CEDAR GROVE WATER COMPANY
Arizona — Community Water System — PWSID: AZ0401049
System Information
| PWSID | AZ0401049 |
| System Name | CEDAR GROVE WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Apr 9, 1986 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85754 |
| Address | PO BOX 85160 |
| Organization | SOUTHWESTERN UTILITY MGMT INC |
| Phone | 520-623-5172 |
Population & Service
| Population Served | 1,564 |
| Service Connections | 523 |
Drinking Water Violations (191)
This water system has 191 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, 2025 | Sep 30, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Archived | Sep 30, 2025 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | Jun 30, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | Revised Total Coliform Rule |
| Feb 1, 2023 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Jun 7, 2023 | Revised Total Coliform Rule |
| Feb 1, 2023 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Jun 7, 2023 | Revised Total Coliform Rule |
| Oct 1, 2021 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Dec 23, 2021 | Revised Total Coliform Rule |
| Oct 1, 2021 | — | Revised Total Coliform Rule | RPT | No | No | — | — | — | Resolved | Dec 23, 2021 | Revised Total Coliform Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 11, 2021 | Lead and Copper Rule |
| Jan 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 11, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 23, 2020 | Lead and Copper Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 30, 2020 | Consumer Confidence Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 30, 2020 | Consumer Confidence Rule |
| Apr 9, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 22, 2021 | Ground Water Rule |
| Apr 9, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 22, 2021 | Ground Water Rule |
| Apr 9, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 22, 2021 | Ground Water Rule |
| Apr 9, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 22, 2021 | Ground Water Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 12, 2019 | Consumer Confidence Rule |
| Jul 1, 2019 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 12, 2019 | Consumer Confidence Rule |
| Dec 1, 2018 | Dec 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2018 | Revised Total Coliform Rule |
| Dec 1, 2018 | Dec 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2018 | Revised Total Coliform Rule |
| Dec 1, 2018 | Dec 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2018 | Revised Total Coliform Rule |
| Nov 1, 2015 | Nov 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2015 | Total Coliform Rule |
| Nov 1, 2015 | Nov 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2015 | Total Coliform Rule |
| Oct 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 7, 2015 | Lead and Copper Rule |
| Oct 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 7, 2015 | Lead and Copper Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2014 | Consumer Confidence Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Apr 1, 2014 | Apr 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | Total Coliform Rule |
| Mar 1, 2014 | Mar 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2014 | Total Coliform Rule |
| Mar 1, 2014 | Mar 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2014 | Total Coliform Rule |
| Oct 1, 2013 | Oct 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | Total Coliform Rule |
| Oct 1, 2013 | Oct 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Jun 1, 2013 | Jun 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | Total Coliform Rule |
| Jun 1, 2013 | Jun 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2013 | Total Coliform Rule |
| Oct 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 29, 2013 | Consumer Confidence Rule |
| Jun 1, 2012 | Jun 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | Total Coliform Rule |
| Jun 1, 2012 | Jun 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | Total Coliform Rule |
| Oct 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 29, 2013 | Consumer Confidence Rule |
| Sep 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Sep 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 8, 2011 | Consumer Confidence Rule |
| Oct 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 29, 2013 | Consumer Confidence Rule |
| Sep 1, 2010 | Sep 30, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | Total Coliform Rule |
| Sep 1, 2010 | Sep 30, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | Total Coliform Rule |
| Nov 1, 2009 | Nov 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | Total Coliform Rule |
| Nov 1, 2009 | Nov 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2009 | 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.