Disinfection byproducts · 2024
HAA5 in Austin, TX tap water
Austin, TX's 2024 HAA5 measurement is below the federal limit of 60 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Minimum System-wide | 8.4 ug/L | 60 ug/L MCL |
Maximum System-wide | 21.1 ug/L | 60 ug/L MCL |
Average System-wide | 13.1 ug/L | 60 ug/L MCL |
Minimum System-wide | 15.6 ug/L | 60 ug/L MCL |
Maximum System-wide | 15.6 ug/L | 60 ug/L MCL |
Average System-wide | 15.6 ug/L | 60 ug/L MCL |
Verbatim from Austin, TX'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 Austin, TX compares
2 of the 22 TX 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 Austin, TX tap water?
Yes — Austin, TX's 2024 Consumer Confidence Report lists HAA5 at 15.6 ug/L. Austin, TX'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?
2 of the 22 TX systems on The Water Map measuring HAA5 report it at or above the federal limit. Examples include Laredo, TX, Frisco, TX.
+Where does this HAA5 measurement come from?
This page reproduces the HAA5 entry from the 2024 Consumer Confidence Report published by the Austin, TX 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/tx/austin/2024/source.