Clark County, Kentucky
2 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-07-19
ZipCheckup grade for Clark: C.
A mixed picture - some signals here are worth your attention.
The systems supplying Clark County's 2 ZIP codes vary in performance - most meet minimum standards, but violations in select areas are on record.
How Clark County Compares
How Clark County Compares
Clark County scores 2 points above the Kentucky state average (61/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
Key Risk Factors
Estimated additional annual cost per homeowner: $1,710, driven primarily by flood
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,710
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Clark County
Remediation costs are relatively manageable for most homeowners in Clark 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.
Water systems serving Clark County
3 community water systems serving Clark County.
- C
- B
- B
All ZIP Codes in Clark County
2 ZIP codes tracked in Clark County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 40392 | Winchester | 70 | B | 0 | — |
| 2 | 40391 | Winchester | 55 | C | 0 | $197K |
Recommended Buyer Guides for Clark County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- 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
Overview
Clark County in Kentucky covers 2 ZIP codes with an average Home Safety Score of C (63/100).
No EPA violations are recorded for the tracked water systems in Clark County as of the latest reporting period.
← Back to Kentucky 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.