325 WEST PATENT ROAD
PWS ID: NY5907719 · MT. KISCO, New York 10549
Population Served
365
Total Violations
203
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Westchester
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 196
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Barium | MR | 4 | 2009 |
| Chromium | MR | 4 | 2009 |
| CYANIDE | MR | 4 | 2009 |
| Fluoride | MR | 4 | 2009 |
| Mercury | MR | 4 | 2009 |
| Antimony, Total | MR | 4 | 2009 |
| Thallium, Total | MR | 4 | 2009 |
| Selenium | MR | 4 | 2009 |
| Arsenic | MR | 4 | 2009 |
| Nickel | MR | 4 | 2009 |
| Beryllium, Total | MR | 4 | 2009 |
| Cadmium | MR | 4 | 2009 |
| Revised Total Coliform Rule | MON | 4 | 2017 |
| Vinyl chloride | MR | 3 | 2000 |
| o-Dichlorobenzene | MR | 3 | 2000 |
| DICHLOROMETHANE | MR | 3 | 2000 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2000 |
| Heptachlor epoxide | MR | 3 | 2000 |
| Heptachlor | MR | 3 | 2000 |
| LASSO | MR | 3 | 2000 |
| Atrazine | MR | 3 | 2000 |
| Aldicarb | MR | 3 | 2000 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2000 |
| Chlordane | MR | 3 | 2000 |
| Pentachlorophenol | MR | 3 | 2000 |
| Benzo(a)pyrene | MR | 3 | 2000 |
| HEXACHLOROBENZENE | MR | 3 | 2000 |
| ETHYLENE DIBROMIDE | MR | 3 | 2000 |
| 2,4,5-TP | MR | 3 | 2000 |
| Carbofuran | MR | 3 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.