TRI-COUNTY RWD #2
Oklahoma — Community Water System — PWSID: OK2006362
System Information
| PWSID | OK2006362 |
| System Name | TRI-COUNTY RWD #2 |
| 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 | Jan 5, 1982 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Oklahoma |
| City | EARLSBORO |
| ZIP Code | 74840 |
| Address | Staci Groom, Chairperson |
| Organization | TRI-COUNTY RWD #2 |
| Phone | 405-997-5390 |
Population & Service
| Population Served | 5,172 |
| Service Connections | 2,332 |
Drinking Water Violations (167)
This water system has 167 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Resolved | Jul 15, 2025 | Lead and Copper Rule Revisions |
| Apr 1, 2024 | Jun 30, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Jun 30, 2024 | Nitrate Rule |
| Apr 1, 2024 | Jun 30, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Jun 30, 2024 | Nitrate Rule |
| Apr 1, 2024 | Jun 30, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Jun 30, 2024 | Nitrate Rule |
| Oct 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Oct 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Oct 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Oct 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Sep 1, 2021 | Sep 30, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Sep 30, 2021 | Revised Total Coliform Rule |
| Jul 1, 2021 | Sep 30, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Sep 30, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Sep 30, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 | Sep 30, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 18, 2017 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 28, 2018 | Ground Water Rule |
| May 18, 2017 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 28, 2018 | Ground Water Rule |
| May 18, 2017 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 28, 2018 | Ground Water Rule |
| May 18, 2017 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 28, 2018 | Ground Water Rule |
| May 18, 2017 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Feb 28, 2018 | Ground Water Rule |
| Jul 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 30, 2017 | Consumer Confidence Rule |
| Jul 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 30, 2017 | Consumer Confidence Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | E. COLI | MR | No | Yes | — | — | — | Resolved | Jul 31, 2013 | Ground Water Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 6, 2015 | Consumer Confidence Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2013 | Jul 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2013 | Total Coliform Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 6, 2015 | Consumer Confidence Rule |
| Jul 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2013 | Lead and Copper Rule |
| Jul 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2013 | Lead and Copper Rule |
| Jul 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2013 | Lead and Copper Rule |
| Jul 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2013 | Lead and Copper Rule |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
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.