Henderson County, Kentucky
6 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-06-03
Water safety in Henderson County is uneven — some of its 6 ZIP codes meet standards cleanly while others carry documented violations.
How Henderson County Compares
How Henderson County Compares
Henderson 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: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Henderson 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: $1,602, driven primarily by flood
Infrastructure: 0.348% avg pipe failure probability
69% 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: $1,602
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
19,036 housing units in Henderson 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 Henderson County
Remediation costs are relatively manageable for most homeowners in Henderson 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 3 systems in Henderson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | HENDERSON WATER UTILITY/NORTH | 31,705 | 2 |
| 2 | Henderson County Water District | 17,447 | 2 |
| 3 | Henderson Water Utility/south | 54 | 2 |
All ZIP Codes in Henderson County
6 ZIP codes tracked in Henderson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 42419 | Henderson | 83 | B | 1 | — |
| 2 | 42420 | Henderson | 68 | C | 1 | $165K |
| 3 | 42406 | Corydon | 63 | C | 0 | $174K |
| 4 | 42458 | Spottsville | 63 | C | 0 | $194K |
| 5 | 42402 | Baskett | 53 | D | 0 | — |
| 6 | 42451 | Reed | 50 | D | 0 | — |
Recommended Buyer Guides for Henderson County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 69% 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 Henderson County, Kentucky
Overview
Henderson County in Kentucky covers 6 ZIP codes with an average Home Safety Score of C (63/100).
2 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.