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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

Marathon Water Supply & Sewer Service Company

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.000 ppb111.000 ppb
20151.000 ppb21ND - 2.00 ppb
20160.800 ppb21ND - 1.60 ppb
2017ND20ND
2018ND20ND
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
2014-07-29Q14319410011.000 ppb
2015-03-10Q15090930012.00 ppb
2015-03-10Q1509093002ND
2016-07-12Q1628531005ND
2016-07-12Q16285310061.60 ppb
2017-06-22Q1726349008ND
2017-06-22Q1726349003ND
2018-02-28Q1808790010ND
2018-02-28Q1808790004ND
2019-06-18Q1937878005ND
2019-06-18Q1937878006ND