Hardin County, Kentucky
11 ZIP codes · Avg score 68/100 · Grade C · Updated 2026-06-03
Monitoring figures for Hardin County indicate average water quality overall — some ZIP codes among the 11 tracked have recorded health-based violations, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Hardin County Compares
How Hardin County Compares
Hardin County scores 7 points above the Kentucky state average (61/100) and 0 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Hardin County, Kentucky
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Estimated additional annual cost per homeowner: $716, driven primarily by flood
Infrastructure: 0.289% avg pipe failure probability
46.1% of homes built before 1978 (lead paint era)
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: $716
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
45,928 housing units in Hardin 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 Hardin County
Remediation costs are relatively manageable for most homeowners in Hardin 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 with Most Violations
Top 5 systems in Hardin County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Hardin County Water District #2 | 76,326 | 4 |
| 2 | VINE GROVE WATER DEPARTMENT | 6,703 | 3 |
| 3 | Hardin County Water District #1 | 30,230 | 3 |
| 4 | HARDINSBURG RO WTP | 18,437 | 2 |
| 5 | Bardstown Municipal Water Department | 31,185 | 1 |
6 total water systems serve Hardin County.
All ZIP Codes in Hardin County
11 ZIP codes tracked in Hardin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 40159 | Radcliff | 83 | B | 0 | — |
| 2 | 42702 | Elizabethtown | 81 | B | 1 | — |
| 3 | 40160 | Radcliff | 78 | B | 0 | $162K |
| 4 | 40175 | Vine Grove | 74 | B | 2 (1 health) | $206K |
| 5 | 42701 | Elizabethtown | 71 | B | 1 | $236K |
| 6 | 40162 | Rineyville | 63 | C | 0 | $244K |
| 7 | 42724 | Cecilia | 63 | C | 0 | $193K |
| 8 | 42740 | Glendale | 63 | C | 0 | $183K |
| 9 | 42788 | White Mills | 63 | C | 0 | $223K |
| 10 | 40122 | Fort Knox | 53 | D | 0 | — |
| 11 | 42732 | Eastview | 53 | D | 0 | $182K |
Recommended Buyer Guides for Hardin County
Independent picks. EPA-grounded. Matched here.
- 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 Hardin County, Kentucky
Overview
Hardin County in Kentucky covers 11 ZIP codes with an average Home Safety Score of C (68/100).
3 of 11 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← 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.