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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Seguin

Dibromoacetic 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.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

81

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.66 ppb1612ND - 5.20 ppb
20151.48 ppb1614ND - 4.10 ppb
20161.56 ppb1613ND - 3.90 ppb
20172.40 ppb1614ND - 6.60 ppb
20181.90 ppb1613ND - 6.20 ppb
20192.53 ppb1615ND - 5.80 ppb

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 dibromoacetic 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
2014-02-19AC435544.00 ppb
2014-02-19AC435561.000 ppb
2014-02-19AC43588ND
2014-02-19AC435581.000 ppb
2014-05-14AC542085.20 ppb
2014-05-14AC542181.000 ppb
2014-05-14AC542171.20 ppb
2014-05-14AC542131.10 ppb
2014-07-23AC607961.000 ppb
2014-07-23AC607461.20 ppb
2014-07-23AC60780ND
2014-07-23AC607444.90 ppb
2014-10-03AC689064.00 ppb
2014-10-03AC68892ND
2014-10-03AC688901.000 ppb
2014-10-03AC68884ND
2015-01-27AC779052.10 ppb
2015-01-27AC77882ND
2015-01-27AC778831.20 ppb
2015-01-27AC77886ND
2015-04-15AC883491.20 ppb
2015-04-15AC883461.50 ppb
2015-04-15AC883534.10 ppb
2015-04-15AC883431.10 ppb
2015-07-16AC998893.60 ppb
2015-07-16AC998901.10 ppb
2015-07-16AC998841.90 ppb
2015-07-16AC998961.10 ppb
2015-11-12AD133251.60 ppb
2015-11-12AD133291.000 ppb
2015-11-12AD133241.20 ppb
2015-11-12AD133231.000 ppb
2016-01-19AD185981.40 ppb
2016-01-19AD186001.30 ppb
2016-01-19AD185931.20 ppb
2016-01-19AD185963.30 ppb
2016-04-06AD320113.90 ppb
2016-04-06AD32041ND
2016-04-06AD320401.10 ppb
2016-04-06AD32039ND
2016-07-07AD432793.30 ppb
2016-07-07AD432781.10 ppb
2016-07-07AD432751.60 ppb
2016-07-07AD432771.10 ppb
2016-10-06AD526471.30 ppb
2016-10-06AD526482.90 ppb
2016-10-06AD526441.50 ppb
2016-10-06AD52643ND
2017-02-07AD691555.80 ppb
2017-02-07AD69154ND
2017-02-07AD691521.20 ppb
2017-02-07AD69156ND
2017-05-08AD829835.40 ppb
2017-05-08AD829851.20 ppb
2017-05-08AD829771.20 ppb
2017-05-08AD829781.20 ppb
2017-07-28AD913301.70 ppb
2017-07-28AD913151.30 ppb
2017-07-28AD913161.60 ppb
2017-07-28AD913296.60 ppb
2017-10-05AD995376.40 ppb
2017-10-05AD995391.30 ppb
2017-10-05AD995402.10 ppb
2017-10-05AD995381.40 ppb
2018-02-09AE132395.40 ppb
2018-02-09AE13266ND
2018-02-09AE132401.50 ppb
2018-02-09AE132611.30 ppb
2018-04-13AE224831.10 ppb
2018-04-13AE22484ND
2018-04-13AE224722.70 ppb
2018-04-13AE224711.000 ppb
2018-08-09AE363016.20 ppb
2018-08-09AE36308ND
2018-08-09AE363051.10 ppb
2018-08-09AE363071.10 ppb
2018-10-03AE425063.80 ppb
2018-10-03AE425071.50 ppb
2018-10-03AE425041.90 ppb
2018-10-03AE425081.80 ppb
2019-01-23AE509121.30 ppb
2019-01-23AE509111.20 ppb
2019-01-23AE50913ND
2019-01-23AE509144.00 ppb
2019-04-16AE627465.50 ppb
2019-04-16AE627451.20 ppb
2019-04-16AE627441.40 ppb
2019-04-16AE627481.30 ppb
2019-07-22AE752555.80 ppb
2019-07-22AE752542.40 ppb
2019-07-22AE753043.10 ppb
2019-07-22AE752532.40 ppb
2019-10-07AE857894.30 ppb
2019-10-07AE857832.10 ppb
2019-10-07AE857852.30 ppb
2019-11-15AE895012.20 ppb