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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Elk County Rural Water District 2

NOTE: Elk County Rural Water District 2 purchases water from Howard, City of which is required to test for bromoform. Sample information shown below was taken by Howard, 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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND40ND
2018ND40ND
2019ND40ND

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

NOTE: Elk County Rural Water District 2 purchases water from Howard, City of which is required to test for bromoform. Sample information shown below was taken by Howard, City of.

Date Lab ID Result
2014-02-0953483ND
2014-05-04109127ND
2014-08-11171484ND
2014-11-24236076ND
2015-02-23284223ND
2015-05-19335513ND
2015-08-25394104ND
2015-11-17427858ND
2016-02-22497154ND
2016-05-24551912ND
2016-08-22608449ND
2016-11-27664700ND
2017-02-21712236ND
2017-05-22765848ND
2017-08-20823229ND
2017-11-14878697ND
2018-02-13907028ND
2018-05-14970926ND
2018-08-131025368ND
2018-11-131077213ND
2019-02-111120279ND
2019-05-121157332ND
2019-08-111221778ND
2019-11-111274232ND