AMERICAN VALLEY CSD
California — Community Water System — PWSID: CA3210004
System Information
| PWSID | CA3210004 |
| System Name | AMERICAN VALLEY CSD |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | QUINCY |
| ZIP Code | 95971 |
| Address | 900 Spanish Creek Road |
| Organization | NUNN, KATIE |
| Phone | 530-283-0836 |
Population & Service
| Population Served | 3,778 |
| Service Connections | 1,621 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Sep 1, 2019 | Sep 30, 2019 | MCL | Yes | No | — | — | — | Resolved | Sep 25, 2019 | — | |
| Sep 1, 2019 | Sep 30, 2019 | MCL | Yes | No | — | — | — | Resolved | Sep 25, 2019 | — | |
| Sep 1, 2019 | Sep 30, 2019 | MCL | Yes | No | — | — | — | Resolved | Sep 25, 2019 | — | |
| Jun 1, 2019 | Jun 30, 2019 | MCL | Yes | No | — | — | — | Resolved | Jun 12, 2019 | — | |
| Jun 1, 2019 | Jun 30, 2019 | MCL | Yes | No | — | — | — | Resolved | Jun 12, 2019 | — | |
| Jun 1, 2019 | Jun 30, 2019 | MCL | Yes | No | — | — | — | Resolved | Jun 12, 2019 | — | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | — | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2012 | — | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | — | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — |
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.