Metals · 2023
Copper in City of Redwood City — Redwood City, Ca, CA tap water
City of Redwood City — Redwood City, Ca, CA's 2023 Copper measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
90th percentile At the tap | 47 ug/L | None set |
Range At the tap | 0–58 ug/L | None set |
Verbatim from City of Redwood City — Redwood City, Ca, 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 City of Redwood City — Redwood City, Ca, CA compares
5 of the 1330 systems measuring Copper on The Water Map have it at or above the federal limit:
Nearby systems also reporting Copper:
People also ask
+Is there Copper in City of Redwood City — Redwood City, Ca, CA tap water?
Yes — City of Redwood City — Redwood City, Ca, CA's 2023 Consumer Confidence Report lists Copper at 47 ug/L. City of Redwood City — Redwood City, Ca, CA's 2023 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.
+Which other U.S. cities have Copper over the federal limit?
5 of the 1330 systems on The Water Map measuring Copper report it at or above the federal limit. Examples include Atascadero State Hospital — Atascadero, Ca, CA, Gramercy, MD, White Fence Farms Mwc No.3 — Lancaster, Ca, CA.
+Where does this Copper measurement come from?
This page reproduces the Copper entry from the 2023 Consumer Confidence Report published by the City of Redwood City — Redwood City, Ca, 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/redwood-city-redwood-city-ca/2023/source.