SEQUOYAH CO. RWD #4
Oklahoma - Community Water System - PWSID: OK3006809
System Information
| PWSID | OK3006809 |
| System Name | SEQUOYAH CO. RWD #4 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | SALLISAW |
| ZIP Code | 74955 |
| Address | Mr. Nick Cox |
| Organization | SEQUOYAH CO. RWD #4 |
| Phone | 918-774-9869 |
Population & Service
| Population Served | 1,750 |
| Service Connections | 823 |
Drinking Water Violations (54)
This water system has 54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Jan 31, 2025 | MON | No | No | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | No | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | No | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | No | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jun 30, 2018 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Apr 24, 2019 | - | |
| Jun 30, 2018 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Apr 24, 2019 | - | |
| Jun 30, 2018 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Apr 24, 2019 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .089 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .095 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2018 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .084 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2017 | - | |
| Oct 1, 2013 | Nov 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Nov 30, 2013 | - | |
| Oct 1, 2013 | Nov 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Nov 30, 2013 | - | |
| Oct 1, 2013 | Nov 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Nov 30, 2013 | - | |
| Oct 1, 2013 | Nov 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Nov 30, 2013 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| May 1, 2009 | May 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2009 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - |
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.