Whitley County, Kentucky
8 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-06-03
Whitley County shows moderate water quality across its 8 ZIP codes — some areas carry violations worth monitoring.
How Whitley County Compares
How Whitley County Compares
Whitley County scores 3 points above the Kentucky state average (61/100) and 4 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Whitley 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: $778, driven primarily by flood
Infrastructure: 0.322% avg pipe failure probability, 17% of ZIPs at high risk
46.5% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↓ Improving trendEPA violation counts by year across Whitley County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 18 violations. Past 5 years: 34 total (34 health-based). Health-based violations are declining versus the prior 2-year window.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $778
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
24,697 housing units in Whitley 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 Whitley County
Remediation costs are relatively manageable for most homeowners in Whitley 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 Whitley County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Cumberland Falls Highway Water District | 9,498 | 8 |
| 2 | WHITLEY CO WATER DISTRICT | 9,825 | 8 |
| 3 | Corbin Utilities Commission | 16,065 | 4 |
| 4 | LAUREL CO WATER DISTRICT #2 | 16,899 | 4 |
| 5 | BARBOURVILLE UTILITIES | 16,420 | 4 |
14 total water systems serve Whitley County.
All ZIP Codes in Whitley County
8 ZIP codes tracked in Whitley County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 40201 | Louisville | 83 | B | 0 | — |
| 2 | 40701 | Corbin | 75 | B | 4 (3 health) | $163K |
| 3 | 40769 | Williamsburg | 74 | B | 4 (4 health) | $94K |
| 4 | 40759 | Rockholds | 63 | C | 0 | $85K |
| 5 | 40734 | Gray | 55 | C | 0 | $112K |
| 6 | 40730 | Emlyn | 53 | D | 0 | — |
| 7 | 40737 | Keavy | 53 | D | 0 | $135K |
| 8 | 40771 | Woodbine | 53 | D | 0 | $80K |
Recommended Buyer Guides for Whitley County
Independent picks. EPA-grounded. Matched here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Whitley County, Kentucky
Overview
Whitley County in Kentucky covers 8 ZIP codes with an average Home Safety Score of C (64/100).
2 of 8 ZIP codes have recorded EPA violations. 7 health-based violations 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.