Colorado River Regional Water System
Arizona - Community Water System - PWSID: 090400051
System Information
| PWSID | 090400051 |
| System Name | Colorado River Regional Water System |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Arizona |
| City | Parker |
| ZIP Code | 85344 |
| Address | 26600 Mohave Road |
| Organization | CRIT Council |
| Phone | 9286699211 |
Population & Service
| Population Served | 8,490 |
| Service Connections | 1,860 |
Drinking Water Violations (138)
This water system has 138 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, 2025 | Dec 31, 2025 | MON | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2025 | - | |
| Mar 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Mar 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Mar 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 29, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 19, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Apr 1, 2020 | - | TT | Yes | No | - | - | - | Resolved | Jun 11, 2020 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Sep 1, 2016 | Sep 30, 2016 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2016 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Jun 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2016 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| May 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 27, 2016 | - | |
| May 1, 2015 | May 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2015 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| Mar 31, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jan 26, 2016 | - | |
| Mar 31, 2014 | - | TT | Yes | No | - | - | - | Resolved | Nov 16, 2015 | - | |
| Mar 31, 2014 | - | TT | Yes | No | - | - | - | Resolved | Nov 16, 2015 | - | |
| Mar 31, 2014 | - | TT | Yes | No | - | - | - | Resolved | Oct 22, 2014 | - | |
| Mar 31, 2014 | - | TT | Yes | No | - | - | - | Resolved | Jan 1, 2014 | - | |
| Mar 31, 2014 | - | TT | Yes | No | - | - | - | Resolved | Oct 22, 2014 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2017 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 17, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 17, 2012 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MCL | Yes | No | .1805 MG/L | 0.080 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MCL | Yes | No | .11092 MG/L | 0.080 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | Mar 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2011 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2007 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jan 20, 2009 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 20, 2009 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 20, 2009 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - |
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.