Jan 1, 1984 | Jan 31, 1984 | Other | No | No | - | - | - | Archived | Jan 31, 1984 | - | |
| Dec 1, 1983 | Dec 31, 1983 | Other | No | No | - | - | - | Archived | Dec 31, 1983 | - | |
| Nov 1, 1983 | Nov 30, 1983 | Other | No | No | - | - | - | Archived | Nov 30, 1983 | - | |
| Oct 1, 1983 | Oct 31, 1983 | Other | No | No | - | - | - | Archived | Oct 31, 1983 | - | |
| Sep 1, 1983 | Sep 30, 1983 | Other | No | No | - | - | - | Archived | Sep 30, 1983 | - | |
| Aug 1, 1983 | Aug 31, 1983 | Other | No | No | - | - | - | Archived | Aug 31, 1983 | - | |
| Jul 1, 1983 | Jul 31, 1983 | Other | No | No | - | - | - | Archived | Jul 31, 1983 | - | |
| Jun 1, 1983 | Jun 30, 1983 | Other | No | No | - | - | - | Archived | Jun 30, 1983 | - | |
| May 1, 1983 | May 31, 1983 | Other | No | No | - | - | - | Archived | May 31, 1983 | - | |
| Apr 1, 1983 | Apr 30, 1983 | Other | No | No | - | - | - | Archived | Apr 30, 1983 | - | |
| Mar 1, 1983 | Mar 31, 1983 | Other | No | No | - | - | - | Archived | Mar 31, 1983 | - | |
| Feb 1, 1983 | Feb 28, 1983 | Other | No | No | - | - | - | Archived | Feb 28, 1983 | - | |
| Jan 1, 1983 | Jan 31, 1983 | Other | No | No | - | - | - | Archived | Jan 31, 1983 | - | |
| Dec 1, 1982 | Dec 31, 1982 | Other | No | No | - | - | - | Archived | Dec 31, 1982 | - | |
| Nov 1, 1982 | Nov 30, 1982 | Other | No | No | - | - | - | Archived | Nov 30, 1982 | - | |
| Oct 1, 1982 | Oct 31, 1982 | Other | No | No | - | - | - | Archived | Oct 31, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1982 | - | |
| Jan 1, 1981 | Dec 31, 1981 | MR | No | Yes | - | 0.003 mg/L | - | Archived | Dec 31, 1981 | - | |
| Jan 1, 1981 | Dec 31, 1981 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 1981 | - | |
| Jan 1, 1981 | Dec 31, 1981 | MR | No | Yes | - | 0.04 mg/L | - | Archived | Dec 31, 1981 | - | |
| Jan 1, 1981 | Dec 31, 1981 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Dec 31, 1981 | - | |
| Jan 1, 1981 | Dec 31, 1981 | MR | No | Yes | - | 0.0002 mg/L | - | Archived | Dec 31, 1981 | - | |
| Jan 1, 1981 | Dec 31, 1981 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Dec 31, 1981 | - | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | - | 15 pCi/L | - | Archived | Oct 29, 1981 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.