HOPLAND PUBLIC UTILITY DISTRICT
California - Community Water System - PWSID: CA2310010
System Information
| PWSID | CA2310010 |
| System Name | HOPLAND PUBLIC UTILITY DISTRICT |
| 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 | Jan 25, 1983 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | UKIAH |
| ZIP Code | 95482 |
| Address | 151 Laws Avenue |
| Organization | WALKER, JARED |
| Phone | 707-462-2666 |
Population & Service
| Population Served | 1,076 |
| Service Connections | 347 |
Drinking Water Violations (27)
This water system has 27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2008 | Sep 30, 2008 | Other | No | No | - | - | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | Other | No | No | - | - | - | Resolved | Sep 30, 2008 | - | |
| Jan 1, 2007 | Dec 31, 2007 | Other | No | No | - | - | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | Other | No | No | - | - | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Nov 19, 2004 | Dec 9, 2004 | Other | No | No | - | - | - | Resolved | Dec 9, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2004 | - | |
| Nov 1, 2004 | - | Other | No | No | - | - | - | Resolved | Dec 9, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2004 | - | |
| Nov 1, 2004 | - | Other | No | No | - | - | - | Resolved | Dec 9, 2004 | - | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Dec 13, 2013 | - | |
| Oct 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Dec 13, 2013 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2015 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 19, 2015 | - | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Jun 1, 2001 | Jun 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Aug 1, 1988 | Aug 31, 1988 | Other | No | No | - | - | - | Archived | Aug 31, 1988 | - |
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.