KERHONKSON WATER DISTRICT
PWS ID: NY5503373 · ELLENVILLE, New York 12428
Population Served
495
Total Violations
439
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 219
- County
- Ulster
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 417
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 25 | 2009 |
| Nitrate | MR | 13 | 2007 |
| ETHYLENE DIBROMIDE | MR | 9 | 2005 |
| Endrin | MR | 8 | 2005 |
| BHC-GAMMA | MR | 8 | 2005 |
| Aldicarb sulfoxide | MR | 8 | 2005 |
| Aldicarb sulfone | MR | 8 | 2005 |
| Carbofuran | MR | 8 | 2005 |
| LASSO | MR | 8 | 2005 |
| Heptachlor | MR | 8 | 2005 |
| Heptachlor epoxide | MR | 8 | 2005 |
| 2,4-D | MR | 8 | 2005 |
| 2,4,5-TP | MR | 8 | 2005 |
| Pentachlorophenol | MR | 8 | 2005 |
| Total Polychlorinated Biphenyls (PCB) | MR | 8 | 2005 |
| Lead and Copper Rule | MR | 8 | 2008 |
| Methoxychlor | MR | 8 | 2005 |
| Atrazine | MR | 8 | 2005 |
| Aldicarb | MR | 8 | 2005 |
| Chlordane | MR | 8 | 2005 |
| Toxaphene | MR | 8 | 2005 |
| Consumer Confidence Rule | Other | 6 | 2010 |
| 1,2,4-Trichlorobenzene | MR | 6 | 2006 |
| cis-1,2-Dichloroethylene | MR | 6 | 2006 |
| DICHLOROMETHANE | MR | 6 | 2006 |
| p-Dichlorobenzene | MR | 6 | 2006 |
| Vinyl chloride | MR | 6 | 2006 |
| 1,1-Dichloroethylene | MR | 6 | 2006 |
| 1,2-Dichloroethane | MR | 6 | 2006 |
| 1,1,1-Trichloroethane | MR | 6 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.