Winnisquam, NH: 5 Violations — 70/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
In current tracking cycles, Winnisquam records above-average water quality outcomes for NH; compliance history over recent years shows few departures from federal standards and no systemic failures across its water systems.
How Winnisquam Compares
Data: EPA SDWIS Last verified: 2026-06-04
Winnisquam Water: The Quick Version
- Your city's water systems recorded 5 violations in the past 5 years.
- Estimated remediation: $400 per household.
- CDC health risk index: 12.77 — above typical levels.
Water Systems Serving Winnisquam
Winnisquam, NH runs on one primary water provider among the 1 federally tracked system. A single utility is responsible for the overwhelming share of residential supply — including the infrastructure, compliance filings, and rate schedules that govern service for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Winnisquam, New Hampshire, covering 1 community water system serving approximately 65 people.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Winnisquam: B (70/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Winnisquam water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Winnisquam
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 8 | 1 |
| Lead and Copper Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 03289 | B | 5 | 0 | Pleasant Valley Park Estates |
All ZIP Codes in Winnisquam
- 03289 [B] — 5 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Winnisquam
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Winnisquam
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Deep Dive Reports
Detailed analysis for Winnisquam, NH