Disinfectants · 2024
Chloramine in Boston, MA tap water
Boston, MA's 2024 Chloramine measurement is below the federal limit of 4 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 0.04–3.85 mg/L | 4 mg/L MCL |
Average System-wide | 1.94 mg/L | 4 mg/L MCL |
Verbatim from Boston, MA's 2024 Consumer Confidence Report — source document ↗
About Chloramine
A longer-lasting disinfectant made by combining chlorine with ammonia.
Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.
How Boston, MA compares
5 of the 106 systems measuring Chloramine on The Water Map have it at or above the federal limit:
Nearby systems also reporting Chloramine:
People also ask
+Is there Chloramine in Boston, MA tap water?
Yes — Boston, MA's 2024 Consumer Confidence Report lists Chloramine at 1.94 mg/L. Boston, MA's 2024 Chloramine measurement is below the federal limit of 4 mg/L (MCL).
+What's the federal limit for Chloramine in drinking water?
The federal MCL for Chloramine 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 Chloramine?
A longer-lasting disinfectant made by combining chlorine with ammonia. Holds disinfection further into the pipe network, but is regulated under the same residual-disinfectant cap as chlorine.
+Which other U.S. cities have Chloramine over the federal limit?
5 of the 106 systems on The Water Map measuring Chloramine report it at or above the federal limit. Examples include Hollywood, FL, Centennial, CO, Pueblo, CO.
+Where does this Chloramine measurement come from?
This page reproduces the Chloramine entry from the 2024 Consumer Confidence Report published by the Boston, MA 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/ma/boston/2024/source.