Water Quality: Great Neck, NH
1 water system • 100 people served
Multiple Health ViolationsWater Quality Summary
Great Neck is served by 1 public water system with a combined service population of 100 people, and has 37 EPA Safe Drinking Water Act violations on record. Critically, 28 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Great Neck's violation count is 11% below the national average for New Hampshire. Contaminants associated with violations include Chlorine Dioxide, HAA5, Haloacetic Acids, Total Organic Carbon.
Contaminants Found
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
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)
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)
Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.
Common source: Decaying plant material, algae, soil organic matter in source water
EPA limit: Treatment technique (must reduce TOC based on source water level)
Water Systems Serving Great Neck
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| ROLLING ACRES MHP | NH1603010 | Groundwater | 100 | 37 |
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.