Hampton, NH: 2 Health Violations — 75/100 (2026)
2 ZIP codes · 5 water systems · Updated 2026-06-03
Although water quality varies across any metro, Hampton's systems collectively post above-average compliance scores for NH — and documented violations are few.
How Hampton Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Hampton Water
- Your city's water systems recorded 10 violations in the past 5 years.
- Average lead level: 0.001 mg/L.
- Estimated remediation: $2,500 per household.
- CDC health risk index: 11.66.
Who Supplies Your Water in Hampton
3 independent water providers serve Hampton, NH — 5 systems appear in federal records.
Overview
We track water quality and home safety data for 2 ZIP codes in Hampton, New Hampshire (population ~16,180), covering 5 community water systems serving approximately 34,710 people region-wide.
2 of 2 ZIP codes (100%) have recorded EPA violations. 2 health-based violations documented.
Home Safety Score
Average Home Safety Score for Hampton: B (75/100)
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
Hampton water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 9 | 2 |
| Stage 1 DBP Rule | Treatment Technique | 3 | 2 |
| Consumer Confidence Report Rule | Reporting | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 03842 | C | 5 | 1 | Aquarion Water/nh |
| 03843 | B | 5 | 1 | Aquarion Water/nh |
All ZIP Codes in Hampton
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.
Health Outcomes in Hampton
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
Top Contaminants in Hampton Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Hampton Homeowners
Given current Hampton valuations, the remediation-to-property-value ratio is low — most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Hampton are relatively low compared to home values. The $1,350–$4,000 estimated range is a small fraction of median property value. Home values are 35% above the New Hampshire average.
Lead Exposure Risk for Children in Hampton
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Hampton appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Hampton
FEMA data places 100% of Hampton's ZIP codes inside designated flood zones, and the NFIP claim record confirms the real-world impact: 973 filed claims representing decades of documented flood events with consequences for property and, at sufficient severity, for local water infrastructure.
Hampton has a significant flood history with 973 FEMA flood insurance claims on record, averaging $9,016 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,500</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Hampton, NH