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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Burlington Municipal Waterworks

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)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND160ND
20160.165 ppb164ND - 0.700 ppb
2017ND160ND
2018ND160ND
2019ND160ND

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
2014-03-122041823ND
2014-03-122041824ND
2014-03-122041825ND
2014-03-122041822ND
2014-06-112058751ND
2014-06-112058752ND
2014-06-112058753ND
2014-06-112058754ND
2014-09-102079663ND
2014-09-102079664ND
2014-09-102079665ND
2014-09-102079666ND
2014-12-102098016ND
2014-12-102098018ND
2014-12-102098017ND
2014-12-102098015ND
2015-03-121C50821-01ND
2015-03-121C50821-02ND
2015-03-121C50821-03ND
2015-03-121C50821-04ND
2015-06-101F50885-01ND
2015-06-101F50885-02ND
2015-06-101F50885-03ND
2015-06-101F50885-04ND
2015-09-091I50756-03ND
2015-09-091I50756-01ND
2015-09-091I50756-04ND
2015-09-091I50756-02ND
2015-12-091L50905-02ND
2015-12-091L50905-03ND
2015-12-091L50905-04ND
2015-12-091L50905-01ND
2016-03-151C61147-01ND
2016-03-151C61147-02ND
2016-03-151C61147-03ND
2016-03-151C61147-04ND
2016-06-081F60820-030.660 ppb
2016-06-081F60820-040.700 ppb
2016-06-081F60820-020.680 ppb
2016-06-081F60820-010.600 ppb
2016-09-061I60359-01ND
2016-09-061I60359-02ND
2016-09-061I60359-03ND
2016-09-061I60359-04ND
2016-12-081L60684-01ND
2016-12-081L60684-02ND
2016-12-081L60684-03ND
2016-12-081L60684-04ND
2017-03-091C70818-04ND
2017-03-091C70818-01ND
2017-03-091C70818-02ND
2017-03-091C70818-03ND
2017-06-061F70442-01ND
2017-06-061F70442-02ND
2017-06-061F70442-03ND
2017-06-061F70442-04ND
2017-09-061I70430-04ND
2017-09-061I70430-03ND
2017-09-061I70430-02ND
2017-09-061I70430-01ND
2017-12-071L70667-01ND
2017-12-071L70667-02ND
2017-12-071L70667-03ND
2017-12-071L70667-04ND
2018-03-071C80671-04ND
2018-03-071C80671-03ND
2018-03-071C80671-02ND
2018-03-071C80671-01ND
2018-06-111F80934-04ND
2018-06-111F80934-01ND
2018-06-111F80934-02ND
2018-06-111F80934-03ND
2018-09-051I80363-04ND
2018-09-051I80363-03ND
2018-09-051I80363-02ND
2018-09-051I80363-01ND
2018-12-061L80500-01ND
2018-12-061L80500-02ND
2018-12-061L80500-03ND
2018-12-061L80500-04ND
2019-03-20OE783625ND
2019-03-20OE783626ND
2019-03-20OE783627ND
2019-03-20OE783628ND
2019-06-11OE820013ND
2019-06-11OE820016ND
2019-06-11OE820015ND
2019-06-11OE820014ND
2019-09-25OE870548ND
2019-09-25OE870550ND
2019-09-25OE870549ND
2019-09-25OE870547ND
2019-12-04OE901207ND
2019-12-04OE901206ND
2019-12-04OE901205ND
2019-12-04OE901204ND