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Bromochloroacetic acid

California Water Service (CWS) - Los Altos Suburban

Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

MORE ABOUT THIS CONTAMINANT

 

16

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20195.00 ppb225.00 ppb
2020N/A00N/A
20213.04 ppb1613ND - 6.30 ppb
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.02 ppb

The EWG Health Guideline of 0.02 ppb for bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2021-02-11CA4310001_DST_902-2021021109452.00 ppb
2021-02-11CA4310001_DST_904-2021021110553.20 ppb
2021-02-11CA4310001_DST_907-2021021108283.50 ppb
2021-02-11CA4310001_DST_901-202102111208ND
2021-02-11CA4310001_DST_903-2021021111403.20 ppb
2021-02-11CA4310001_DST_905-2021021107502.70 ppb
2021-02-11CA4310001_DST_906-2021021110102.80 ppb
2021-02-11CA4310001_DST_900-2021021109151.10 ppb
2021-05-11CA4310001_DST_900-202105111357ND
2021-05-11CA4310001_DST_905-2021051113335.40 ppb
2021-05-11CA4310001_DST_901-202105111115ND
2021-05-11CA4310001_DST_902-2021051112384.50 ppb
2021-05-11CA4310001_DST_903-2021051111286.30 ppb
2021-05-11CA4310001_DST_904-2021051112015.60 ppb
2021-05-11CA4310001_DST_906-2021051112575.30 ppb
2021-05-11CA4310001_DST_907-2021051114223.00 ppb