Lyon County, Kentucky
3 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Throughout Lyon County, the 3 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.
How Lyon County Compares
How Lyon County Compares
Lyon County scores 9 points above the Kentucky state average (61/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Estimated additional annual cost per homeowner: $543, driven primarily by energy_code_gap
Infrastructure: 0.39% avg pipe failure probability, 67% of ZIPs at high risk
64.7% of homes built before 1978 (lead paint era)
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Lyon County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 9 violations. Past 5 years: 15 total (15 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: $543
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,670 housing units in Lyon 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 Lyon County
Remediation costs are relatively manageable for most homeowners in Lyon 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 Lyon County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | LYON COUNTY WATER DISTRICT | 6,744 | 6 |
| 2 | Eddyville Water Department | 3,843 | 6 |
| 3 | Kuttawa Water Department | 1,143 | 6 |
| 4 | Barkley Lake Water District | 14,284 | 0 |
| 5 | Princeton Water & Sewer Commission | 7,007 | 0 |
7 total water systems serve Lyon County.
All ZIP Codes in Lyon County
3 ZIP codes tracked in Lyon County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 42038 | Eddyville | 83 | B | 0 | $196K |
| 2 | 42055 | Kuttawa | 74 | B | 6 (4 health) | $150K |
| 3 | 42037 | Dycusburg | 53 | D | 0 | — |
Recommended Buyer Guides for Lyon County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 64.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Overview
Lyon County in Kentucky covers 3 ZIP codes with an average Home Safety Score of B (70/100).
1 of 3 ZIP codes have recorded EPA violations. 4 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.