Water Quality: Valhalla, NY
12 water systems • 8,292,196 people served
Multiple Health ViolationsWater Quality Summary
Valhalla is served by 12 public water systems with a combined service population of 8,292,196 people, and has 76 EPA Safe Drinking Water Act violations on record. Critically, 31 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Valhalla's violation count is 36% below the national average for New York. Contaminants associated with violations include Bromate, Total Haloacetic Acids (HAA5).
Contaminants Found
Probable human carcinogen that increases the risk of kidney and thyroid cancers.
Common source: Ozonation of bromide-containing water; used as flour improver
EPA limit: 0.010 mg/L (10 ppb)
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving Valhalla
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| NEW YORK CITY SYSTEM | NY7003493 | Surface Water | 8,271,000 | 10 |
| KENSICO WATER DISTRICT | NY5930082 | Surface Water | 17,917 | 12 |
| OLD FARM HILL WATER DISTRICT | NY5903485 | Surface Water | 1,768 | 12 |
| BEAR RIDGE LAKE WATER DISTRICT | NY5903438 | Surface Water | 518 | 0 |
| POCANTICO HILLS WATER DISTRICT | NY5903472 | Surface Water | 329 | 34 |
| APPLEHILL FARM WATER DISTRICT | NY5917105 | Surface Water | 209 | 0 |
| PLEASANT RIDGE WATER DISTRICT | NY5920776 | Surface Water | 95 | 2 |
| MEADOWBROOK WATER DISTRICT | NY5903439 | Surface Water | 91 | 0 |
| GREAT OAK PROPERTIES | NY1322771 | Groundwater | 90 | 1 |
| MILL RIVER WATER DISTRICT | NY5931080 | Surface Water | 74 | 4 |
| PLEASANTVILLE ROAD WATER DISTRICT | NY5930081 | Surface Water | 56 | 1 |
| PLEASANTVILLE EXTENSION #1 | NY5917106 | Surface Water | 49 | 0 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in New York
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.