Fayette County, Kentucky
38 ZIP codes · Avg score 54/100 · Grade D · Updated 2026-06-03
Fayette County's 38 ZIP codes show a poor compliance record — repeated MCL exceedances have kept the county in the bottom tier for water safety.
How Fayette County Compares
How Fayette County Compares
Fayette County scores 7 points below the Kentucky state average (61/100) and 14 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Fayette 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: $543, driven primarily by flood
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $543
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Fayette County
Remediation costs are relatively manageable for most homeowners in Fayette 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 Fayette County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Kentucky-american Water Company | 299,501 | 0 |
| 2 | Kentucky American Water - Eastern Rockca | 1,732 | 0 |
| 3 | Kentucky American Water- Millersburg | 1,366 | 0 |
| 4 | Jessamine S Elkhorn Water District | 8,826 | 0 |
| 5 | Ne Woodford Company Water District | 2,644 | 0 |
8 total water systems serve Fayette County.
All ZIP Codes in Fayette County
38 ZIP codes tracked in Fayette County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 40507 | Lexington | 60 | C | 0 | $391K |
| 2 | 40508 | Lexington | 60 | C | 0 | $175K |
| 3 | 40509 | Lexington | 60 | C | 0 | $338K |
| 4 | 40510 | Lexington | 60 | C | 0 | $725K |
| 5 | 40513 | Lexington | 60 | C | 0 | $448K |
| 6 | 40514 | Lexington | 60 | C | 0 | $290K |
| 7 | 40524 | Lexington | 60 | C | 0 | — |
| 8 | 40574 | Lexington | 60 | C | 0 | — |
| 9 | 40502 | Lexington | 55 | C | 0 | $484K |
| 10 | 40505 | Lexington | 55 | C | 0 | $166K |
| 11 | 40511 | Lexington | 55 | C | 0 | $233K |
| 12 | 40517 | Lexington | 55 | C | 0 | $196K |
| 13 | 40506 | Lexington | 53 | D | 0 | — |
| 14 | 40512 | Lexington | 53 | D | 0 | — |
| 15 | 40522 | Lexington | 53 | D | 0 | — |
| 16 | 40523 | Lexington | 53 | D | 0 | — |
| 17 | 40526 | Lexington | 53 | D | 0 | — |
| 18 | 40533 | Lexington | 53 | D | 0 | — |
| 19 | 40536 | Lexington | 53 | D | 0 | — |
| 20 | 40544 | Lexington | 53 | D | 0 | — |
| 21 | 40546 | Lexington | 53 | D | 0 | — |
| 22 | 40550 | Lexington | 53 | D | 0 | — |
| 23 | 40555 | Lexington | 53 | D | 0 | — |
| 24 | 40575 | Lexington | 53 | D | 0 | — |
| 25 | 40576 | Lexington | 53 | D | 0 | — |
| 26 | 40577 | Lexington | 53 | D | 0 | — |
| 27 | 40578 | Lexington | 53 | D | 0 | — |
| 28 | 40579 | Lexington | 53 | D | 0 | — |
| 29 | 40580 | Lexington | 53 | D | 0 | — |
| 30 | 40581 | Lexington | 53 | D | 0 | — |
| 31 | 40582 | Lexington | 53 | D | 0 | — |
| 32 | 40583 | Lexington | 53 | D | 0 | — |
| 33 | 40588 | Lexington | 53 | D | 0 | — |
| 34 | 40591 | Lexington | 53 | D | 0 | — |
| 35 | 40598 | Lexington | 53 | D | 0 | — |
| 36 | 40503 | Lexington | 50 | D | 0 | $280K |
| 37 | 40504 | Lexington | 50 | D | 0 | $209K |
| 38 | 40515 | Lexington | 50 | D | 0 | $317K |
Recommended Buyer Guides for Fayette County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in 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 Fayette County, Kentucky
Overview
Fayette County in Kentucky covers 38 ZIP codes with an average Home Safety Score of D (54/100).
No EPA violations recorded across any tracked ZIP codes in Fayette 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.
What You Can Do
Fayette County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.