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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

City of Balch Springs

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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)

37

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.61 ppb16161.10 ppb - 2.70 ppb
20150.469 ppb164ND - 2.20 ppb
2016ND160ND
20170.127 ppb162ND - 1.02 ppb
20180.808 ppb1611ND - 1.45 ppb
20190.268 ppb164ND - 1.12 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-17Q14084660041.90 ppb
2014-03-17Q14084660031.50 ppb
2014-03-17Q14084660021.50 ppb
2014-03-17Q14084660011.10 ppb
2014-06-04Q14193300041.20 ppb
2014-06-04Q14193300031.20 ppb
2014-06-04Q14193300021.30 ppb
2014-06-04Q14193300011.10 ppb
2014-09-02Q14405320031.10 ppb
2014-09-02Q14405320021.40 ppb
2014-09-02Q14405320041.30 ppb
2014-09-02Q14405320051.10 ppb
2014-11-17Q14561380042.70 ppb
2014-11-17Q14561380032.40 ppb
2014-11-17Q14561380022.40 ppb
2014-11-17Q14561380012.60 ppb
2015-03-19Q15104630031.80 ppb
2015-03-19Q15104630022.20 ppb
2015-03-19Q15104630011.70 ppb
2015-03-19Q15104630041.80 ppb
2015-04-30Q1516053002ND
2015-04-30Q1516053003ND
2015-04-30Q1516053005ND
2015-04-30Q1516053004ND
2015-07-30Q1529624004ND
2015-07-30Q1529624003ND
2015-07-30Q1529624002ND
2015-07-30Q1529624001ND
2015-10-22Q1541853004ND
2015-10-22Q1541853003ND
2015-10-22Q1541853002ND
2015-10-22Q1541853001ND
2016-01-21Q1602810002ND
2016-01-21Q1602810001ND
2016-01-21Q1602810003ND
2016-01-21Q1602810004ND
2016-04-14Q1614885006ND
2016-04-14Q1614885003ND
2016-04-14Q1614885002ND
2016-04-14Q1614885001ND
2016-07-13Q1628378004ND
2016-07-13Q1628378003ND
2016-07-13Q1628378002ND
2016-07-13Q1628378001ND
2016-10-28Q1646413003ND
2016-10-28Q1646413002ND
2016-10-28Q1646413004ND
2016-10-28Q1646413001ND
2017-02-09Q1705776004ND
2017-02-09Q1705776002ND
2017-02-09Q1705776003ND
2017-02-09Q1705776001ND
2017-04-24Q1716527004ND
2017-04-24Q1716527003ND
2017-04-24Q1716527002ND
2017-04-24Q1716527001ND
2017-07-18Q1729529002ND
2017-07-18Q1729529001ND
2017-07-18Q1729529003ND
2017-07-18Q1729529004ND
2017-10-25Q1755290006ND
2017-10-25Q1755290002ND
2017-10-25Q17552900031.02 ppb
2017-10-25Q17552900051.01 ppb
2018-01-18Q1802150003ND
2018-01-18Q1802150002ND
2018-01-18Q1802150001ND
2018-01-31Q18039900011.04 ppb
2018-04-12Q1815238004ND
2018-04-12Q18152380011.09 ppb
2018-04-12Q18152380021.05 ppb
2018-04-12Q1815238005ND
2018-07-11Q18273640041.11 ppb
2018-07-11Q18273640031.14 ppb
2018-07-11Q18273640021.08 ppb
2018-07-11Q18273640011.04 ppb
2018-10-04Q18398070041.31 ppb
2018-10-04Q18398070031.42 ppb
2018-10-04Q18398070021.20 ppb
2018-10-04Q18398070011.45 ppb
2019-01-08Q1900801003ND
2019-01-08Q1900801001ND
2019-01-08Q1900801002ND
2019-01-08Q1900801004ND
2019-04-11Q1914808006ND
2019-04-11Q1914808005ND
2019-04-11Q1914808004ND
2019-04-11Q1914808003ND
2019-07-22Q1946763004ND
2019-07-22Q1946763003ND
2019-07-22Q1946763002ND
2019-07-22Q1946763001ND
2019-10-01Q19707710011.12 ppb
2019-10-01Q19707710041.000 ppb
2019-10-01Q19707710031.06 ppb
2019-10-01Q19707710021.11 ppb