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EWG's Tap Water Database — 2021 UPDATE

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Tribromoacetic acid

Clay County Public Water Supply District 4

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND80ND
2016ND80ND
2017ND10ND
2018ND10ND
2019ND10ND

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
2014-07-31AC30669ND
2014-07-31AC30668ND
2014-10-22AC37671ND
2014-10-22AC37672ND
2015-01-26AC40396ND
2015-01-26AC40395ND
2015-04-22AC45055ND
2015-04-22AC45056ND
2015-07-19AC54299ND
2015-07-20AC54298ND
2015-10-15AC61219ND
2015-10-19AC61218ND
2016-01-13AC65026ND
2016-01-13AC65025ND
2016-04-20AC69384ND
2016-04-20AC69385ND
2016-07-14AC79705ND
2016-07-14AC79704ND
2016-10-19AC86293ND
2016-10-19AC86292ND
2017-07-17AD01409ND
2018-07-24AD30629ND
2019-07-15AD51804ND