Question 1

Is Louisville tap water safe to drink?

Accepted Answer

Louisville's water meets all EPA maximum contaminant levels. However, 2 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

Question 2

What contaminants are in Louisville tap water?

Accepted Answer

2 contaminants have been detected in Louisville's water supply across 6 water systems. See the full contaminant table above for details.

Question 3

How can I improve my water quality in Louisville?

Accepted Answer

Install a water filter rated for the specific contaminants found in Louisville's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Question 4

Does Louisville have any water quality violations?

Accepted Answer

Yes, Louisville currently has 40 active violations. See the violations section above for details.

Contaminant	Detected Level	EPA Limit (MCL)	Health Guideline	% of Limit	Status
lithium	9.0	No federal limit	10.0 ug/L(EPA/USGS HBSL)	90%	Near guideline
PFPeA	0.003	No federal limit	1000.0 ug/L(EWG)	0%	Below guideline

Louisville, Ohio Water Quality Report

Water Source

Detected Contaminants

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Compliance & Violations

Active Violations (40)

Resolved Violations (302)

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