Metals · 2025
Copper in Lincoln, NE tap water
Lincoln, NE's 2025 Copper measurement is below the federal limit of 1.3 mg/L (Action level).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
90th percentile At the tap | 0.84 mg/L | 1.3 mg/L Action level |
Reported level Number of homes considered to have elevated levels | 0 mg/L | 1.3 mg/L Action level |
90th percentile At the tap | 10–990 ug/L | 1300 ug/L Action level |
Reported level Number of homes considered to have elevated levels | 10–990 ug/L | 1300 ug/L Action level |
Verbatim from Lincoln, NE's 2025 Consumer Confidence Report — source document ↗
About Copper
A metal that enters water from corroding household plumbing.
Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.
People also ask
+Is there Copper in Lincoln, NE tap water?
Yes — Lincoln, NE's 2025 Consumer Confidence Report lists Copper at 10–990 ug/L. Lincoln, NE's 2025 Copper measurement is below the federal limit of 1.3 mg/L (Action level).
+What's the federal limit for Copper in drinking water?
The federal Action level for Copper is 1.3 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Copper?
A metal that enters water from corroding household plumbing. Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.
+Where does this Copper measurement come from?
This page reproduces the Copper entry from the 2025 Consumer Confidence Report published by the Lincoln, NE 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/ne/lincoln/2025/source.