Water Quality: Keene, NH
3 water systems • 30,434 people served
Multiple Health ViolationsWater Quality Summary
Keene is served by 3 public water systems with a combined service population of 30,434 people, and has 19 EPA Safe Drinking Water Act violations on record. Critically, 5 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Keene's violation count is 54% below the national average for New Hampshire. Contaminants associated with violations include Disinfection Byproducts, Fecal Coliform.
Contaminants Found
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Water Systems Serving Keene
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| KEENE WATER DEPT | NH1241010 | Surface Water | 30,000 | 3 |
| CHESHIRE COUNTY COMPLEX | NH2494010 | Surface Water | 380 | 9 |
| PAYSON VILLAGE | NH1992070 | Groundwater | 54 | 7 |
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 Hampshire
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.