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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

City of Rockport

NOTE: City of Rockport purchases water from San Patricio Municipal Water District which is required to test for bromochloromethane. Sample information shown below was taken by San Patricio Municipal Water District.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
20140.0470 ppb31ND - 0.141 ppb
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

NOTE: City of Rockport purchases water from San Patricio Municipal Water District which is required to test for bromochloromethane. Sample information shown below was taken by San Patricio Municipal Water District.

Date Lab ID Result
2012-07-181207674001ND
2013-09-11AC29908ND
2014-09-16AC67104ND
2015-09-10AD06600ND
2016-07-20AD45239ND
2017-09-13AD96017ND