Canal Winchester, OH: High Radon Risk — 70/100 (2026)
1 ZIP code · 6 water systems · Updated 2026-06-03
Tap water in Canal Winchester, OH scores well — low violation counts, above-average safety grade.
How Canal Winchester Compares
Data: EPA SDWIS Last verified: 2026-06-03
Canal Winchester Water: The Quick Version
- Average lead level: 0.0021 mg/L.
- Homes built before 1986: 24% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 12.21 — above typical levels.
Water Systems Serving Canal Winchester
3 water utilities share the residential service territory in Canal Winchester, OH — out of 6 total systems in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Canal Winchester, Ohio (population ~40,896), covering 6 community water systems serving approximately 1,353,153 people region-wide.
No EPA violations recorded across any ZIP codes in Canal Winchester — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Canal Winchester: B (70/100)
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
Canal Winchester water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0021 mg/L (EPA action level: 0.015 mg/L)
- 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 |
|---|---|---|---|
| 43110 | B | Canal Winchester City Public Water System | 9,286 |
All ZIP Codes in Canal Winchester
- 43110 [B]
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 Canal Winchester
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
How Old Is Canal Winchester's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Lead exposure in tap water isn't just a function of what water utilities deliver — it's also shaped by the plumbing inside individual homes. Structures built before 1986 may contain lead-soldered copper joints, and homes built before 1970 face an additional risk from lead pipes themselves. Canal Winchester's median build year of 1991 suggests the housing stock is broadly weighted toward the safer post-1986 era, but the age distribution shown above makes clear that the pre-1986 share of the inventory still represents a meaningful fraction worth understanding for anyone in an older home.
Most homes in Canal Winchester were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Canal Winchester: Remediation Cost in Perspective
At current valuations, Canal Winchester falls in the moderate remediation-share tier — a level where treating this as a budgeted line item rather than an ad-hoc expense is the practical approach.
Remediation costs are moderate relative to home values in Canal Winchester. The estimated $2,000–$4,100 range is manageable for most homeowners but still worth budgeting for. Home values are 55% above the Ohio average.
Protecting Children from Lead in Canal Winchester
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.
24% — that captures the slice of Canal Winchester stock built before federal rules removed lead-bearing solder from new construction. Combined with system samples below the regulatory action mark, the picture points to a quiet baseline, with one-home draws as the only direct read on a specific address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Canal Winchester
A moderate NFIP record for Canal Winchester — 10 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.
Canal Winchester has a moderate flood history with 10 FEMA claims averaging $4,135 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>$3,000</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 Canal Winchester, OH