Metals · 2025
Lead in Pomona - City, Water Dept., CA tap water
Pomona - City, Water Dept., CA's 2025 Lead measurement is below the federal limit of 15 UG/L (Al).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Distribution | 0.9419298245614035 UG/L | None set |
Highest single sample Entry point | 0.71 UG/L | None set |
Highest single sample Source water | Not detected UG/L | None set |
Highest single sample Distribution | 5.1 UG/L | None set |
Average Entry point | 0.296 UG/L | None set |
90th percentile Distribution | 2.14 UG/L | 15 UG/L Al |
Verbatim from Pomona - City, Water Dept., CA's 2025 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 Pomona - City, Water Dept., CA compares
5 of the 433 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 Pomona - City, Water Dept., CA tap water?
Yes — Pomona - City, Water Dept., CA's 2025 Consumer Confidence Report lists Lead at 2.14 UG/L. Pomona - City, Water Dept., CA's 2025 Lead measurement is below the federal limit of 15 UG/L (Al).
+What's the federal limit for Lead in drinking water?
The federal Al for Lead is 15 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 433 systems on The Water Map measuring Lead report it at or above the federal limit. Examples include Santa Rosa, CA, Atlanta, GA, City of San Jacinto, CA.
+Where does this Lead measurement come from?
This page reproduces the Lead entry from the 2025 Consumer Confidence Report published by the Pomona - City, Water Dept., CA 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/ca/pomona-city-water-dept/2025/source.