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Public Water System
UNH/DURHAM WATER SYS
PWSID NH0691010 · New Hampshire · 16,000 people served
A
ExcellentUNH/DURHAM WATER SYS is an EPA-regulated public water system in New Hampshire (PWSID NH0691010). It serves an estimated 16,000 residents — a small city of customers — across 1 community across 1 ZIP code.
UNH/DURHAM WATER SYS has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
16,000
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for UNH/DURHAM WATER SYS over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
UNH/DURHAM WATER SYS's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by UNH/DURHAM WATER SYS
ZIP Codes Served
About this system
EPA records this system as PWSID NH0691010. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact UNH/DURHAM WATER SYS directly or review their annual Consumer Confidence Report (CCR).
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