Monroe County, Ohio
10 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03
Spanning 10 ZIP codes, Monroe County lands near the national median for water safety — compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.
How Monroe County Compares
How Monroe County Compares
Monroe County scores 7 points above the Ohio state average (60/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Monroe County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.6 (asthma 11.2%, diabetes 16.1%)
Estimated additional annual cost per homeowner: $1,095, driven primarily by flood
Infrastructure: 0.39% avg pipe failure probability, 22% of ZIPs at high risk
70.4% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Monroe County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 4 violations. Past 5 years: 7 total (7 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,095
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,505 housing units in Monroe County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Monroe County
Remediation costs are relatively manageable for most homeowners in Monroe County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Monroe County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Monroe County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Monroe Water Systems | 4,334 | 3 |
| 2 | SWITZERLAND OF OHIO WATER | 2,500 | 2 |
| 3 | POWHATAN POINT PUBLIC WATER SYSTEM | 1,592 | 2 |
| 4 | OHIO AND LEE TWP WATER AUTHORITY | 1,301 | 2 |
| 5 | WOODSFIELD VILLAGE PWS | 2,598 | 0 |
6 total water systems serve Monroe County.
All ZIP Codes in Monroe County
10 ZIP codes tracked in Monroe County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 43752 | Laings | 82 | B | 3 (1 health) | — |
| 2 | 43747 | Jerusalem | 79 | B | 2 | $209K |
| 3 | 43915 | Clarington | 78 | B | 0 | $129K |
| 4 | 43946 | Sardis | 76 | B | 2 | $126K |
| 5 | 43716 | Beallsville | 63 | C | 0 | $121K |
| 6 | 43931 | Hannibal | 63 | C | 0 | — |
| 7 | 45734 | Graysville | 63 | C | 0 | $110K |
| 8 | 43914 | Cameron | 55 | C | 0 | — |
| 9 | 43754 | Lewisville | 53 | D | 0 | $146K |
| 10 | 43757 | Malaga | 53 | D | 0 | — |
Recommended Buyer Guides for Monroe County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 70.4% of homes built before 1978
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Monroe County, Ohio
Overview
Monroe County in Ohio covers 10 ZIP codes with an average Home Safety Score of C (67/100).
3 of 10 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Ohio water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.