CHESTERFIELD WD
PWS ID: NY1500283 · KEESEVILLE, New York 12944
Population Served
2,300
Total Violations
382
Health-Based Violations
261
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,000
- County
- Essex
- School/Daycare
- No
- MCL Violations
- 243
- Monitoring Violations
- 113
- Treatment Tech Violations
- 18
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 156 | 2018 |
| TTHM | MCL | 87 | 2012 |
| Interim Enhanced Surface Water Treatment Rule | TT | 16 | 2016 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2015 |
| Arsenic | MR | 6 | 2011 |
| Barium | MR | 6 | 2011 |
| Chromium | MR | 6 | 2011 |
| Selenium | MR | 6 | 2011 |
| Mercury | MR | 6 | 2011 |
| Fluoride | MR | 6 | 2011 |
| Cadmium | MR | 6 | 2011 |
| Endrin | MR | 4 | 1994 |
| 2,4-D | MR | 4 | 1994 |
| Methoxychlor | MR | 4 | 1994 |
| TTHM | MR | 4 | 2004 |
| 2,4,5-TP | MR | 4 | 1994 |
| Toxaphene | MR | 4 | 1994 |
| BHC-GAMMA | MR | 4 | 1994 |
| Coliform (TCR) | MR | 3 | 2009 |
| Nickel | MR | 3 | 2011 |
| Antimony, Total | MR | 3 | 2011 |
| Beryllium, Total | MR | 3 | 2011 |
| Nitrate | MR | 3 | 1988 |
| Thallium, Total | MR | 3 | 2011 |
| CYANIDE | MR | 3 | 2011 |
| Surface Water Treatment Rule | TT | 2 | 1993 |
| ETHYLENE DIBROMIDE | MR | 2 | 1994 |
| Aldicarb sulfone | MR | 1 | 1994 |
| Carbofuran | MR | 1 | 1994 |
| Chlordane | MR | 1 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.