Is Tap Water Safe to Drink in Louisville?
Yes, tap water in Louisville is safe to drink and is widely regarded for its quality. Louisville Water Company was among the first major U.S. utilities to adopt granular activated carbon filtration for taste and organic contaminant removal.
Water Source
Louisville Water Company draws from the Ohio River, treating it with a multi-barrier process including granular activated carbon filtration, pioneered at scale by the utility in the 1980s.
EPA Compliance Status
Meets all federal Safe Drinking Water Act standards.
Notable Contaminants & Context
- •No significant compliance concerns
How It Compares
Louisville Water Company's early, large-scale adoption of activated carbon filtration influenced treatment practices at utilities nationwide and remains a point of civic pride.
Tips
- •Louisville's water has won numerous national taste-test awards over the years
- •Louisville Water Company publishes an annual water quality report
- •No need for bottled water around the city
Frequently Asked Questions
Sources & References
The safety rating and guidance on this page draw on the following sources. See our full methodology.
- •US EPA Safe Drinking Water Act regulations
- •EWG Tap Water Database
- •The utility's most recent Consumer Confidence Report (CCR)
- •WHO Guidelines for Drinking-water Quality