Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodibromoacetic acid

Huntsville PWS

Chlorodibromoacetic 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.

MORE ABOUT THIS CONTAMINANT

 

46

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND80ND
2016ND80ND
2017ND80ND
2018ND80ND
20190.205 ppb81ND - 1.64 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 chlorodibromoacetic 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
2014-02-13AC18117ND
2014-02-13AC18116ND
2014-05-20AC23124ND
2014-05-20AC23125ND
2014-08-19AC33164ND
2014-11-18AC38170ND
2015-02-11AC41896ND
2015-02-11AC41895ND
2015-05-14AC46474ND
2015-05-14AC46473ND
2015-08-11AC57317ND
2015-08-11AC57316ND
2015-11-23AC62733ND
2015-11-23AC62734ND
2016-02-23AC66273ND
2016-02-23AC66274ND
2016-05-19AC71966ND
2016-05-19AC71967ND
2016-08-11AC81562ND
2016-08-11AC81561ND
2016-11-16AC86866ND
2016-11-16AC86865ND
2017-02-17AC90730ND
2017-02-17AC90729ND
2017-05-09AC95700ND
2017-05-09AC95699ND
2017-08-11AD03284ND
2017-08-11AD03283ND
2017-11-16AD09414ND
2017-11-16AD09413ND
2018-03-06AD17377ND
2018-03-06AD17378ND
2018-05-11AD20433ND
2018-05-11AD20434ND
2018-08-08AD31103ND
2018-08-08AD31104ND
2018-11-14AD35643ND
2018-11-14AD35644ND
2019-03-01AD41264ND
2019-03-01AD41265ND
2019-05-15AD47392ND
2019-05-15AD47393ND
2019-08-16AD53828ND
2019-08-16AD538291.64 ppb
2019-11-12AD58018ND
2019-11-12AD58019ND