Metals · 2025

Copper in Escondido, City of, CA tap water

Within the federal limit· 0.0× the limit

Escondido, City of, CA's 2025 Copper measurement is below the federal limit of 1000 UG/L (MCL).

The measurement

StatisticValue
Average
Other
5.7 UG/L
Highest single sample
Source water
Not detected UG/L
Highest single sample
Entry point
Not detected UG/L
Highest single sample
Other
5.7 UG/L

Verbatim from Escondido, City of, CA's 2025 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 Escondido, City of, CA compares

5 of the 442 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 Escondido, City of, CA tap water?

Yes — Escondido, City of, CA's 2025 Consumer Confidence Report lists Copper at 5.7 UG/L. Escondido, City of, CA's 2025 Copper measurement is below the federal limit of 1000 UG/L (MCL).

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

The federal MCL for Copper is 1000 UG/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.

+Which other U.S. cities have Copper over the federal limit?

5 of the 442 systems on The Water Map measuring Copper report it at or above the federal limit. Examples include Town of Denton, MD, High Point, NC, Anchorage, AK.

+Where does this Copper measurement come from?

This page reproduces the Copper entry from the 2025 Consumer Confidence Report published by the Escondido, City of, 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/escondido/2025/source.

Full report
All Escondido, City of, CA water-quality data →
Every contaminant measured in the 2025 report.
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