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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

City of Mountain View

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
2014ND130ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-192978613ND
2014-02-192978635ND
2014-02-192978603ND
2014-02-192978649ND
2014-02-192978594ND
2014-05-083025965ND
2014-05-083025956ND
2014-08-213091442ND
2014-08-213091427ND
2014-08-213091412ND
2014-08-213091403ND
2014-11-193143624ND
2014-11-193143582ND
2018-12-069590-014-1200ND