DIAMOND VALLEY WATER DISTRICT
Arizona - Community Water System - PWSID: AZ0413017
System Information
| PWSID | AZ0413017 |
| System Name | DIAMOND VALLEY WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | HUMBOLDT |
| ZIP Code | 86327 |
| Address | PO BOX 1024 |
| Organization | CHARLES, DENNIS M |
| Phone | 928-458-5059 |
Population & Service
| Population Served | 2,000 |
| Service Connections | 775 |
Drinking Water Violations (121)
This water system has 121 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 | - | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2016 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Feb 1, 2014 | Feb 28, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2014 | - | |
| Feb 1, 2014 | Feb 28, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2014 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Apr 23, 2014 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Apr 23, 2014 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 26, 2013 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2011 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2011 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2011 | - | |
| Oct 1, 2009 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2011 | - |
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.