FLORENCE WATER COMPANY
Arizona — Community Water System — PWSID: AZ0411017
System Information
| PWSID | AZ0411017 |
| System Name | FLORENCE WATER COMPANY |
| 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 | Oct 5, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | FLORENCE |
| ZIP Code | 85132 |
| Address | 23705 N CHAPS DR |
| Organization | WAINSCOTT, TIMOTHY |
| Phone | 520-251-2131 |
Population & Service
| Population Served | 15,900 |
| Service Connections | 3,590 |
Drinking Water Violations (258)
This water system has 258 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 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Jan 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 24, 2025 | Lead and Copper Rule |
| Jan 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 24, 2025 | Lead and Copper Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 14, 2024 | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 14, 2024 | Consumer Confidence Rule |
| Jul 1, 2019 | Sep 30, 2019 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2019 | Nitrate Rule |
| Jul 1, 2019 | Sep 30, 2019 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2019 | Nitrate Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 14, 2019 | Lead and Copper Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 14, 2019 | Lead and Copper Rule |
| Jan 1, 2018 | Mar 31, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2018 | Mar 31, 2018 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 27, 2016 | Consumer Confidence Rule |
| Oct 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 27, 2016 | Consumer Confidence Rule |
| Oct 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 27, 2016 | Consumer Confidence Rule |
| Oct 1, 2016 | Dec 31, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2016 | Dec 31, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 27, 2016 | Consumer Confidence Rule |
| Jul 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 27, 2016 | Consumer Confidence Rule |
| Feb 6, 2016 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jan 24, 2017 | Ground Water Rule |
| Oct 1, 2015 | Dec 31, 2015 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2015 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 15, 2015 | Consumer Confidence Rule |
| Feb 6, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jan 24, 2017 | Ground Water Rule |
| Feb 6, 2015 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jan 24, 2017 | Ground Water Rule |
| Jan 1, 2015 | Mar 31, 2015 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2015 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2015 | Mar 31, 2015 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2015 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2014 | Dec 31, 2014 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2014 | Dec 31, 2014 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2014 | Jun 30, 2014 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2014 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2014 | Mar 31, 2014 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2014 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2013 | Dec 31, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 2, 2013 | Consumer Confidence Rule |
| Jul 1, 2013 | Sep 30, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jun 1, 2012 | Jun 30, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | Total Coliform Rule |
| Jun 1, 2012 | Jun 30, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Jun 30, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Archived | Jun 30, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Oct 1, 2010 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 14, 2013 | Lead and Copper Rule |
| May 1, 2010 | May 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2010 | Total Coliform Rule |
| May 1, 2010 | May 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2010 | Total Coliform Rule |
| Apr 1, 2010 | Jun 30, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Oct 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | Total Coliform Rule |
| Oct 1, 2008 | Oct 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | Total Coliform Rule |
| Oct 1, 2008 | Oct 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 28, 2008 | Consumer Confidence Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Mar 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Mar 31, 2008 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 2008 | Nitrate Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2008 | Total Coliform Rule |
| Dec 1, 2007 | Dec 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | 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.