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EWG's Tap Water Database — 2021 UPDATE

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Bromochloroacetic acid

North Harrison Water Supply Corporation

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.500 ppb21ND - 1.000 ppb
2015ND20ND
201611.3 ppb449.20 ppb - 13.7 ppb
20173.08 ppb83ND - 11.3 ppb
2018ND80ND
20190.200 ppb61ND - 1.20 ppb

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
2014-08-01Q1433245002ND
2014-08-01Q14332450011.000 ppb
2015-05-27Q1519430010ND
2015-05-27Q1519430009ND
2016-09-02Q16357000029.20 ppb
2016-09-02Q163570000110.2 ppb
2016-11-01Q164700800911.9 ppb
2016-11-01Q164700800513.7 ppb
2017-02-01Q1704471002ND
2017-02-01Q1704471001ND
2017-04-25Q1716811002ND
2017-04-25Q1716811001ND
2017-07-24Q17304690028.10 ppb
2017-07-24Q17304690015.20 ppb
2017-10-04Q174886000911.3 ppb
2017-11-27Q1760519001ND
2018-02-22Q1807489002ND
2018-02-22Q1807489001ND
2018-05-23Q1820765002ND
2018-05-23Q1820765001ND
2018-08-15Q1832899001ND
2018-08-15Q1832899002ND
2018-11-06Q1844291026ND
2018-11-06Q1844291025ND
2019-03-05Q1909314012ND
2019-03-05Q1909314011ND
2019-06-10Q1933417002ND
2019-06-10Q1933417001ND
2019-09-11Q19640920011.20 ppb
2019-09-11Q1964092002ND