Disinfection byproducts · 2023

HAA5 in Western MWD — Riverside, Ca, CA tap water

Within the federal limit· 0.2× the limit

Western MWD — Riverside, Ca, CA's 2023 HAA5 measurement is below the federal limit.

The measurement

StatisticValue
Range
Riverside
0–28 ug/L
Range
Murrieta
5.9–26 ug/L
Average
Riverside
5.6 ug/L
Average
Murrieta
7.8 ug/L
Range
Rainbow
5–15 ug/L
Average
Rainbow
9 ug/L
Average
Murrieta
7 ug/L
Range
Murrieta
0–10 ug/L
Range
Murrieta
3.9–14 ug/L
Average
Riverside
9.7 ug/L
Average
Riverside
9 ug/L
Range
Murrieta
3.5–15 ug/L
Average
Riverside
6.4 ug/L
Average
Murrieta
7.9 ug/L
Range
Riverside
0–30 ug/L
Average
Murrieta
13 ug/L
Range
Riverside
0–15 ug/L
Range
Riverside
0–7 ug/L

Verbatim from Western MWD — Riverside, 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 Western MWD — Riverside, 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 Western MWD — Riverside, Ca, CA tap water?

Yes — Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report lists HAA5 at 13 ug/L. Western MWD — Riverside, 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 Western MWD — Riverside, 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/western-mwd-riverside-ca/2023/source.

Full report
All Western MWD — Riverside, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
HAA5 across the U.S. →
Every public water system measuring HAA5, ranked.