East Candia, NH Water Safety: 63/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-04
Across water systems in East Candia, safety results are uneven — a portion carry active or recent violations, while others meet federal standards without incident, placing the city in the middle tier for NH.
How East Candia Compares
Data: EPA SDWIS Last verified: 2026-06-04
East Candia Water: The Quick Version
- Estimated remediation: $1,600 per household.
- CDC health risk index: 11.66.
Water Systems Serving East Candia
While 1 water system appear in federal records for East Candia, NH, one provider supplies the majority of residential connections — making it the central point of infrastructure and compliance accountability for most households.
Overview
We track water quality and home safety data for 1 ZIP code in East Candia, New Hampshire, covering 1 community water system serving approximately 85 people.
No EPA violations recorded across any ZIP codes in East Candia — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for East Candia: C (63/100)
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
East Candia water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for East Candia
- 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 03040 | C | COUNTRY LANE MANOR | 85 |
All ZIP Codes in East Candia
- 03040 [C]
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 East Candia
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
Climate-Related Water Risk for East Candia
How does East Candia's flood record connect to local water quality? The NFIP documents 1 claim — enough to signal recurring events — and 100% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
East Candia has a moderate flood history with 1 FEMA claims averaging $1,683 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$1,600</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.
What You Can Do in East Candia
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for East Candia, NH