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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Town of Prosper

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

 

92

Samples

0

Samples exceeding legal limit (MCL)

76

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20145.30 ppb12122.70 ppb - 8.90 ppb
20153.59 ppb168ND - 8.00 ppb
20161.03 ppb168ND - 3.30 ppb
20176.11 ppb16161.80 ppb - 12.2 ppb
20185.36 ppb16163.60 ppb - 6.50 ppb
20192.68 ppb16161.40 ppb - 4.30 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
2014-04-09Q14112870042.90 ppb
2014-04-09Q14112870032.70 ppb
2014-04-09Q14112870022.70 ppb
2014-04-09Q14112870012.90 ppb
2014-09-15Q14443040047.80 ppb
2014-09-15Q14443040038.90 ppb
2014-09-15Q14443040027.60 ppb
2014-09-15Q14443040017.40 ppb
2014-12-08Q14589070035.20 ppb
2014-12-08Q14589070025.50 ppb
2014-12-08Q14589070044.90 ppb
2014-12-08Q14589070055.10 ppb
2015-02-03Q15040730046.10 ppb
2015-02-03Q15040730035.90 ppb
2015-02-03Q15040730027.00 ppb
2015-02-03Q15040730016.90 ppb
2015-04-29Q15158820047.90 ppb
2015-04-29Q15158820037.90 ppb
2015-04-29Q15158820028.00 ppb
2015-04-29Q15158820017.80 ppb
2015-09-30Q1538587002ND
2015-09-30Q1538587001ND
2015-09-30Q1538587003ND
2015-09-30Q1538587004ND
2015-12-02Q1547915004ND
2015-12-02Q1547915003ND
2015-12-02Q1547915002ND
2015-12-02Q1547915001ND
2016-02-09Q1605592004ND
2016-02-09Q1605592003ND
2016-02-09Q1605592002ND
2016-02-09Q1605592001ND
2016-04-27Q1616621004ND
2016-04-27Q1616621001ND
2016-04-27Q1616621002ND
2016-04-27Q1616621003ND
2016-09-06Q16356690042.20 ppb
2016-09-06Q16356690031.90 ppb
2016-09-06Q16356690023.30 ppb
2016-09-06Q16356690013.00 ppb
2016-11-01Q16467910031.40 ppb
2016-11-01Q16467910051.30 ppb
2016-11-01Q16467910021.70 ppb
2016-11-01Q16467910041.70 ppb
2017-02-07Q17055410041.80 ppb
2017-02-07Q17055410031.80 ppb
2017-02-07Q17055410023.20 ppb
2017-02-07Q17055410013.00 ppb
2017-05-22Q172068400411.8 ppb
2017-05-22Q172068400312.2 ppb
2017-05-22Q172068400210.8 ppb
2017-05-22Q17206840019.50 ppb
2017-07-27Q17311240045.30 ppb
2017-07-27Q17311240036.20 ppb
2017-07-27Q17311240027.40 ppb
2017-07-27Q17311240017.60 ppb
2017-10-23Q17544480024.30 ppb
2017-10-23Q17544480014.00 ppb
2017-10-23Q17544480044.50 ppb
2017-10-23Q17544480054.30 ppb
2018-02-12Q18059510046.50 ppb
2018-02-12Q18059510036.30 ppb
2018-02-12Q18059510025.80 ppb
2018-02-12Q18059510016.10 ppb
2018-05-16Q18200770026.40 ppb
2018-05-16Q18200770016.30 ppb
2018-05-16Q18200770046.50 ppb
2018-05-16Q18200770036.40 ppb
2018-08-27Q18347040044.90 ppb
2018-08-27Q18347040015.20 ppb
2018-08-27Q18347040035.30 ppb
2018-08-27Q18347040025.30 ppb
2018-11-09Q18450470033.90 ppb
2018-11-09Q18450470023.60 ppb
2018-11-09Q18450470043.60 ppb
2018-11-09Q18450470053.60 ppb
2019-02-14Q19070290021.70 ppb
2019-02-14Q19070290012.50 ppb
2019-02-14Q19070290031.80 ppb
2019-02-14Q19070290042.10 ppb
2019-06-21Q19390920044.30 ppb
2019-06-21Q19390920034.20 ppb
2019-06-21Q19390920024.30 ppb
2019-06-21Q19390920014.10 ppb
2019-09-20Q19680310043.00 ppb
2019-09-20Q19680310032.70 ppb
2019-09-20Q19680310023.10 ppb
2019-09-20Q19680310012.90 ppb
2019-12-04Q19792560031.40 ppb
2019-12-04Q19792560041.60 ppb
2019-12-04Q19792560051.50 ppb
2019-12-04Q19792560021.70 ppb