Metals · 2025
Copper in James City County, VA tap water
James City County, 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 |
|---|---|---|
Maximum Max Detected Level | 0.053 mg/L | 1.3 mg/L MCLG |
Range System-wide | 0.016–0.031 mg/L | 1.3 mg/L MCLG |
90th percentile Max Conc | 0.053 % | 1.3 % Action level |
Reported level System-wide | 0.105 mg/L | 0 mg/L MCLG |
Maximum Max Detected Level | 0.053 mg/L | 1.3 mg/L MCLG |
Range System-wide | 0.016–0.031 mg/L | 1.3 mg/L MCLG |
90th percentile Max Conc | 0.053 % | 1.3 % Action level |
Range System-wide | 0.012–0.163 mg/L | 1.3 mg/L Action level |
Reported level System-wide | 0.105 mg/L | 0 mg/L MCLG |
Maximum Max Conc | 0.097 % | 1.3 % Action level |
Range Range of Individual Test Results Low | 0.012–0.163 mg/L | 0 mg/L MCLG |
Range System-wide | 0.012–0.163 mg/L | 1.3 mg/L Action level |
Maximum Max Conc | 0.097 % | 1.3 % Action level |
Range Range of Individual Test Results Low | 0.012–0.163 mg/L | 0 mg/L MCLG |
Verbatim from James City County, 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 James City County, VA compares
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People also ask
+Is there Copper in James City County, VA tap water?
Yes — James City County, VA's 2025 Consumer Confidence Report lists Copper at 0.053 %. James City County, 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 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.
+Where does this Copper measurement come from?
This page reproduces the Copper entry from the 2025 Consumer Confidence Report published by the James City County, 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/james-city-county/2025/source.