Greenville, OH: 1 Violation — 57/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Recent monitoring in Greenville shows middle-tier safety for OH — some systems are clean; others have logged EPA violations.
How Greenville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Greenville Residents
- Your city's water systems recorded 1 violation in the past 5 years.
- Homes built before 1986: 81% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 15.01 — above typical levels.
Greenville's Water Providers
Most residential addresses in Greenville, OH are served by a single water utility — the dominant system among the 1 provider tracked in federal data.
Overview
We track water quality and home safety data for 1 ZIP code in Greenville, Ohio, covering 1 community water system serving approximately 22,298 people.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Greenville: C (57/100)
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
Greenville water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Greenville
- 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.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 45331 | C | 1 | 0 | Greenville City Public Water System |
All ZIP Codes in Greenville
- 45331 [C] — 1 violation
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.
Greenville 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
What's in Greenville's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Greenville Infrastructure Age
With 81% 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
Viewed through the lens of construction era, Greenville is predominantly an older city — a median build year of 1968 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Greenville 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 Greenville
Across the Greenville housing market, the estimated remediation share lands in a middle tier — not a minor footnote, but not a prohibitive burden either; the cost-to-value ratio reflects a moderate equity commitment, one that sits above routine maintenance territory and warrants a dedicated line in the household budget.
Remediation costs are moderate relative to home values in Greenville. The estimated $2,000–$4,100 range is manageable for most homeowners but still worth budgeting for. Home values are 13% below the Ohio average.
Greenville: 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.
Practically, the structural drivers in Greenville — 81% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark — make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Greenville: Flood History & Water Damage Risk
Flood activity in Greenville is neither negligible nor at the level of the highest-exposure areas in the NFIP dataset. The 17-claim record and 100% flood zone coverage suggest a community that has experienced recurrent events but has not faced the kind of sustained, severe exposure where water-supply contamination becomes a primary public health concern. It sits in a middle range where flood history merits inclusion in any complete local water quality picture.
Greenville has a moderate flood history with 17 FEMA claims averaging $9,336 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.
What You Can Do in Greenville
- 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. Filters rated for Total Trihalomethanes (TTHM) can reduce the most common contaminant found in Greenville's water.
- Check your home's plumbing. With 81% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Greenville, OH