NORTH CHAUTAUQUA COUNTY WATER DISTRICT
PWS ID: NY0630144 · MAYVILLE, New York 14757
Population Served
3,100
Total Violations
30
Health-Based Violations
2
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 746
- County
- Chautauqua
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 13
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 5 | 2021 |
| Lead and Copper Rule | MR | 4 | 2022 |
| TTHM | MR | 2 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2023 |
| 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.