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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Mound City PWS

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

 

66

Samples

0

Samples exceeding legal limit (MCL)

30

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.92 ppb135ND - 5.75 ppb
20152.93 ppb135ND - 11.0 ppb
20163.40 ppb135ND - 10.2 ppb
20173.02 ppb135ND - 9.86 ppb
20184.34 ppb95ND - 10.1 ppb
20198.72 ppb555.29 ppb - 12.9 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
2014-01-28AC17562ND
2014-01-28AC175634.73 ppb
2014-01-28AC17564ND
2014-04-07AC223953.28 ppb
2014-04-07AC22396ND
2014-04-07AC22397ND
2014-06-10AC285195.75 ppb
2014-07-22AC29990ND
2014-07-22AC29991ND
2014-07-22AC299925.66 ppb
2014-10-27AC37262ND
2014-10-27AC372635.48 ppb
2014-10-27AC37264ND
2015-01-28AC41182ND
2015-01-28AC41181ND
2015-01-28AC411806.55 ppb
2015-04-28AC45640ND
2015-04-28AC45639ND
2015-04-28AC456389.17 ppb
2015-06-16AC511675.10 ppb
2015-08-15AC58656ND
2015-08-19AC58657ND
2015-08-19AC5865811.0 ppb
2015-10-27AC619316.32 ppb
2015-10-27AC61932ND
2015-10-27AC61933ND
2016-01-28AC657009.13 ppb
2016-01-28AC65698ND
2016-01-28AC65699ND
2016-04-25AC699769.70 ppb
2016-04-25AC69975ND
2016-04-25AC69974ND
2016-06-07AC7481910.2 ppb
2016-08-01AC806947.48 ppb
2016-08-01AC80693ND
2016-08-04AC80695ND
2016-10-25AC85938ND
2016-10-25AC859377.68 ppb
2016-10-25AC85936ND
2017-01-19AC89773ND
2017-01-19AC897748.21 ppb
2017-01-19AC89772ND
2017-04-10AC950126.57 ppb
2017-04-10AC95011ND
2017-04-10AC95010ND
2017-06-06AC984098.51 ppb
2017-07-17AD02351ND
2017-07-17AD02352ND
2017-07-17AD023509.86 ppb
2017-10-23AD08571ND
2017-10-23AD08569ND
2017-10-23AD085706.06 ppb
2018-01-10AD11891ND
2018-01-10AD118927.58 ppb
2018-01-10AD11893ND
2018-05-14AD1856010.1 ppb
2018-05-14AD18561ND
2018-05-14AD18562ND
2018-06-07AD272345.57 ppb
2018-07-11AD294817.20 ppb
2018-10-14AD350528.59 ppb
2019-01-08AD383607.63 ppb
2019-04-16AD466335.29 ppb
2019-06-10AD4904112.9 ppb
2019-07-15AD527038.53 ppb
2019-10-21AD573579.26 ppb