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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

Roy City Water System

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND90ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND40ND

ppb = parts per billion

All test results

Date Result
2015-02-23ND
2015-02-23ND
2015-02-23ND
2015-05-27ND
2015-08-27ND
2015-08-27ND
2015-08-27ND
2015-08-27ND
2015-11-23ND
2018-03-20ND
2019-01-15ND
2019-01-15ND
2019-01-15ND
2019-06-19ND