Disinfection byproducts · 2025
Chloroform in City of Poquoson, VA tap water
City of Poquoson, VA's 2025 report shows Chloroform detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum Max Conc | 1.8 ug/L | None set |
Range System-wide | 1.2–1.8 ug/L | None set |
Range System-wide | 1.2–1.8 ug/L | None set |
Maximum Max Detected Level | 1.8 ug/L | None set |
Average System-wide | 3 ug/L | None set |
Range System-wide | 2.4–3.5 ug/L | None set |
Verbatim from City of Poquoson, VA's 2025 Consumer Confidence Report — source document ↗
About Chloroform
A trihalomethane formed when chlorine reacts with organic matter in water.
A component of regulated total trihalomethanes; long-term exposure is linked to liver and kidney effects.
How City of Poquoson, VA compares
1 of the 56 systems measuring Chloroform on The Water Map have it at or above the federal limit:
Nearby systems also reporting Chloroform:
People also ask
+Is there Chloroform in City of Poquoson, VA tap water?
Yes — City of Poquoson, VA's 2025 Consumer Confidence Report lists Chloroform at 3 ug/L. City of Poquoson, VA's 2025 report shows Chloroform detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Chloroform in drinking water?
The EPA has not set an enforceable federal limit for Chloroform. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Chloroform?
A trihalomethane formed when chlorine reacts with organic matter in water. A component of regulated total trihalomethanes; long-term exposure is linked to liver and kidney effects.
+Which other U.S. cities have Chloroform over the federal limit?
1 of the 56 systems on The Water Map measuring Chloroform report it at or above the federal limit. Examples include Pomona, CA.
+Where does this Chloroform measurement come from?
This page reproduces the Chloroform 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.