Metals · 2023
Copper in Signal Hill - City, Water Dept., CA tap water
Signal Hill - City, Water Dept., CA's 2023 Copper measurement is below the federal limit of 1.3 mg/L (Action level).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
90th percentile DISTRIBUTION SYSTEM 90%ile (j) | 0.2 mg/L | 1.3 mg/L Action level |
Verbatim from Signal Hill - City, Water Dept., CA's 2023 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.
How Signal Hill - City, Water Dept., CA compares
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People also ask
+Is there Copper in Signal Hill - City, Water Dept., CA tap water?
Yes — Signal Hill - City, Water Dept., CA's 2023 Consumer Confidence Report lists Copper at 0.2 mg/L. Signal Hill - City, Water Dept., CA's 2023 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 2023 Consumer Confidence Report published by the Signal Hill - 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/signal-hill-city-water-dept/2023/source.