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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

North Wales Water Authority

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND220ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-0414012246-02ND
2014-02-0414012246-06ND
2014-02-0414012246-07ND
2014-02-0414012246-04ND
2014-02-0414012246-05ND
2014-02-0414012246-10ND
2014-02-0414012246-08ND
2014-02-0414012246-09ND
2014-02-0414012246-03ND
2014-02-0414012246-01ND
2014-05-0614050298-01ND
2014-08-1114080708-01ND
2014-08-1114080707-01ND
2014-08-1114080702-01ND
2014-08-1114080703-01ND
2014-08-1114080709-01ND
2014-08-1114080704-01ND
2014-08-1114080700-01ND
2014-08-1114080701-01ND
2014-08-1114080705-01ND
2014-08-1114080706-01ND
2014-11-1014103223-02ND