AVANT UTILITIES AUTHORITY
Oklahoma - Community Water System - PWSID: OK1021305
System Information
| PWSID | OK1021305 |
| System Name | AVANT UTILITIES AUTHORITY |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | May 13, 2026 |
Location & Contact
| State | Oklahoma |
| City | AVANT |
| ZIP Code | 74001 |
| Address | Shearl Brinson, Mayor |
| Organization | AVANT UTILITIES AUTHORITY |
| Phone | 918-263-3205 |
Population & Service
| Population Served | 361 |
| Service Connections | 169 |
Drinking Water Violations (866)
This water system has 866 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2026 | Feb 28, 2026 | MR | No | Yes | - | - | - | Archived | Feb 28, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | MR | No | Yes | - | - | - | Archived | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | MR | No | Yes | - | - | - | Archived | Jan 31, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Unaddressed | - | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Unaddressed | - | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Unaddressed | - | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Unaddressed | - | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Unaddressed | - | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Unaddressed | - | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Unaddressed | - | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Unaddressed | - | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | - | - | - | Archived | Nov 30, 2025 | - | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | - | - | - | Archived | Nov 30, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | - | - | Archived | Oct 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | - | - | Archived | Oct 31, 2025 | - | |
| Sep 29, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Unaddressed | - | - | |
| Sep 29, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Unaddressed | - | - | |
| Sep 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | - | - | Archived | Sep 30, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | - | - | Archived | Sep 30, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | - | - | - | Archived | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | - | - | - | Archived | Aug 31, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .113 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .105 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .113 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | - | - | Archived | Jul 31, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .105 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .105 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .113 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | - | - | Archived | Jul 31, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | - | - | Archived | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | - | - | Archived | Jun 30, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MR | No | Yes | - | - | - | Archived | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MR | No | Yes | - | - | - | Archived | May 31, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jun 26, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .093 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Jun 26, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Jun 26, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Jun 26, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .093 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .093 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jun 26, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Jun 26, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - |
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.