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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

Marilee Elmont

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.40 ppb221.20 ppb - 1.60 ppb
2015ND20ND
2016ND20ND
20170.850 ppb21ND - 1.70 ppb
20181.45 ppb221.40 ppb - 1.50 ppb
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-08-18Q14371030041.20 ppb
2014-08-18Q14371030051.60 ppb
2015-07-15Q1527270023ND
2015-07-15Q1527270024ND
2016-06-22Q1625662012ND
2016-06-22Q1625662013ND
2017-06-20Q1725930001ND
2017-06-20Q17259300021.70 ppb
2018-09-24Q18382990011.40 ppb
2018-09-24Q18382990021.50 ppb
2019-09-24Q1968483001ND
2019-09-24Q1968483002ND