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EWG's Tap Water Database — 2021 UPDATE

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Monobromoacetic acid

Western Cass Water Supply Corporation

Monobromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
20181.03 ppb63ND - 2.40 ppb
20190.588 ppb83ND - 2.50 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.. This health guideline protects against muscular degeneration.

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-23Q1430392002ND
2014-07-23Q1430392001ND
2015-05-07Q1516885024ND
2015-05-07Q1516885023ND
2016-05-24Q1620338019ND
2016-05-24Q1620338018ND
2017-05-22Q1720717002ND
2017-05-22Q1720717001ND
2018-06-25Q1825196002ND
2018-06-25Q18251960011.40 ppb
2018-09-20Q1837808002ND
2018-09-20Q18378080012.40 ppb
2018-12-05Q18501030012.40 ppb
2018-12-05Q1850103002ND
2019-02-27Q19082660021.10 ppb
2019-02-27Q19082660011.10 ppb
2019-05-02Q1918236016ND
2019-05-02Q1918236015ND
2019-08-14Q1954874002ND
2019-08-14Q1954874001ND
2019-10-21Q1973228001ND
2019-10-21Q19732280022.50 ppb