Water Quality: Epsom, NH
9 water systems • 1,810 people served
Multiple Health ViolationsWater Quality Summary
Epsom is served by 9 public water systems with a combined service population of 1,810 people, and has 59 EPA Safe Drinking Water Act violations on record. Critically, 32 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Epsom's violation count is 42% above the national average for New Hampshire. Contaminants associated with violations include Barium, Chlorine Dioxide, E. coli.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Water Systems Serving Epsom
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| EPSOM VILLAGE WATER DISTICT | NH0771010 | Groundwater | 800 | 0 |
| KINGS TOWNE MHP | NH0773010 | Groundwater | 350 | 2 |
| EPSOM HEALTHCARE CTR | NH0774010 | Groundwater | 240 | 29 |
| SHELTERING PINES MHP | NH0773030 | Groundwater | 125 | 7 |
| GRIGGS MOBILE HOMES | NH1913010 | Groundwater | 73 | 5 |
| KINGS GRANT | NH0771020 | Groundwater | 71 | 6 |
| COLBY BROOK ESTATES | NH0773020 | Groundwater | 68 | 0 |
| HALCYON HILL | NH0153020 | Groundwater | 58 | 5 |
| BARTON MHP | NH0702010 | Groundwater | 25 | 5 |
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.