Metals · 2023
Copper in Western MWD — Riverside, Ca, CA tap water
Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report shows Copper at or above the federal limit (1.3 mg/L Action level). Measured value is 1.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Action Level @ 90th Percentile | 1.3 mg/L | 1.3 mg/L Action level |
Reported level California Public Health Goal (PHG) | 0.3 mg/L | 1.3 mg/L Action level |
Reported level Detection Limits for Purposes of Reporting (DLR) | 0.05 mg/L | 1.3 mg/L Action level |
Reported level 90th Percentile Value | 0.26 mg/L | 1.3 mg/L Action level |
Reported level # Of Homes Over Action Level | 0 mg/L | 1.3 mg/L Action level |
Reported level 90th Percentile Value | 0.15 mg/L | 1.3 mg/L Action level |
Reported level # Of Homes Over Action Level | 0 mg/L | 1.3 mg/L Action level |
Reported level 90th Percentile Value | 0.19 mg/L | 1.3 mg/L Action level |
Reported level # Of Homes Over Action Level | 0 mg/L | 1.3 mg/L Action level |
Verbatim from Western MWD — Riverside, 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 Western MWD — Riverside, Ca, CA compares
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People also ask
+Is there Copper in Western MWD — Riverside, Ca, CA tap water?
Yes — Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report lists Copper at 1.3 mg/L. Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report shows Copper at or above the federal limit (1.3 mg/L Action level). Measured value is 1.0× the threshold.
+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 Western MWD — Riverside, 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/western-mwd-riverside-ca/2023/source.