Disinfectants · 2025
Chlorine in City of Poquoson, VA tap water
City of Poquoson, VA's 2025 Consumer Confidence Report shows Chlorine at or above the federal limit (4 mg/L MCLG). Measured value is 1.4× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level System-wide | 3.3 mg/L | 4 mg/L MCLG |
Range Range of Individual Test Results Low | 0–5.4 mg/L | 4 mg/L MCLG |
Maximum Max Conc | 3.3 | 4 MCLG |
Range System-wide | 0–5.4 | 4 MCLG |
Maximum Max Detected Level | 1.43 mg/L | 4 mg/L MRDLG |
Range System-wide | 0.5–1.8 mg/L | 4 mg/L MRDLG |
Range System-wide | 0.5–1.8 | 4 MCLG |
Highest single sample Max Conc | 1.43 | 4 MCLG |
Verbatim from City of Poquoson, VA's 2025 Consumer Confidence Report — source document ↗
About Chlorine
A disinfectant added to drinking water to kill bacteria and viruses.
Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.
How City of Poquoson, VA compares
5 of the 298 systems measuring Chlorine on The Water Map have it at or above the federal limit:
Nearby systems also reporting Chlorine:
People also ask
+Is there Chlorine in City of Poquoson, VA tap water?
Yes — City of Poquoson, VA's 2025 Consumer Confidence Report lists Chlorine at 0–5.4 mg/L. City of Poquoson, VA's 2025 Consumer Confidence Report shows Chlorine at or above the federal limit (4 mg/L MCLG). Measured value is 1.4× the threshold.
+What's the federal limit for Chlorine in drinking water?
The federal MCLG for Chlorine is 4 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Chlorine?
A disinfectant added to drinking water to kill bacteria and viruses. Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.
+Which other U.S. cities have Chlorine over the federal limit?
5 of the 298 systems on The Water Map measuring Chlorine report it at or above the federal limit. Examples include Pittsburgh, PA, Columbus, OH, Albuquerque, NM.
+Where does this Chlorine measurement come from?
This page reproduces the Chlorine 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.