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EWG's Tap Water Database — 2021 UPDATE

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Bromoform

Uxbridge DPW Water Division

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

 

104

Samples

0

Samples exceeding legal limit (MCL)

42

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND60ND
2016ND60ND
2017ND120ND
20181.53 ppb3020ND - 4.20 ppb
20191.35 ppb3822ND - 4.10 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 Result
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2014-04-16ND
2015-05-27ND
2015-05-27ND
2015-05-27ND
2015-05-27ND
2015-05-27ND
2015-05-27ND
2016-04-26ND
2016-04-26ND
2016-04-26ND
2016-04-26ND
2016-04-26ND
2016-04-26ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2018-04-12ND
2018-04-12ND
2018-04-12ND
2018-04-12ND
2018-04-12ND
2018-04-12ND
2018-05-082.80 ppb
2018-05-082.80 ppb
2018-05-081.90 ppb
2018-05-081.90 ppb
2018-05-083.10 ppb
2018-05-083.10 ppb
2018-05-081.40 ppb
2018-05-081.40 ppb
2018-08-072.50 ppb
2018-08-072.50 ppb
2018-08-072.80 ppb
2018-08-072.80 ppb
2018-08-07ND
2018-08-07ND
2018-08-071.30 ppb
2018-08-071.30 ppb
2018-11-081.70 ppb
2018-11-081.70 ppb
2018-11-08ND
2018-11-08ND
2018-11-084.20 ppb
2018-11-084.20 ppb
2018-11-081.20 ppb
2018-11-081.20 ppb
2019-02-061.30 ppb
2019-02-061.30 ppb
2019-02-061.70 ppb
2019-02-061.70 ppb
2019-02-062.90 ppb
2019-02-062.90 ppb
2019-02-06ND
2019-02-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-06ND
2019-05-064.10 ppb
2019-05-064.10 ppb
2019-05-061.20 ppb
2019-05-061.20 ppb
2019-05-062.40 ppb
2019-05-062.40 ppb
2019-05-06ND
2019-05-06ND
2019-08-06ND
2019-08-06ND
2019-08-06ND
2019-08-06ND
2019-08-062.00 ppb
2019-08-062.00 ppb
2019-08-06ND
2019-08-06ND
2019-11-042.80 ppb
2019-11-042.80 ppb
2019-11-041.90 ppb
2019-11-041.90 ppb
2019-11-043.30 ppb
2019-11-043.30 ppb
2019-11-042.10 ppb
2019-11-042.10 ppb