Cape Neddick, ME: High Radon Risk — 45/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Unlike better-scoring cities in ME, Cape Neddick records health-based violations across a meaningful portion of its service areas — the overall safety grade is well below average.
How Cape Neddick Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Cape Neddick Water
- Homes built before 1986: 66% — older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 13.18 — above typical levels.
Who Supplies Your Water in Cape Neddick
2 independent water providers serve Cape Neddick, ME — 2 systems appear in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Cape Neddick, Maine (population ~2,530), covering 2 community water systems serving approximately 28,153 people region-wide.
No EPA violations recorded across any ZIP codes in Cape Neddick — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Cape Neddick: D (45/100)
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
Cape Neddick water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Cape Neddick
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High 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 |
|---|---|---|---|
| 03902 | D | YORK WATER DISTRICT | 13,675 |
All ZIP Codes in Cape Neddick
- 03902 [D]
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 Cape Neddick
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
Housing & Infrastructure in Cape Neddick
With 66% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Because the majority of Cape Neddick's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1975 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in Cape Neddick were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Cape Neddick Homeowners
Because property values in Cape Neddick comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Cape Neddick are relatively low compared to home values. The $1,600–$3,300 estimated range is a small fraction of median property value. Home values are 103% above the Maine average.
Lead Exposure Risk for Children in Cape Neddick
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.
Older stock in Cape Neddick represents 66% of the inventory, and citywide monitoring runs at or above the federal action level — making an in-home read a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Cape Neddick
Flood risk in Cape Neddick occupies the middle ground: 47 NFIP claims and 100% of local ZIP codes within FEMA flood zones. At that level, the risk pathways connecting flooding to water quality — treatment system stress, well infiltration, distribution backflow — become relevant considerations during significant flood events, even if day-to-day water quality is unaffected by flood history.
Cape Neddick has a moderate flood history with 47 FEMA claims averaging $16,642 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>$2,400</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 Cape Neddick
- 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. With 66% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Cape Neddick, ME