Hamersville, OH Water Safety: 72/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
Unlike many cities its size in OH, Hamersville keeps health-based violation rates low — systems here score at or above the state average for tap water safety, with no systemic concerns flagged in the current data set.
How Hamersville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Hamersville Residents
- Homes built before 1986: 71% — older plumbing may contain lead solder.
- Estimated remediation: $1,000 per household.
- CDC health risk index: 15.94 — above typical levels.
Hamersville's Water Providers
Multiple utilities divide Hamersville, OH's water service — 3 leading providers among 3 on the federal register.
Overview
We track water quality and home safety data for 1 ZIP code in Hamersville, Ohio (population ~3,806), covering 3 community water systems serving approximately 28,917 people region-wide.
No EPA violations recorded across any ZIP codes in Hamersville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Hamersville: B (72/100)
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
Hamersville water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Hamersville
- 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 |
|---|---|---|---|
| 45130 | B | Hamersville Village Public Water System | 925 |
All ZIP Codes in Hamersville
- 45130 [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.
Hamersville Community Health Snapshot
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
Hamersville Infrastructure Age
With 71% 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
Plumbing risk in older housing is defined by two eras: the pre-1970 period when lead pipes were commonly used for service lines, and the 1970-to-1986 period when lead solder remained standard in copper plumbing until the federal ban. Hamersville's median build year of 1975 lands in a range where both eras are heavily represented in the housing stock. That creates an elevated aggregate environment for plumbing-related lead exposure — one that city-level water quality averages don't capture, because the risk sits inside individual properties rather than in the distribution system.
Over half of homes in Hamersville 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.
How Remediation Costs Compare in Hamersville
At current valuations, Hamersville sits in the low remediation-share tier — the equity impact of fixing documented issues is proportionally minor.
Remediation costs in Hamersville are relatively low compared to home values. The $400–$1,600 estimated range is a small fraction of median property value. Home values are 25% above the Ohio average.
Hamersville: Lead Risk & Vulnerable Populations
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.
Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 71% of Hamersville homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Hamersville, OH