Metals · 2021
Copper in Cal-am Water Company - Duarte, CA tap water
Cal-am Water Company - Duarte, CA's 2021 Copper measurement is below the federal limit of 0.3 mg/L (MCLG).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Homes Above Action Level | 0 mg/L | 0.3 mg/L MCLG |
Reported level No. of Homes Sampled | 30 ug/L | 0.3 ug/L MCLG |
90th percentile At the tap | 0.132 mg/L | 0.3 mg/L MCLG |
Verbatim from Cal-am Water Company - Duarte, CA's 2021 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 Cal-am Water Company - Duarte, CA compares
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People also ask
+Is there Copper in Cal-am Water Company - Duarte, CA tap water?
Yes — Cal-am Water Company - Duarte, CA's 2021 Consumer Confidence Report lists Copper at 0.132 mg/L. Cal-am Water Company - Duarte, CA's 2021 Copper measurement is below the federal limit of 0.3 mg/L (MCLG).
+What's the federal limit for Copper in drinking water?
The federal MCLG for Copper is 0.3 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 2021 Consumer Confidence Report published by the Cal-am Water Company - Duarte, 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/cal-am-water-company-duarte/2021/source.