Disinfection byproducts · 2021
HAA5 in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water
Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 HAA5 measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range West Basin MWD | 8.3–19 ug/L | None set |
Average West Basin MWD | 15 ug/L | None set |
Range Distribution System-Wide | 5.3–21 ug/L | None set |
Range West Basin MWD | 9.5–30 ug/L | None set |
Average West Basin MWD | 11 ug/L | None set |
Average Distribution System-Wide Highest Annual | 11 ug/L | None set |
Verbatim from Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 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 Hawthorne-city Water Dept. — San Jose, Ca, CA compares
5 of the 1145 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 Hawthorne-city Water Dept. — San Jose, Ca, CA tap water?
Yes — Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 Consumer Confidence Report lists HAA5 at 15 ug/L. Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 HAA5 measurement is below the federal limit.
+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.
+Which other U.S. cities have HAA5 over the federal limit?
5 of the 1145 systems on The Water Map measuring HAA5 report it at or above the federal limit. Examples include City of Roseville — Roseville, Ca, CA, Tejon Castac Wd - I5 & Laval Rd — Lebec, Ca, CA, Helendale Community Service District — Helendale, Ca, CA.
+Where does this HAA5 measurement come from?
This page reproduces the HAA5 entry from the 2021 Consumer Confidence Report published by the Hawthorne-city Water Dept. — San Jose, Ca, CA 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/ca/hawthorne-city-water-dept-san-jose-ca/2021/source.