UNI-CITY
Oklahoma — Community Water System — PWSID: OK3005552
System Information
| PWSID | OK3005552 |
| System Name | UNI-CITY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Oklahoma |
| City | EDMOND |
| ZIP Code | 73003-9998 |
| Address | Becky Chapo, Mgr |
| Organization | UNI-CITY |
| Phone | 405-341-5480 |
Population & Service
| Population Served | 348 |
| Service Connections | 116 |
Drinking Water Violations (69)
This water system has 69 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 30, 2017 | — | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Mar 27, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 30, 2017 | — | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Mar 27, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 28, 2019 | Consumer Confidence Rule |
| Jul 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 28, 2019 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Jul 1, 2014 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Jan 1, 2012 | Feb 28, 2012 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Feb 28, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Feb 28, 2012 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Feb 28, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Feb 28, 2012 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Feb 28, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Feb 28, 2012 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Feb 28, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 4, 2016 | Consumer Confidence Rule |
| Nov 1, 2008 | Nov 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2008 | Total Coliform Rule |
| Nov 1, 2008 | Nov 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2008 | Total Coliform Rule |
| Nov 1, 2008 | Nov 30, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 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 |
| Oct 1, 2008 | Oct 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jul 1, 2008 | Jul 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2008 | Total Coliform Rule |
| Jan 1, 2007 | Jan 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2007 | Total Coliform Rule |
| Jan 1, 2007 | Jan 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2007 | Total Coliform Rule |
| Jan 1, 2007 | Jan 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2007 | Total Coliform Rule |
| Jan 1, 2007 | Jan 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2007 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | 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.