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EWG's Tap Water Database — 2021 UPDATE

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Tribromoacetic acid

St. Charles County PWSD 2

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

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119

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND320ND
2015ND200ND
2016ND150ND
2017ND190ND
2018ND170ND
2019ND160ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for tribromoacetic 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
2014-02-20AC18266ND
2014-02-20AC18268ND
2014-02-20AC18269ND
2014-02-20AC18270ND
2014-02-20AC18273ND
2014-02-21AC18267ND
2014-02-21AC18271ND
2014-02-21AC18272ND
2014-06-06AC28804ND
2014-06-06AC28801ND
2014-06-06AC28802ND
2014-06-06AC28803ND
2014-06-06AC28805ND
2014-06-06AC28806ND
2014-06-06AC28807ND
2014-06-06AC28808ND
2014-09-17AC33498ND
2014-09-17AC33499ND
2014-09-17AC33500ND
2014-09-17AC33501ND
2014-09-17AC33502ND
2014-09-17AC33503ND
2014-09-17AC33504ND
2014-09-17AC33505ND
2014-12-02AC38322ND
2014-12-02AC38323ND
2014-12-02AC38324ND
2014-12-02AC38325ND
2014-12-02AC38326ND
2014-12-02AC38327ND
2014-12-02AC38328ND
2014-12-02AC38329ND
2015-02-25AC42049ND
2015-02-25AC42055ND
2015-02-25AC42051ND
2015-02-25AC42053ND
2015-02-25AC42054ND
2015-02-25AC42056ND
2015-02-25AC42050ND
2015-02-25AC42052ND
2015-06-02AC46603ND
2015-06-02AC46602ND
2015-06-02AC46601ND
2015-06-02AC46604ND
2015-09-03AC57585ND
2015-09-03AC57586ND
2015-09-03AC57583ND
2015-09-03AC57584ND
2015-12-01AC62870ND
2015-12-01AC62869ND
2015-12-01AC62868ND
2015-12-01AC62867ND
2016-03-02AC66413ND
2016-03-02AC66415ND
2016-03-07AC66416ND
2016-06-02AC72110ND
2016-06-02AC72109ND
2016-06-02AC72107ND
2016-06-14AC77550ND
2016-08-09AC81760ND
2016-08-09AC81759ND
2016-08-09AC81758ND
2016-08-09AC81761ND
2016-11-02AC87008ND
2016-11-02AC87009ND
2016-11-02AC87007ND
2016-11-02AC87006ND
2017-02-23AC90858ND
2017-02-23AC90859ND
2017-02-23AC90857ND
2017-02-23AC90856ND
2017-05-31AC95833ND
2017-05-31AC95834ND
2017-05-31AC95835ND
2017-05-31AC95836ND
2017-09-07AD03587ND
2017-09-07AD03586ND
2017-09-07AD03588ND
2017-09-07AD03589ND
2017-12-12AD11059ND
2017-12-12AD11061ND
2017-12-12AD11060ND
2017-12-12AD11062ND
2017-12-19AD11068ND
2017-12-19AD11069ND
2017-12-19AD11071ND
2018-01-09AD11208ND
2018-02-22AD14332ND
2018-02-22AD14333ND
2018-02-22AD14334ND
2018-02-22AD14335ND
2018-05-24AD20559ND
2018-05-24AD20560ND
2018-05-24AD20561ND
2018-05-24AD20562ND
2018-08-30AD31374ND
2018-08-30AD31371ND
2018-08-30AD31372ND
2018-08-30AD31373ND
2018-11-19AD35769ND
2018-11-19AD35770ND
2018-11-19AD35771ND
2018-11-19AD35772ND
2019-02-26AD39437ND
2019-02-26AD39438ND
2019-02-26AD39439ND
2019-02-26AD39440ND
2019-05-21AD47516ND
2019-05-21AD47517ND
2019-05-21AD47518ND
2019-06-06AD49751ND
2019-09-03AD54110ND
2019-09-03AD54111ND
2019-09-03AD54108ND
2019-09-03AD54109ND
2019-12-09AD59324ND
2019-12-09AD59322ND
2019-12-09AD59323ND
2019-12-09AD59325ND