ONONDAGA NATION WS
PWS ID: 020000012 · NEDROW, 02 13120
Population Served
1,200
Total Violations
131
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 250
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 92
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 54 | 2024 |
| Consumer Confidence Rule | Other | 25 | 2024 |
| Chlorine | MR | 17 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2018 |
| TTHM | MR | 8 | 2018 |
| Revised Total Coliform Rule | RPT | 7 | 2024 |
| Coliform (TCR) | MCL | 3 | 2014 |
| Nitrate | MR | 3 | 2018 |
| Public Notice | Other | 2 | 2020 |
| Nitrite | MR | 1 | 2018 |
| Lead and Copper Rule | MR | 1 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.