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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

Galveston County WCID 1

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND30ND
20141.60 ppb1511ND - 5.17 ppb
20151.33 ppb32ND - 2.10 ppb
20161.38 ppb53ND - 3.60 ppb
20171.000 ppb42ND - 2.70 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2013-02-05AC09710ND
2013-02-05AC09706ND
2013-02-05AC09708ND
2014-01-30Q14029580070.796 ppb
2014-01-30Q14029580035.17 ppb
2014-01-30Q14029580051.34 ppb
2014-01-30Q1402958009ND
2014-01-30Q1402958001ND
2014-04-23Q14128170010.148 ppb
2014-06-03AC558051.90 ppb
2014-06-03AC558112.70 ppb
2014-06-03AC558132.60 ppb
2014-07-30Q14320330033.63 ppb
2014-07-30Q1432033001ND
2014-07-30Q14320330050.152 ppb
2014-07-30Q14320330090.486 ppb
2014-07-30Q14320330075.14 ppb
2014-10-22Q1453353001ND
2015-01-15AC76462ND
2015-01-15AC764561.90 ppb
2015-01-15AC764662.10 ppb
2016-01-26AD200901.70 ppb
2016-01-26AD20084ND
2016-06-27AD41911ND
2016-09-29AD520743.60 ppb
2016-11-29AD593851.60 ppb
2017-01-26AD67201ND
2017-01-26AD67177ND
2017-01-26AD671852.70 ppb
2017-04-25AD812071.30 ppb