Peaks Island, ME: High Radon Risk — 45/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Water compliance in Peaks Island, ME ranks below average — documented gaps in multiple service areas.
How Peaks Island Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Peaks Island Water
- Homes built before 1986: 88% — older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 11.38.
Who Supplies Your Water in Peaks Island
A single dominant system supplies most of Peaks Island, ME. That utility controls infrastructure decisions, rate structures, and EPA compliance reporting for most residential addresses served across those 1 tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Peaks Island, Maine (population ~788), covering 1 community water system serving approximately 135,068 people region-wide.
No EPA violations recorded across any ZIP codes in Peaks Island — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Peaks Island: 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
Peaks Island water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Peaks Island
- 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 |
|---|---|---|---|
| 04108 | D | PORTLAND WATER DISTRICT-GREATER | 135,068 |
All ZIP Codes in Peaks Island
- 04108 [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 Peaks Island
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 Peaks Island
With 88% 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
Heavily weighted toward older construction, Peaks Island's housing stock carries a median build year of 1903. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Peaks Island 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 Peaks Island Homeowners
Given current Peaks Island 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 Peaks Island 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 88% above the Maine average.
Lead Exposure Risk for Children in Peaks Island
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 Peaks Island represents 88% 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 Peaks Island
Flood risk in Peaks Island occupies the middle ground: 17 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.
Peaks Island has a moderate flood history with 17 FEMA claims averaging $11,726 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 Peaks Island
- 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 88% 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 Peaks Island, ME