Louisville, Kentucky Water Quality Report
Water quality data for 5 water systems serving 770,786 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| PFBS | 0.003 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHxA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFOA | 0.007 | 0.004 ug/L | 0.090 ug/L(EWG) | 188% | Above limit |
| PFPeA | 0.004 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Resolved Violations (500)
4G
Oct 17, 2024
2E
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
4G
Oct 17, 2024
+ 495 more resolved violations
Frequently Asked Questions
Is Louisville tap water safe to drink?
Louisville's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Louisville tap water?
4 contaminants have been detected in Louisville's water supply across 5 water systems. See the full contaminant table above for details.
How can I improve my water quality in Louisville?
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.
Does Louisville have any water quality violations?
Yes, Louisville currently has 478 active violations. See the violations section above for details.