CANADIAN CO RWD # 4
Oklahoma — Community Water System — PWSID: OK2000930
System Information
| PWSID | OK2000930 |
| System Name | CANADIAN CO RWD # 4 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 1, 1989 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Oklahoma |
| City | EL RENO |
| ZIP Code | 73036 |
| Address | Mike Hufnagel |
| Organization | CANADIAN CO RWD # 4 |
| Phone | 405-262-4203 |
Population & Service
| Population Served | 907 |
| Service Connections | 465 |
Drinking Water Violations (29)
This water system has 29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 29, 2024 | — | E. COLI | MR | No | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Oct 1, 2008 | Dec 31, 2008 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2008 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Dec 31, 2008 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2008 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | Jul 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2006 | 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 |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2004 | Total Coliform Rule |
| Apr 1, 2001 | Jun 30, 2001 | Gross Beta Particle Activity | MR | No | Yes | — | 4 mrem/yr | — | Resolved | Jun 30, 2001 | Radionuclides and Revised Rad Rule |
| Apr 1, 2001 | Jun 30, 2001 | Gross Beta Particle Activity | MR | No | Yes | — | 4 mrem/yr | — | Resolved | Jun 30, 2001 | Radionuclides and Revised Rad Rule |
| Apr 1, 2001 | Jun 30, 2001 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2001 | Radionuclides and Revised Rad Rule |
| Apr 1, 2001 | Jun 30, 2001 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2001 | Radionuclides and Revised Rad Rule |
| Apr 1, 2001 | Jun 30, 2001 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2001 | Radionuclides and Revised Rad Rule |
| Apr 1, 2001 | Jun 30, 2001 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2001 | Radionuclides and Revised Rad Rule |
| Mar 1, 1999 | Mar 31, 1999 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Mar 31, 1999 | Total Coliform Rule |
| Oct 1, 1998 | Oct 31, 1998 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Oct 31, 1998 | Total Coliform Rule |
| Jun 1, 1993 | May 16, 1994 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 16, 1994 | Lead and Copper Rule |
| Jun 1, 1993 | May 16, 1994 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 16, 1994 | Lead and Copper Rule |
| Sep 1, 1992 | Sep 30, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 1992 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.