WaterQ
Kentucky State Report All States
Official Status: March 2026

Is Lexington tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Lexington scores 92/100.

Safety Score
92
out of 100

Still not sure if you need a filter in Lexington?

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Lexington

Kentucky

View Kentucky state report Data updated: Mar 2026

Is Lexington tap water safe to drink?

Mostly yes — Lexington scores 92/100. This report aggregates EPA drinking water data across 1 local system in Lexington. We found 0 total violations (0 unresolved).

Real-Time Environment

Live: 03:30 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Lexington.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Lexington?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Should you buy a water purifier in Lexington? See our analysis.

Baby Formula Safety

Is Lexington tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Lexington, water quality is a key factor in long-term property maintenance. The high safety score (92/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Nitrate levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Lexington

0
Violations (5yr)
0
Unresolved
8
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Lexington.

Frequently Asked Questions

Is Lexington tap water safe to drink?

Mostly yes — Lexington scores 92/100.

How many water systems serve Lexington?

Lexington is served by 1 public water system in our latest EPA-backed dataset.

How can I check water quality for my exact address in Lexington?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Lexington.

What is the water quality score for Lexington?

The water quality score for Lexington is 92 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Lexington?

The top contaminants detected in Lexington include Nitrate, Haloacetic Acids (HAA5), Uranium. View detailed information on our contaminants page.

Water Quality Score
92/100
Grade
A
Water Systems
3
Population
302,599

Lexington Water Quality Summary

Lexington, KY receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Lexington's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Lexington's score of 92 is 26 points above the Kentucky state average of 66, and above the nationwide average of roughly 78/100 across all U.S. states.

Prospective homebuyers and residents of this large Kentucky city can feel confident in the local tap water, which consistently earns an exemplary rating for safety and purity. A trio of water systems manages the supply, successfully maintaining these high standards despite the regional challenges of legacy coal mining in the eastern counties. This strong performance ensures that households throughout the bluegrass and Appalachian region enjoy reliable water infrastructure, making Lexington a reassuring place to settle.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Kentucky water quality rankings report →

Key Contaminants

Nitrate
8.1425 / 10 mg/L
0 mg/L MCL: 10 mg/L
Haloacetic Acids (HAA5)
23.4431 / 60 μg/L
0 μg/L MCL: 60 μg/L
Uranium
8.7142 / 30 μg/L
0 μg/L MCL: 30 μg/L
Fluoride
1.0276 / 4 mg/L
0 mg/L MCL: 4 mg/L
Chloramine
0.8987 / 4 mg/L
0 mg/L MCL: 4 mg/L
Perchlorate
11.9567 / 56 μg/L
0 μg/L MCL: 56 μg/L
Tetrachloroethylene (PCE)
0.9027 / 5 μg/L
0 μg/L MCL: 5 μg/L
Trichloroethylene (TCE)
0.613 / 5 μg/L
0 μg/L MCL: 5 μg/L

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Water Systems Serving Lexington (1)

Related

Compare Lexington water quality: View all states · Contaminant library · How we score water quality