Disinfectants · 2024
Chloramine in Columbia, SC tap water
Columbia, SC's 2024 Consumer Confidence Report shows Chloramine at or above the federal limit (4 MCL). Measured value is 1.1× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level System-wide | 2.7 | 4 MCL |
Range System-wide | 0.01–4.3 | 4 MCL |
Verbatim from Columbia, SC'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 Columbia, SC 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 Columbia, SC tap water?
Yes — Columbia, SC's 2024 Consumer Confidence Report lists Chloramine at 0.01–4.3. Columbia, SC's 2024 Consumer Confidence Report shows Chloramine at or above the federal limit (4 MCL). Measured value is 1.1× the threshold.
+What's the federal limit for Chloramine in drinking water?
The federal MCL for Chloramine is 4 . 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 Columbia, SC 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/sc/columbia/2024/source.