Letcher County, Kentucky
20 ZIP codes · Avg score 61/100 · Grade C · Updated 2026-06-03
Within Letcher County, 20 tracked ZIP codes reveal moderate water quality — national standards are generally met, with some documented exceptions.
How Letcher County Compares
How Letcher County Compares
Letcher County scores 0 points above the Kentucky state average (61/100) and 7 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Letcher 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: $1,111, driven primarily by energy_code_gap
Infrastructure: 0.344% avg pipe failure probability, 28% of ZIPs at high risk
59.9% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Letcher County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 13 violations. Past 5 years: 39 total (39 health-based).
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: $1,111
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,215 housing units in Letcher 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 Letcher County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Letcher County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | LETCHER COUNTY WATER DISTRICT | 2,673 | 49 |
| 2 | FLEMING-NEON WATER COMPANY | 3,212 | 49 |
| 3 | WHITESBURG WATER WORKS | 3,861 | 3 |
| 4 | JENKINS WATER SYSTEM | 2,609 | 0 |
| 5 | Mountain Water District | 44,057 | 0 |
All ZIP Codes in Letcher County
20 ZIP codes tracked in Letcher County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 41837 | Mayking | 81 | B | 0 | $111K |
| 2 | 41858 | Whitesburg | 64 | C | 3 (1 health) | $102K |
| 3 | 40826 | Eolia | 63 | C | 0 | $43K |
| 4 | 41517 | Burdine | 63 | C | 0 | — |
| 5 | 41520 | Dorton | 63 | C | 0 | — |
| 6 | 41810 | Cromona | 63 | C | 0 | $23K |
| 7 | 41812 | Deane | 63 | C | 0 | $78K |
| 8 | 41815 | Ermine | 63 | C | 0 | $78K |
| 9 | 41824 | Isom | 63 | C | 0 | $52K |
| 10 | 41826 | Jeremiah | 63 | C | 0 | $71K |
| 11 | 41835 | Mc Roberts | 63 | C | 0 | — |
| 12 | 41838 | Millstone | 63 | C | 0 | $60K |
| 13 | 41849 | Seco | 63 | C | 0 | — |
| 14 | 41855 | Thornton | 63 | C | 0 | — |
| 15 | 41563 | Shelby Gap | 55 | C | 0 | $90K |
| 16 | 41840 | Neon | 54 | D | 46 | $56K |
| 17 | 41825 | Jackhorn | 53 | D | 0 | $52K |
| 18 | 41832 | Letcher | 53 | D | 0 | — |
| 19 | 41845 | Premium | 53 | D | 0 | — |
| 20 | 41848 | Roxana | 53 | D | 0 | — |
Recommended Buyer Guides for Letcher County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 59.9% of homes built before 1978
Deep Dive Reports
Detailed analysis for Letcher County, Kentucky
Overview
Letcher County in Kentucky covers 20 ZIP codes with an average Home Safety Score of C (61/100).
2 of 20 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.