ZipCheckup grade for 42275: B.

This ZIP has a few items worth a quick check.

Your top priority: match a filter's certification to the violations (13 health-based violations). Check your ZIP → NSF certified filters

Health Violations Found
B 74

Roundhill, KY (42275): PFAS Detected in Mapped Water Systems - 74/100

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Butler County Water System Inc.)

Health Violations Found PFAS Detected

Health-based violation records by water system:

EPA records for the water systems mapped to 42275 in Roundhill, KY contain 14 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 13 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
B 74/100
Water Quality Issues 13 health-based violation records
Lead Risk Below action level 0.002 mg/L, 90th percentile, sample period ending 2024-12-31
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 13 health-based violations and 1 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.002 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
Contaminant Summary
Health Violations
14 violations 13 health-based PFAS detected
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
B
ZIP-level Home Safety model score: 74 / 100
Bottom 49% of U.S. ZIP codes
2
Water Systems
14,256
People Served
13
Health Violations (since 2021)Median is 0
Surface water
Water Source
0.002 mg/L
Reported Lead Result
Zone 2
County Radon Potential · Moderate
$196K
Median Home Value49% above state median ($131K)

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Score Breakdown

Overall Home Safety Score: 74/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
46/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
73/100
Indoor environment
50/100
Outdoor environment
100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (7) CRITICAL

Your Water System

ZIP code 42275 in Roundhill, Kentucky is mapped to the water system Butler County Water System Inc. (EPA ID: KY0160052). This system provides water to approximately 14,256 people from surface water sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Butler County Water System Inc. KY0160052 14,256 Surface water
Edmonson Company Water District KY0310114 17,848 Surface water

Other Water Quality Reports in Kentucky

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Butler County Water System Inc. (KY0160052) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →

Compliance History

2021 2022 2023 6 2024 5 2025 1
Health-based (MCL/TT) Other violations

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 42275.

Detected compounds: PFPeA.

Highest measured level: 0.0056 µg/L

Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.

📊 EPA UCMR5 · View source →
Environmental Hazards (10) MODERATE
Home & Infrastructure (6) OK
Cost & Community (8) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 42275 safe to drink?

EPA SDWIS records 14 violations since 2021 across the water systems mapped to ZIP 42275 (primary system: Butler County Water System Inc.), including 13 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 42275's water come from?

The recorded water source for Butler County Water System Inc., a system mapped to ZIP code 42275, is Surface water. This system serves approximately 14,256 people.

How does Roundhill water compare to the national average?

Roundhill's Home Safety Score ranks lower than 51% of U.S. ZIP codes, and at or above 54% within Kentucky.

How can I get my water tested in Roundhill?

If Butler County Water System Inc. supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 42275 tap water?

The Lead and Copper Rule record selected for 42275 reports a 90th-percentile lead result of 0.002 mg/L for a water system mapped to this ZIP (record date 2024-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 42275?

42275 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Butler County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

Are there PFAS (forever chemicals) in 42275's water?

Yes, PFAS have been detected in samples from water systems mapped to 42275. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

How to cite this page

APA ZipCheckup. (2026). Roundhill, KY (42275): PFAS Detected in Mapped Water Systems - 74/100. https://zipcheckup.com/report/42275/
BibTeX
@misc{zipcheckup-report-42275,
  author = {{ZipCheckup}},
  title  = {{Roundhill, KY (42275): PFAS Detected in Mapped Water Systems - 74/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/42275/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 42275

ZIP Code City, State Distance Grade Violations
42252 Jetson, KY 5.7 mi N/A 0
42285 Sweeden, KY 6.0 mi N/A 14
42210 Brownsville, KY 6.7 mi B 16
42207 Bee Spring, KY 7.6 mi N/A 14
42721 Caneyville, KY 12.0 mi N/A 15
42762 Millwood, KY 13.0 mi N/A 1
42259 Mammoth Cave, KY 13.2 mi B 14
42288 Woodbury, KY 13.5 mi N/A 0
42754 Leitchfield, KY 14.8 mi N/A 15
42201 Aberdeen, KY 15.1 mi N/A 0

Contaminants Detected in 42275

Learn more about the contaminants found in your water supply:

Overall safety breakdown

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Coverage: 13/17 risk factors Data sources →
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