Tap Water Quality in Louisville, KY
Find out what's in your drinking water. Enter your ZIP code below for a detailed water quality report for Louisville, Kentucky.
Try 40202 for Louisville
Louisville Drinking Water Overview
Population: ~630,000 | Source: Ohio River
Louisville Water Company draws from the Ohio River, treating water for over 900,000 customers. The Ohio receives industrial and municipal discharges from Pittsburgh, Cincinnati, and numerous other cities upstream. Louisville's Crescent Hill treatment plant uses advanced filtration and is considered one of the best-run utilities in the nation.
Common water quality concerns in Louisville
Industrial discharges upstream
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Disinfection byproducts
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Lead in older homes
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PFAS
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What's in your Louisville water report
Contaminant levels
Every detected contaminant in your Louisville water system, compared to EPA limits and health guidelines.
Violation history
All EPA violations on record for water systems serving Louisville, including health-based and monitoring violations.
Water quality grade
An A through F grade based on violation history, contaminant levels, and health guideline comparisons.
Filter recommendations
Which type of water filter will actually remove the contaminants found in your specific water system.
Water quality in nearby cities
Check your Louisville water now
Enter your ZIP code for a free water quality report specific to your water system in Louisville, Kentucky.