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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Emporia, City of

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

 

68

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND110ND
2016ND130ND
2017ND130ND
2018ND120ND
2019ND90ND

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
2014-02-25E131204891ND
2014-02-25E131204890ND
2014-05-30E140301793ND
2014-05-30E140301767ND
2014-08-11E140601539ND
2014-08-11E140601567ND
2014-08-11E140601529ND
2014-11-12E140902282ND
2014-11-12E140902281ND
2014-12-01E141101136ND
2015-02-24VA010-DCLSND
2015-02-24VA010-DCLSND
2015-05-28VA010-DCLSND
2015-05-28VA010-DCLSND
2015-08-27VA010-DCLSND
2015-08-27VA010-DCLSND
2015-08-27VA010-DCLSND
2015-08-27VA010-DCLSND
2015-11-23VA010-DCLSND
2015-11-23VA010-DCLSND
2015-11-23VA010-DCLSND
2016-02-17E151201973ND
2016-02-17E151201967ND
2016-02-17E151201961ND
2016-05-31E160204859ND
2016-05-31E160204869ND
2016-05-31E160204860ND
2016-08-31E160603351ND
2016-08-31E160603323ND
2016-08-31E160603346ND
2016-08-31E160603347ND
2016-11-15E160901607ND
2016-11-15E160901580ND
2016-11-15E160901579ND
2017-02-15E161202857ND
2017-02-15E161202823ND
2017-02-15E161202826ND
2017-05-22E170303340ND
2017-05-22E170303343ND
2017-05-22E170303341ND
2017-08-23E170606312ND
2017-08-23E170606334ND
2017-08-23E170606316ND
2017-08-23E170606331ND
2017-11-28E170901207ND
2017-11-28E170901230ND
2017-11-28E170901228ND
2018-02-20E171203263ND
2018-02-20E171203261ND
2018-02-20E171203259ND
2018-05-08E180305677ND
2018-05-08E180305690ND
2018-05-08E180305692ND
2018-08-15E180610114ND
2018-08-15E180610116ND
2018-08-15E180610118ND
2018-08-15E180610176ND
2018-11-13E180906059ND
2018-11-13E180906060ND
2019-02-12E181205973ND
2019-02-12E181205975ND
2019-05-28E190303003ND
2019-05-28E190303016ND
2019-08-14E190608768ND
2019-08-14E190608766ND
2019-08-14E190608767ND
2019-11-19E191000220ND
2019-11-19E191000219ND