Disinfection byproducts · 2024
HAA5 in Columbia, SC tap water
Columbia, SC's 2024 Consumer Confidence Report shows HAA5 at or above the federal limit. Measured value is 1.1× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level System-wide | 29 ug/L | None set |
Range System-wide | 11–65 ug/L | None set |
Verbatim from Columbia, SC's 2024 Consumer Confidence Report — source document ↗
About HAA5
Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.
Long-term exposure above the federal limit is associated with an increased cancer risk.
How Columbia, SC compares
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People also ask
+Is there HAA5 in Columbia, SC tap water?
Yes — Columbia, SC's 2024 Consumer Confidence Report lists HAA5 at 11–65 ug/L. Columbia, SC's 2024 Consumer Confidence Report shows HAA5 at or above the federal limit. Measured value is 1.1× the threshold.
+What's the federal limit for HAA5 in drinking water?
The EPA has not set an enforceable federal limit for HAA5. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is HAA5?
Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. Long-term exposure above the federal limit is associated with an increased cancer risk.
+Where does this HAA5 measurement come from?
This page reproduces the HAA5 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.