Johnson County, Kentucky
17 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-03
Based on current EPA data, Johnson County's 17 ZIP codes reflect fair but mixed water safety.
How Johnson County Compares
How Johnson County Compares
Johnson County scores 2 points below the Kentucky state average (61/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Johnson 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: $968, driven primarily by flood
Infrastructure: 0.278% avg pipe failure probability
48.5% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Johnson County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 6 violations. Past 5 years: 11 total (11 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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: $968
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
10,416 housing units in Johnson 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 Johnson County
Remediation costs are relatively manageable for most homeowners in Johnson 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 4 systems in Johnson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | PAINTSVILLE MUNICIPAL WATER WORKS | 24,354 | 0 |
| 2 | Big Sandy Water District | 13,044 | 0 |
| 3 | RATTLESNAKE RIDGE WATER DISTRICT | 11,397 | 0 |
| 4 | PRESTONSBURG CITY UTILITIES | 26,788 | 0 |
All ZIP Codes in Johnson County
17 ZIP codes tracked in Johnson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 41240 | Paintsville | 73 | B | 0 | $160K |
| 2 | 41124 | Blaine | 63 | C | 0 | $83K |
| 3 | 41234 | Meally | 63 | C | 0 | $174K |
| 4 | 41255 | Sitka | 63 | C | 0 | — |
| 5 | 41260 | Thelma | 63 | C | 0 | $126K |
| 6 | 41263 | Tutor Key | 63 | C | 0 | $117K |
| 7 | 41268 | West Van Lear | 63 | C | 0 | $135K |
| 8 | 41271 | Williamsport | 63 | C | 0 | $61K |
| 9 | 41274 | Wittensville | 63 | C | 0 | — |
| 10 | 41216 | East Point | 55 | C | 0 | $129K |
| 11 | 41219 | Flatgap | 55 | C | 0 | $104K |
| 12 | 41222 | Hagerhill | 55 | C | 0 | $115K |
| 13 | 41256 | Staffordsville | 55 | C | 0 | $269K |
| 14 | 41204 | Boons Camp | 53 | D | 0 | $106K |
| 15 | 41232 | Lowmansville | 53 | D | 0 | $87K |
| 16 | 41254 | River | 53 | D | 0 | — |
| 17 | 41257 | Stambaugh | 53 | D | 0 | $178K |
Recommended Buyer Guides for Johnson County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- 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 Johnson County, Kentucky
Overview
Johnson County in Kentucky covers 17 ZIP codes with an average Home Safety Score of C (59/100).
No EPA violations recorded across any tracked ZIP codes in Johnson County.
← 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.