WALLKILL WATER DISTRICT
PWS ID: NY5503393 · WALLKILL, New York 12589
Population Served
1,500
Total Violations
106
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 540
- County
- Ulster
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 99
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 6 | 2015 |
| Endrin | MR | 3 | 2005 |
| Methoxychlor | MR | 3 | 2005 |
| OXAMYL | MR | 3 | 2005 |
| Simazine | MR | 3 | 2005 |
| Atrazine | MR | 3 | 2005 |
| LASSO | MR | 3 | 2005 |
| Heptachlor | MR | 3 | 2005 |
| Heptachlor epoxide | MR | 3 | 2005 |
| 2,4,5-TP | MR | 3 | 2005 |
| Benzo(a)pyrene | MR | 3 | 2005 |
| Pentachlorophenol | MR | 3 | 2005 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2005 |
| ETHYLENE DIBROMIDE | MR | 3 | 2005 |
| Chlordane | MR | 3 | 2005 |
| Nitrate | MR | 3 | 1997 |
| Radium-226 | MR | 3 | 2001 |
| 2,4-D | MR | 3 | 2005 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2005 |
| BHC-GAMMA | MR | 3 | 2005 |
| HEXACHLOROBENZENE | MR | 3 | 2005 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2005 |
| LEAD AND COPPER RULE REVISIONS | RPT | 3 | 2024 |
| Radium-228 | MR | 3 | 2001 |
| Aldicarb sulfoxide | MR | 3 | 2005 |
| Carbofuran | MR | 3 | 2005 |
| Aldicarb | MR | 3 | 2005 |
| Picloram | MR | 3 | 2005 |
| Toxaphene | MR | 3 | 2005 |
| Dinoseb | MR | 3 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.