Disinfection byproducts · 2023

HAA5 in Montecito Water Dist, CA tap water

Within the federal limit· 0.7× the limit

Montecito Water Dist, CA's 2023 HAA5 measurement is below the federal limit.

The measurement

StatisticValue
Average
Distribution System
25.9 ug/L
Range
Distribution System
7–38 ug/L
Average
Jameson Lake
32.87 ug/L
Range
Jameson Lake
23.98–44 ug/L
Average
Cachuma Lake
13 ug/L
Range
Cachuma Lake
0–32 ug/L
Average
Jameson Lake
39.95 ug/L
Range
Jameson Lake
32.57–48.94 ug/L
Average
Cachuma Lake
24 ug/L
Range
Cachuma Lake
0–51 ug/L

Verbatim from Montecito Water Dist, 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 Montecito Water Dist, CA compares

2 of the 241 CA 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 Montecito Water Dist, CA tap water?

Yes — Montecito Water Dist, CA's 2023 Consumer Confidence Report lists HAA5 at 39.95 ug/L. Montecito Water Dist, 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?

2 of the 241 CA systems on The Water Map measuring HAA5 report it at or above the federal limit. Examples include Sweetwater Authority — Chula Vista, Ca, CA, St. Helena, City of — St. Helena, Ca, CA.

+Where does this HAA5 measurement come from?

This page reproduces the HAA5 entry from the 2023 Consumer Confidence Report published by the Montecito Water Dist, 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/montecito-water-dist/2023/source.

Full report
All Montecito Water Dist, 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.