Ross County, Ohio
9 ZIP codes · Avg score 54/100 · Grade D · Updated 2026-06-03
Within Ross County's 9 monitored ZIP codes, water quality data indicates below-average safety — independent testing is a reasonable precaution.
How Ross County Compares
How Ross County Compares
Ross County scores 6 points below the Ohio state average (60/100) and 14 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Ross 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 (asthma 11.6%, diabetes 15.1%)
Estimated additional annual cost per homeowner: $940, driven primarily by flood
Infrastructure: 0.338% avg pipe failure probability, 13% of ZIPs at high risk
52.4% 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: $940
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
32,456 housing units in Ross 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 Ross County
Remediation costs are relatively manageable for most homeowners in Ross 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 Ross 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 Ross County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Ross County Water Company Inc. | 35,345 | 15 |
| 2 | Kingston Village Public Water System | 1,032 | 15 |
| 3 | Clarksburg Village Public Water System | 500 | 0 |
| 4 | Chillicothe City Public Water System | 21,725 | 0 |
| 5 | Waverly City Public Water System | 4,433 | 0 |
8 total water systems serve Ross County.
All ZIP Codes in Ross County
9 ZIP codes tracked in Ross County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 45612 | Bainbridge | 70 | B | 0 | $130K |
| 2 | 43115 | Clarksburg | 66 | C | 0 | $129K |
| 3 | 45601 | Chillicothe | 60 | C | 0 | $161K |
| 4 | 45628 | Frankfort | 60 | C | 0 | $168K |
| 5 | 45644 | Kingston | 59 | C | 15 (1 health) | $216K |
| 6 | 45681 | South Salem | 53 | D | 0 | $139K |
| 7 | 45617 | Bourneville | 40 | D | 0 | — |
| 8 | 45624 | Cynthiana | 40 | D | 0 | — |
| 9 | 45647 | Londonderry | 40 | D | 0 | $173K |
Recommended Buyer Guides for Ross County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 52.4% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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 Ross County, Ohio
Overview
Ross County in Ohio covers 9 ZIP codes with an average Home Safety Score of D (54/100).
1 of 9 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.
What You Can Do
Ross County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
52.4% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.