Butler County, Kentucky
11 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Compared to top-scoring counties, Butler County's 11 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Butler County Compares
How Butler County Compares
Butler County scores 4 points below the Kentucky state average (61/100) and 11 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Butler 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: $512, driven primarily by energy_code_gap
Infrastructure: 0.317% avg pipe failure probability
55.1% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Butler County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 12 violations. Past 5 years: 20 total (20 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: $512
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,376 housing units in Butler 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 Butler County
Remediation costs are relatively manageable for most homeowners in Butler 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 Butler County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | MORGANTOWN WATER SYSTEM | 2,628 | 1 |
| 2 | Butler County Water System Inc. | 14,256 | 1 |
| 3 | WARREN COUNTY WATER DISTRICT | 91,118 | 0 |
| 4 | ALLEN COUNTY WATER DISTRICT | 16,398 | 0 |
| 5 | Simpson County Water District | 8,946 | 0 |
8 total water systems serve Butler County.
All ZIP Codes in Butler County
11 ZIP codes tracked in Butler County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 42261 | Morgantown | 69 | C | 1 (1 health) | $107K |
| 2 | 42122 | Alvaton | 63 | C | 0 | $294K |
| 3 | 42170 | Woodburn | 63 | C | 0 | $307K |
| 4 | 42273 | Rochester | 63 | C | 0 | — |
| 5 | 42201 | Aberdeen | 55 | C | 0 | — |
| 6 | 42128 | Drake | 53 | D | 0 | — |
| 7 | 42159 | Oakland | 53 | D | 0 | $263K |
| 8 | 42219 | Dunbar | 53 | D | 0 | — |
| 9 | 42252 | Jetson | 53 | D | 0 | — |
| 10 | 42288 | Woodbury | 53 | D | 0 | — |
| 11 | 42333 | Cromwell | 53 | D | 0 | $74K |
Recommended Buyer Guides for Butler County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 55.1% of homes built before 1978
Deep Dive Reports
Detailed analysis for Butler County, Kentucky
Overview
Butler County in Kentucky covers 11 ZIP codes with an average Home Safety Score of C (57/100).
1 of 11 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.