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EWG's Tap Water Database — 2019 UPDATE

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Bromoform

De Pere Water Department

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.

 

72

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.332 ppb550.270 ppb - 0.380 ppb
20140.177 ppb2012ND - 0.360 ppb
20150.226 ppb1510ND - 0.440 ppb
20160.0894 ppb164ND - 0.510 ppb
20170.0794 ppb164ND - 0.340 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
2013-10-177535510.310 ppb
2013-10-177535500.320 ppb
2013-10-177535490.380 ppb
2013-10-177535480.380 ppb
2013-11-217598000.270 ppb
2014-01-207669810.320 ppb
2014-01-207669800.320 ppb
2014-01-207669780.310 ppb
2014-01-207669790.280 ppb
2014-04-227818770.340 ppb
2014-04-22781875ND
2014-04-22781876ND
2014-04-22781874ND
2014-05-077844830.360 ppb
2014-05-077844800.240 ppb
2014-05-07784475ND
2014-07-178037780.330 ppb
2014-07-178037790.280 ppb
2014-07-178037800.240 ppb
2014-07-178037810.200 ppb
2014-10-20826433ND
2014-10-20826430ND
2014-10-20826432ND
2014-10-20826431ND
2014-12-028335400.310 ppb
2015-01-218399830.330 ppb
2015-01-218399810.440 ppb
2015-01-218399820.360 ppb
2015-01-21839980ND
2015-04-228557240.310 ppb
2015-04-228557220.390 ppb
2015-04-228557230.390 ppb
2015-04-228557250.220 ppb
2015-06-018625890.350 ppb
2015-06-018625930.330 ppb
2015-06-018625860.270 ppb
2015-10-14889142ND
2015-10-14889143ND
2015-10-14889144ND
2015-10-14889145ND
2016-01-209021860.210 ppb
2016-01-20902184ND
2016-01-20902185ND
2016-01-20902187ND
2016-04-19916370ND
2016-04-19916369ND
2016-04-19916372ND
2016-04-19916371ND
2016-07-19934222ND
2016-07-19934221ND
2016-07-19934224ND
2016-07-19934223ND
2016-10-199544760.510 ppb
2016-10-199544780.400 ppb
2016-10-199544740.310 ppb
2016-10-19954472ND
2017-01-189704640.340 ppb
2017-01-189704620.340 ppb
2017-01-189704610.330 ppb
2017-01-18970465ND
2017-04-249849900.260 ppb
2017-04-24984989ND
2017-04-24984988ND
2017-04-24984987ND
2017-07-181004610ND
2017-07-181004609ND
2017-07-181004611ND
2017-07-181004608ND
2017-10-171024652ND
2017-10-171024654ND
2017-10-171024655ND
2017-10-171024653ND