Physical & aggregate · 2025
TOC in James City County, VA tap water
James City County, VA's 2025 report shows TOC detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Range of Individual Test Results Low | 0.53–1.82 | None set |
Maximum Max Conc | 1.22 | None set |
Range System-wide | 0.53–1.82 | None set |
Reported level System-wide | 1.22 | None set |
Verbatim from James City County, VA's 2025 Consumer Confidence Report — source document ↗
About TOC
Total organic carbon — a measure of organic material dissolved in the water.
Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.
How James City County, VA compares
5 of the 211 systems measuring TOC on The Water Map have it at or above the federal limit:
Nearby systems also reporting TOC:
People also ask
+Is there TOC in James City County, VA tap water?
Yes — James City County, VA's 2025 Consumer Confidence Report lists TOC at 0.53–1.82. James City County, VA's 2025 report shows TOC detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for TOC in drinking water?
The EPA has not set an enforceable federal limit for TOC. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is TOC?
Total organic carbon — a measure of organic material dissolved in the water. Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.
+Which other U.S. cities have TOC over the federal limit?
5 of the 211 systems on The Water Map measuring TOC report it at or above the federal limit. Examples include Kansas City, KS, Centennial, CO, Gilbert, AZ.
+Where does this TOC measurement come from?
This page reproduces the TOC 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.