Woolwich, ME Water Safety: 63/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Woolwich, ME: middle-tier water safety by the latest federal monitoring.
How Woolwich Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Woolwich Water
- Homes built before 1986: 62% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 13.06 — above typical levels.
Who Supplies Your Water in Woolwich
A single utility carries the primary residential water load in Woolwich, ME — the dominant provider across 1 federally tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Woolwich, Maine (population ~3,135), covering 1 community water system serving approximately 9,290 people region-wide.
No EPA violations recorded across any ZIP codes in Woolwich — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Woolwich: 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
Woolwich water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Woolwich
- 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 |
|---|---|---|---|
| 04579 | C | BATH WATER DISTRICT | 9,290 |
All ZIP Codes in Woolwich
- 04579 [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.
Health Outcomes in Woolwich
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 Woolwich
With 62% 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
The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing — from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Woolwich, where the median build year is 1973, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.
Over half of homes in Woolwich 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 Woolwich Homeowners
When estimated remediation is placed alongside median property values in Woolwich, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.
Remediation costs in Woolwich are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 4% below the Maine average.
Lead Exposure Risk for Children in Woolwich
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.
Households with kids in the home — for whom CDC guidance places particular weight on minimizing exposure — face a specific local picture in Woolwich. 62% of homes here come from the pre-rule era, and aggregate utility samples either approach or cross 0.015 mg/L. A baseline draw-test kit and certified lead-removal filtration are available via retailer networks for households confirming conditions at a specific tap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Woolwich
A moderate NFIP record for Woolwich — 2 insurance claims paired with 100% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Woolwich has a moderate flood history with 2 FEMA claims averaging $2,810 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 Woolwich
- 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 62% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Woolwich, ME