Disinfection byproducts · 2024
HAA5 in Baton Rouge, LA tap water
Baton Rouge, LA's 2024 HAA5 measurement is below the federal limit of 60 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Sample Point | 14061 ug/L | 60 ug/L MCL |
Range Range of Detects | 0.42–1.16 ug/L | 60 ug/L MCL |
Reported level Sample Point | 40250 ug/L | 60 ug/L MCL |
Reported level Sample Point | 9526 ug/L | 60 ug/L MCL |
Range Range of Detects | 2.7–4.3 ug/L | 60 ug/L MCL |
Running annual avg System-wide | 4 ug/L | 60 ug/L MCL |
Running annual avg System-wide | 1 ug/L | 60 ug/L MCL |
Running annual avg System-wide | 2 ug/L | 60 ug/L MCL |
Range Range of Detects | 0–0.68 ug/L | 60 ug/L MCL |
Range Range of Detects | 0.58–1.3 ug/L | 60 ug/L MCL |
Running annual avg System-wide | 1 ug/L | 60 ug/L MCL |
Verbatim from Baton Rouge, LA'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 Baton Rouge, LA compares
5 of the 377 systems measuring HAA5 on The Water Map have it at or above the federal limit:
Nearby systems also reporting HAA5:
People also ask
+Is there HAA5 in Baton Rouge, LA tap water?
Yes — Baton Rouge, LA's 2024 Consumer Confidence Report lists HAA5 at 4 ug/L. Baton Rouge, LA's 2024 HAA5 measurement is below the federal limit of 60 ug/L (MCL).
+What's the federal limit for HAA5 in drinking water?
The federal MCL for HAA5 is 60 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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.
+Which other U.S. cities have HAA5 over the federal limit?
5 of the 377 systems on The Water Map measuring HAA5 report it at or above the federal limit. Examples include Albuquerque, NM, Columbus, OH, Hollywood, FL.
+Where does this HAA5 measurement come from?
This page reproduces the HAA5 entry from the 2024 Consumer Confidence Report published by the Baton Rouge, LA 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/la/baton-rouge/2024/source.