Metals · 2024
Lead in Louisville, KY tap water
Louisville, KY's 2024 report shows Lead detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 4.2 ug/L | 90 ug/L Action level |
Range At the tap | 4.2 ug/L | 0 ug/L MCLG |
90th percentile At the tap | 1.1 ug/L | 0 ug/L MCLG |
90th percentile System-wide | 1.1 ug/L | 90 ug/L Action level |
Highest single sample Single Result | 4.2 ug/L | 90 ug/L Action level |
Highest single sample Single Result | 4.2 ug/L | 0 ug/L MCLG |
Verbatim from Louisville, KY's 2024 Consumer Confidence Report — source document ↗
About Lead
A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.
There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.
How Louisville, KY compares
5 of the 393 systems measuring Lead on The Water Map have it at or above the federal limit:
Nearby systems also reporting Lead:
People also ask
+Is there Lead in Louisville, KY tap water?
Yes — Louisville, KY's 2024 Consumer Confidence Report lists Lead at 1.1 ug/L. Louisville, KY's 2024 report shows Lead detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Lead in drinking water?
The federal Action level for Lead is 90 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Lead?
A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.
+Which other U.S. cities have Lead over the federal limit?
5 of the 393 systems on The Water Map measuring Lead report it at or above the federal limit. Examples include Santa Rosa, CA, Atlanta, GA, City of Hemet, CA.
+Where does this Lead measurement come from?
This page reproduces the Lead entry from the 2024 Consumer Confidence Report published by the Louisville, KY water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ky/louisville/2024/source.