Water Quality Report

Lexington, KY (40536): High Radon Potential Area

EPA data for Kentucky-american Water Company

PFAS Detected High County Radon Potential

EPA records for the water systems mapped to 40536 in Lexington, KY contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

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

Safety Score N/A

Water Quality No violations

Lead Risk Below action level Below the reporting limit, 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 No drinking-water violations in EPA records since 2021.
Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; 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 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.

Contaminant Summary

PFAS Detected

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 Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record

Water System

669,042

People Served

Health Violations (since 2021)

Surface water

Water Source

Zone 1

County Radon Potential · High

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In safety data on file for 40536 in Lexington, the high-priority tier holds 1 finding, with no critical-level conditions present.

PFAS Detected in Water Supply HIGH

PFAS ("forever chemicals") have been detected in water systems serving this ZIP code. Highest level: 0.0111 µg/L.

What to do: Consider a water filter rated for PFAS reduction (NSF/ANSI 53 or 58). See PFAS Contamination below ↓ ↓

Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance

100/100

Observed

PFAS MCL screen

Unknown

Evidence missing

EPA radon zone

0/100

Observed

Annual EPA AirData AQI

100/100

Observed

Required domains

Drinking water

Unknown

Indoor environment

0/100

Outdoor environment

100/100

Coverage: 3 of 4 components and 2 of 3 domains observed.

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

Safety & Health (7) HIGH

Your Water System

ZIP code 40536 in Lexington, Kentucky is mapped to the water system Kentucky-american Water Company (EPA ID: KY0340250). This system provides water to approximately 669,042 people from surface water sources.

Other Water Quality Reports in Kentucky

40003 (Bagdad) - 1 violation recorded for mapped water systems
40004 (Bardstown) - 8 violations recorded for mapped water systems
40006 (Bedford) - 1 violation recorded for mapped water systems
40007 (Bethlehem)
40008 (Bloomfield) - 9 violations recorded for mapped water systems
40009 (Bradfordsville)
40010 (Buckner)
40011 (Campbellsburg) - 1 violation recorded for mapped water systems
40012 (Chaplin) - 7 violations recorded for mapped water systems
40013 (Coxs Creek) - 3 violations recorded for mapped water systems
40014 (Crestwood)
40018 (Eastwood)
40019 (Eminence) - 1 violation recorded for mapped water systems
40020 (Fairfield)
40022 (Finchville)
40023 (Fisherville)
40025 (Glenview)
40026 (Goshen)
40027 (Harrods Creek)
40031 (La Grange)

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 Kentucky-american Water Company (KY0340250) on EPA.gov.

4 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 →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 40536.

Detected compounds: 6:2 FTS, PFBA, PFPeA, PFHxA, PFBS.

Highest measured level: 0.0111 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.

Learn about PFAS risks → Find a PFAS filter →

📊 EPA UCMR5 · View source →

Environmental Hazards (9) MODERATE

Home & Infrastructure (2) OK

Cost & Community (5) OK

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 40536 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 40536 (primary system: Kentucky-american Water Company), including 0 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 40536's water come from?

The recorded water source for Kentucky-american Water Company, a system mapped to ZIP code 40536, is Surface water. This system serves approximately 669,042 people.

How can I get my water tested in Lexington?

If Kentucky-american Water Company 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.

What is the radon risk for 40536?

40536 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Fayette 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 40536's water?

Yes, PFAS have been detected in samples from water systems mapped to 40536. 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). Lexington, KY (40536): High Radon Potential Area. https://zipcheckup.com/report/40536/

BibTeX

@misc{zipcheckup-report-40536,
  author = {{ZipCheckup}},
  title  = {{Lexington, KY (40536): High Radon Potential Area}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/40536/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 40536

ZIP Code	City, State	Distance	Grade
40506	Lexington, KY	<1 mi	N/A
40507	Lexington, KY	1.2 mi	C
40508	Lexington, KY	1.4 mi	C
40502	Lexington, KY	1.6 mi	C
40504	Lexington, KY	2.0 mi	C
40512	Lexington, KY	2.0 mi	N/A
40522	Lexington, KY	2.0 mi	N/A
40523	Lexington, KY	2.0 mi	N/A
40524	Lexington, KY	2.0 mi	N/A
40526	Lexington, KY	2.0 mi	N/A