Metals · 2024
Copper in Rockford, IL tap water
Rockford, IL's 2024 Copper level is between 80% and 100% of the federal limit (1.3 mg/L MCLG) — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
90th percentile At the tap | 1.1 mg/L | 1.3 mg/L MCLG |
Range At the tap | 0–1.6 mg/L | 1.3 mg/L MCLG |
Verbatim from Rockford, IL'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 Rockford, IL 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 Rockford, IL tap water?
Yes — Rockford, IL's 2024 Consumer Confidence Report lists Copper at 1.1 mg/L. Rockford, IL's 2024 Copper level is between 80% and 100% of the federal limit (1.3 mg/L MCLG) — measured but not in violation.
+What's the federal limit for Copper in drinking water?
The federal MCLG 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.
+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 2024 Consumer Confidence Report published by the Rockford, IL 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/il/rockford/2024/source.