AWA, IONE
California — Community Water System — PWSID: CA0310002
System Information
| PWSID | CA0310002 |
| System Name | AWA, IONE |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | SUTTER CREEK |
| ZIP Code | 95685 |
| Address | 12800 Ridge Rd. |
| Organization | FERRIERA, RICK |
| Phone | 209-257-5284 |
Population & Service
| Population Served | 7,227 |
| Service Connections | 2,386 |
Drinking Water Violations (19)
This water system has 19 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, 2024 | Dec 31, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Archived | Dec 31, 2024 | Revised Total Coliform Rule |
| Apr 1, 2022 | Jun 30, 2022 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 | Jun 30, 2022 | TTHM | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2017 | Mar 31, 2017 | TTHM | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2017 | Mar 31, 2017 | TTHM | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2015 | Sep 30, 2015 | CARBON, TOTAL | TT | Yes | No | — | TT | — | Resolved | Sep 30, 2015 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2015 | Sep 30, 2015 | CARBON, TOTAL | TT | Yes | No | — | TT | — | Resolved | Sep 30, 2015 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2009 | Aug 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | Total Coliform Rule |
| Aug 1, 2009 | Aug 31, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2009 | Total Coliform Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Jun 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Jan 1, 2006 | Jan 31, 2006 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jan 13, 2006 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Jan 1, 2006 | Jan 31, 2006 | Interim Enhanced Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jan 13, 2006 | Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Nov 1, 2005 | Nov 30, 2005 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Nov 30, 2005 | Surface Water Treatment Rule |
| Nov 1, 2005 | Nov 30, 2005 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Nov 30, 2005 | Surface Water Treatment Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Jan 1, 2000 | Jan 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2000 | Total Coliform Rule |
| May 1, 1993 | May 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1993 | Total Coliform Rule |
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.