Highland County, Ohio
3 ZIP codes · Avg score 72/100 · Grade B · Updated 2026-06-03
Water systems in Highland County serve 3 ZIP codes with few reported safety events.
How Highland County Compares
How Highland County Compares
Highland County scores 12 points above the Ohio state average (60/100) and 4 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 15.4 (asthma 11.4%, diabetes 14.3%)
Estimated additional annual cost per homeowner: $607, driven primarily by energy_code_gap
Infrastructure: 0.333% avg pipe failure probability
55% of homes built before 1978 (lead paint era)
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: $607
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,936 housing units in Highland 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 Highland County
Remediation costs are relatively manageable for most homeowners in Highland 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 Highland 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 Highland County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Highland County Water Company, Inc. | 28,421 | 3 |
| 2 | Hillsboro City | 6,650 | 3 |
| 3 | Greenfield Village Public Water System | 4,600 | 3 |
| 4 | Lynchburg Village Public Water System | 1,515 | 3 |
| 5 | NEW VIENNA VILLAGE | 1,240 | 3 |
7 total water systems serve Highland County.
All ZIP Codes in Highland County
3 ZIP codes tracked in Highland County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 45142 | Lynchburg | 83 | B | 0 | $176K |
| 2 | 45133 | Hillsboro | 80 | B | 3 | $163K |
| 3 | 45148 | Midland | 53 | D | 0 | $160K |
Recommended Buyer Guides for Highland County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- Best Lead Paint Test Kits — 55% of homes built before 1978
Overview
Highland County in Ohio covers 3 ZIP codes with an average Home Safety Score of B (72/100).
1 of 3 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.