AVANT UTILITIES AUTHORITY
PWS ID: OK1021305 · AVANT, Oklahoma 74001
Population Served
361
Total Violations
831
Health-Based Violations
517
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 165
- County
- Osage
- School/Daycare
- No
- MCL Violations
- 491
- Monitoring Violations
- 239
- Treatment Tech Violations
- 26
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 264 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 227 | 2025 |
| Surface Water Treatment Rule | MR | 71 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 47 | 2025 |
| TTHM | MR | 47 | 2025 |
| Coliform (TCR) | MR | 34 | 2012 |
| Surface Water Treatment Rule | TT | 25 | 2021 |
| Lead and Copper Rule | MR | 21 | 2017 |
| Nitrate-Nitrite | MR | 12 | 2008 |
| Consumer Confidence Rule | Other | 10 | 2025 |
| Arsenic | MR | 5 | 2007 |
| Nitrate | MR | 2 | 2001 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.