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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Neenah 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

 

98

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND170ND
2015ND160ND
2016ND160ND
2017ND170ND
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
2014-01-21767205ND
2014-01-21767206ND
2014-01-21767207ND
2014-01-21767204ND
2014-04-22781825ND
2014-04-22781823ND
2014-04-22781822ND
2014-04-22781824ND
2014-04-22781830ND
2014-07-22804922ND
2014-07-22804920ND
2014-07-22804923ND
2014-07-22804921ND
2014-10-20826436ND
2014-10-20826439ND
2014-10-20826437ND
2014-10-20826438ND
2015-01-21839977ND
2015-01-21839978ND
2015-01-21839976ND
2015-01-21839979ND
2015-04-21855431ND
2015-04-21855432ND
2015-04-21855433ND
2015-04-21855434ND
2015-07-20871898ND
2015-07-20871896ND
2015-07-20871897ND
2015-07-20871899ND
2015-10-19889947ND
2015-10-19889946ND
2015-10-19889945ND
2015-10-19889944ND
2016-01-25902662ND
2016-01-25902663ND
2016-01-25902664ND
2016-01-25902665ND
2016-04-26917949ND
2016-04-26917948ND
2016-04-26917950ND
2016-04-26917951ND
2016-07-25935232ND
2016-07-25935231ND
2016-07-25935233ND
2016-07-25935230ND
2016-10-17953731ND
2016-10-17953730ND
2016-10-17953732ND
2016-10-17953729ND
2017-01-25971254ND
2017-01-25971255ND
2017-01-25971253ND
2017-01-25971252ND
2017-04-19984194ND
2017-04-24984962ND
2017-04-24984963ND
2017-04-24984965ND
2017-04-24984964ND
2017-07-241006145ND
2017-07-241006144ND
2017-07-241006142ND
2017-07-241006143ND
2017-10-251026450ND
2017-10-251026447ND
2017-10-251026449ND
2017-10-251026448ND
2018-01-231038435ND
2018-01-231038438ND
2018-01-231038437ND
2018-01-231038436ND
2018-04-231051320ND
2018-04-231051317ND
2018-04-231051318ND
2018-04-231051319ND
2018-07-231069026ND
2018-07-231069024ND
2018-07-231069025ND
2018-07-231069023ND
2018-10-241089172ND
2018-10-241089174ND
2018-10-241089173ND
2018-10-241089171ND
2019-01-211102193ND
2019-01-211102195ND
2019-01-211102194ND
2019-01-211102196ND
2019-04-221116714ND
2019-04-221116713ND
2019-04-221116715ND
2019-04-221116716ND
2019-07-221135984ND
2019-07-221135982ND
2019-07-221135983ND
2019-07-221135985ND
2019-10-221156675ND
2019-10-221156677ND
2019-10-221156678ND
2019-10-221156676ND