Lexington, Kentucky Water Quality Report
Comprehensive water safety analysis • Updated February 2026
Lexington's water meets EPA standards, though 0 contaminant(s) are elevated above 50% of limits.
•All 3 historical violation(s) in Lexington have been resolved.
Water Safety Overview
Generally Safe. Lexington's tap water meets EPA standards. Score: 81/100.
Want to understand your score better? Learn how scores are calculated →
All Detected Contaminants
9 contaminants tested • EPA SDWIS data
| Contaminant | Level Detected | EPA Limit | % of Limit | Status |
|---|---|---|---|---|
Fluoride | 0.780 mg/L | 4.00 mg/L | 19.5% | Safe |
Haloacetic Acids | 9.36 ug/L | 60.00 ug/L | 15.6% | Safe |
Arsenic | 0.0012 mg/L | 0.010 mg/L | 12.4% | Safe |
Lead | 0.0008 mg/L | 0.015 mg/L | 5.7% | Safe |
Nitrite | 0.034 mg/L | 1.00 mg/L | 3.4% | Safe |
Copper | 0.038 mg/L | 1.30 mg/L | 2.9% | Safe |
Total Trihalomethanes | 1.49 ug/L | 80.00 ug/L | 1.9% | Safe |
Mercury | 0 mg/L | 0.0020 mg/L | 0.9% | Safe |
Chromium | 0.0007 mg/L | 0.100 mg/L | 0.7% | Safe |
Recommended Water Filters for Lexington
Based on detected contaminants
Reverse Osmosis System
Best for Lexington. Removes 95-99% of contaminants including heavy metals, PFAS, and nitrates.
- ✓ Removes lead
- ✓ Removes arsenic
- ✓ Removes total dissolved solids
Activated Carbon Filter
Good for Lexington. Removes chlorine, improves taste, and filters many organic compounds.
- ✓ Removes chlorine and chloramine
- ✓ Improves taste and odor
- ✓ Filters pesticides and VOCs
NSF 53 Lead Certification Required
Lead detected in Lexington. Ensure any filter is NSF/ANSI 53 certified for lead removal.
EPA Compliance History
Past violations for Lexington's water system
reporting
Nitrite - 2/4/2023
Resolvedreporting
Fluoride - 2/4/2022
Resolvedreporting
Copper - 2/4/2021
ResolvedWater System Information
LEXINGTON WATER SYSTEM
- PWS ID:
- KY317512
- Population Served:
- 325,871
- Water Source:
- surface
Lexington Water Quality Score
Based on EPA contaminant data and compliance records
Positive Findings
- Good overall water quality
- Most contaminants within safe limits
Protect Your Family's Water
Even with good water quality, many families choose to filter their water for extra peace of mind.
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