RYAN UTILITIES AUTHORITY
Oklahoma - Community Water System - PWSID: OK3003405
System Information
| PWSID | OK3003405 |
| System Name | RYAN UTILITIES AUTHORITY |
| 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 | Jan 22, 1981 |
| Last Reported | May 13, 2026 |
Location & Contact
| State | Oklahoma |
| City | RYAN |
| ZIP Code | 73565 |
| Address | Mr. Terry Grantham, Chairman |
| Organization | RYAN UTILITIES AUTHORITY |
| Phone | 580-757-2277 |
Population & Service
| Population Served | 800 |
| Service Connections | 415 |
Drinking Water Violations (1,013)
This water system has 1,013 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, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.060 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Dec 30, 2025 | - | MR | No | No | - | 0.080 mg/L | - | Resolved | Feb 10, 2026 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .144 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .074 MG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .074 MG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .144 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .158 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .158 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .074 MG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .158 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .144 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .158 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .074 MG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .144 MG/L | 0.080 mg/L | .08 | Archived | Dec 31, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .125 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .125 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .125 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .151 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .151 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .151 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .068 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .068 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .125 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .068 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .151 MG/L | 0.080 mg/L | .08 | Archived | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .068 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .126 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .148 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .126 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .148 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .126 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .126 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .148 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .148 MG/L | 0.080 mg/L | .08 | Archived | Jun 30, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .146 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .154 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .154 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .154 MG/L | 0.080 mg/L | .08 | Archived | Mar 31, 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.