COUNTY REPORT KY

Muhlenberg County, Kentucky

12 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-04

Based on current EPA data, Muhlenberg County's 12 ZIP codes reflect fair but mixed water safety.

How Muhlenberg County Compares

Muhlenberg County60/100
Kentucky avg61/100
National avg68/100

How Muhlenberg County Compares

C
County Grade
60/100
Avg Safety Score
12
ZIP Codes
6
Water Systems

Muhlenberg County scores 1 points below the Kentucky state average (61/100) and 8 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

C
County Grade
60
Avg Safety Score
12
ZIP Codes
Best ZIP: 42337 (76/100)
Lowest ZIP: 42374 (53/100)
$119K
Median Home Value
$1,067
Avg Remediation (90% of home value)

ZIP Code Risk Map

Water Quality Map: Muhlenberg County, Kentucky

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Estimated additional annual cost per homeowner: $748, driven primarily by energy_code_gap

Infrastructure: 0.368% avg pipe failure probability, 17% of ZIPs at high risk

65.9% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

→ Stable trend

EPA violation counts by year across Muhlenberg County water systems. Health-based shown in red, total in blue.

2021
24 (24 health)
2022
8 (8 health)
2024
30 (30 health)
2025
2 (2 health)

Peak year: 2024 with 30 violations. Past 5 years: 64 total (64 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

Infrastructure Overview

1974
Median Build Year
65.9%
Pre-1978 Housing
37%
Pipe Failure Probability
17%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $748

Energy Code Gap $473/yr
Water / Lead $192/yr
Flood $83/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

12,479 housing units in Muhlenberg County

Pre-1940 10%
1940–1959 12%
1960–1979 35%
1980–1999 25%
2000+ 17%

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 Muhlenberg County

$119K
Median Home Value
$1,067
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Muhlenberg 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 Muhlenberg County ranked by EPA violation count.

# Water System Population Violations
1 DRAKESBORO WATER DEPARTMENT 888 14
2 Muhlenberg Company Water District 16,845 14
3 Butler County Water System Inc. 14,256 14
4 Greenville Utilities Commission 5,649 10
5 Muhlenberg Company Water District #3 7,075 0

6 total water systems serve Muhlenberg County.

All ZIP Codes in Muhlenberg County

12 ZIP codes tracked in Muhlenberg County.

# ZIP Code City Safety Score Grade Violations Home Value
1 42337 Drakesboro 76 B 4 (4 health) $72K
2 42330 Central City 75 B 0 $140K
3 42325 Bremen 72 B 0 $138K
4 42345 Greenville 67 C 10 (8 health) $132K
5 42321 Beech Creek 53 D 0 $85K
6 42323 Beechmont 53 D 0 $169K
7 42324 Belton 53 D 0 $115K
8 42326 Browder 53 D 0 $157K
9 42332 Cleaton 53 D 0
10 42367 Powderly 53 D 0 $101K
11 42369 Rockport 53 D 0 $78K
12 42374 South Carrollton 53 D 0 $119K

Recommended Buyer Guides for Muhlenberg County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Muhlenberg County in Kentucky covers 12 ZIP codes with an average Home Safety Score of C (60/100).

2 of 12 ZIP codes have recorded EPA violations. 12 health-based violations have been documented.

← Back to Kentucky water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Muhlenberg County?
Muhlenberg County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Muhlenberg County?
Muhlenberg County is served by 6 public water systems that supply drinking water to residents across 12 ZIP codes.
What is the biggest environmental risk in Muhlenberg County?
The primary environmental risk factor in Muhlenberg County is energy_code_gap. This contributes to an estimated additional annual cost of $748 per homeowner.
How old are homes in Muhlenberg County?
The median home build year in Muhlenberg County is 1974. 65.9% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Muhlenberg County compare to Kentucky?
Muhlenberg County has an average water safety score of 60/100, which is below the Kentucky state average of 61/100.

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