Water Quality: Hollis, NH
1 water system • 100 people served
Multiple Health ViolationsWater Quality Summary
Hollis is served by 1 public water system with a combined service population of 100 people, and has 6 EPA Safe Drinking Water Act violations on record. Critically, 6 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Hollis's violation count is 86% below the national average for New Hampshire. Contaminants associated with violations include Haloacetic Acids.
Contaminants Found
Linked to increased cancer risk and potential reproductive and developmental effects with long-term exposure.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving Hollis
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SILVER LAKE ESTATES | NH1172030 | Groundwater | 100 | 6 |
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.