Metals · 2025
Copper in City of Poquoson, VA tap water
City of Poquoson, VA's 2025 report shows Copper detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Max Conc | 0.053 mg/L | 1.3 mg/L Action level |
Range Range of Individual Test Results Low | 0.012–0.163 mg/L | 0 mg/L MCLG |
Maximum Max Conc | 0.097 mg/L | 1.3 mg/L Action level |
Range System-wide | 0.016–0.031 mg/L | 1.3 mg/L Action level |
Reported level System-wide | 0.105 mg/L | 0 mg/L MCLG |
Range System-wide | 0.012–0.163 mg/L | 1.3 mg/L Action level |
Range System-wide | 0.016–0.031 mg/L | 1.3 mg/L MCLG |
Maximum Max Detected Level | 0.053 mg/L | 1.3 mg/L MCLG |
Verbatim from City of Poquoson, VA'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 City of Poquoson, VA compares
5 of the 392 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 Poquoson, VA tap water?
Yes — City of Poquoson, VA's 2025 Consumer Confidence Report lists Copper at 0.012–0.163 mg/L. City of Poquoson, VA's 2025 report shows Copper detected, but the EPA has not set an enforceable federal limit for it.
+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.
+Which other U.S. cities have Copper over the federal limit?
5 of the 392 systems on The Water Map measuring Copper report it at or above the federal limit. Examples include Town of Denton, MD, Oxnard, CA, High Point, NC.
+Where does this Copper measurement come from?
This page reproduces the Copper entry from the 2025 Consumer Confidence Report published by the City of Poquoson, VA 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/va/poquoson/2025/source.