Metals · 2024

Copper in Rancho Cucamonga, CA tap water

Within the federal limit· 0.1× the limit

Rancho Cucamonga, CA's 2024 Copper measurement is below the federal limit.

The measurement

StatisticValue
90th percentile
System-wide
0.13 mg/L

Verbatim from Rancho Cucamonga, CA's 2024 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 Rancho Cucamonga, CA compares

Nearby systems also reporting Copper:

People also ask

+Is there Copper in Rancho Cucamonga, CA tap water?

Yes — Rancho Cucamonga, CA's 2024 Consumer Confidence Report lists Copper at 0.13 mg/L. Rancho Cucamonga, CA's 2024 Copper measurement is below the federal limit.

+What's the federal limit for Copper in drinking water?

The EPA has not set an enforceable federal limit for Copper. Utilities still report any measured levels in their annual Consumer Confidence Report.

+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 2024 Consumer Confidence Report published by the Rancho Cucamonga, 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/rancho-cucamonga/2024/source.

Full report
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