RYAN UTILITIES AUTHORITY
PWS ID: OK3003405 · RYAN, Oklahoma 73565
Population Served
800
Total Violations
982
Health-Based Violations
873
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 415
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 871
- Monitoring Violations
- 98
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 558 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 306 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 42 | 2015 |
| TTHM | MR | 34 | 2015 |
| Coliform (TCR) | MR | 20 | 2013 |
| Coliform (TCR) | MCL | 7 | 2014 |
| Consumer Confidence Rule | Other | 3 | 2014 |
| Lead and Copper Rule | MR | 2 | 1993 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.