Disinfection byproducts · 2023
HAA5 in California Water Service Co. - Ela — San Jose, Ca, CA tap water
California Water Service Co. - Ela — San Jose, Ca, CA's 2023 HAA5 measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Groundwater | 5.3 ug/L | None set |
Range Mills Plant | 0–5.7 ug/L | None set |
Range Jensen Plant | 1.3–5 ug/L | None set |
Running annual avg Weymouth Plant | 6.2 ug/L | None set |
Range Groundwater | 0–14 ug/L | None set |
Running annual avg Skinner Plant | 12 ug/L | None set |
Range System-wide | 0–10 ug/L | None set |
Average Groundwater | 2.9 ug/L | None set |
Average Annual Average | 4.6 ug/L | None set |
Range Skinner Plant | 1.2–23 ug/L | None set |
Average Groundwater | 2.8 ug/L | None set |
Running annual avg Diemer Plant | 19 ug/L | None set |
Range Distribution System | 0–23 ug/L | None set |
Range Groundwater | 0–7.5 ug/L | None set |
Range Groundwater | 0–8.6 ug/L | None set |
Running annual avg Distribution System Highest LRAA | 19 ug/L | None set |
Range Diemer Plant | 0–9.5 ug/L | None set |
Range Weymouth Plant | 0–4.2 ug/L | None set |
Running annual avg Mills Plant | 13 ug/L | None set |
Running annual avg Jensen Plant | 5.6 ug/L | None set |
Verbatim from California Water Service Co. - Ela — San Jose, Ca, CA's 2023 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 California Water Service Co. - Ela — 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 California Water Service Co. - Ela — San Jose, Ca, CA tap water?
Yes — California Water Service Co. - Ela — San Jose, Ca, CA's 2023 Consumer Confidence Report lists HAA5 at 19 ug/L. California Water Service Co. - Ela — San Jose, Ca, CA's 2023 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 2023 Consumer Confidence Report published by the California Water Service Co. - Ela — 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/california-water-service-co-ela-san-jose-ca/2023/source.