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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

California American Water Company - Coronado

NOTE: California American Water Company - Coronado purchases water from City of San Diego which is required to test for bromochloromethane. Sample information shown below was taken by City of San Diego.

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.

 

74

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND90ND
20130.118 ppb440.0700 ppb - 0.170 ppb
20140.0500 ppb42ND - 0.120 ppb
2015ND110ND
2016ND120ND
2017ND90ND

ppb = parts per billion

All test results

NOTE: California American Water Company - Coronado purchases water from City of San Diego which is required to test for bromochloromethane. Sample information shown below was taken by City of San Diego.

Date Lab ID Result
2012-02-019437-006-0000ND
2012-02-019437-010-0000ND
2012-02-019437-001-0000ND
2012-05-029437-006-0000ND
2012-05-029437-001-0000ND
2012-05-029437-010-0000ND
2012-08-019437-001-0000ND
2012-08-019437-006-0000ND
2012-08-019437-010-0000ND
2013-02-069437-001-0000ND
2013-02-069437-010-0000ND
2013-02-069437-006-0000ND
2013-05-019437-001-0000ND
2013-05-019437-010-0000ND
2013-05-019437-006-0000ND
2013-08-079437-006-0000ND
2013-08-079437-010-0000ND
2013-08-079437-001-0000ND
2013-08-191308683-001FND
2013-08-201308735-001FND
2013-08-211308767-001F0.0730 ppb
2013-11-069437-001-0000ND
2013-11-069437-006-0000ND
2013-11-069437-010-0000ND
2013-11-121311402-001FND
2013-11-121311404-001FND
2013-11-131311448-001FND
2014-02-059437-006-0000ND
2014-02-059437-010-0000ND
2014-02-059437-001-0000ND
2014-02-101402418-001FND
2014-02-101402421-001FND
2014-02-111402513-001FND
2014-05-079437-001-0000ND
2014-05-079437-010-0000ND
2014-05-079437-006-0000ND
2014-05-121405468-001FND
2014-05-121405511-001FND
2014-05-131405607-001FND
2014-11-059437-001-0000ND
2014-11-059437-010-0000ND
2014-11-059437-006-0000ND
2015-02-049437-001-0000ND
2015-02-049437-010-0000ND
2015-05-069437-010-0000ND
2015-05-069437-001-0000ND
2015-05-069437-006-0000ND
2015-08-059437-001-0000ND
2015-08-059437-006-0000ND
2015-08-059437-010-0000ND
2015-11-189437-006-0000ND
2015-11-189437-010-0000ND
2015-11-189437-001-0000ND
2016-02-089437-006-0000ND
2016-02-089437-010-0000ND
2016-02-089437-001-0000ND
2016-05-049437-001-0000ND
2016-05-049437-006-0000ND
2016-05-049437-010-0000ND
2016-08-049437-010-0000ND
2016-08-049437-001-0000ND
2016-08-049437-006-0000ND
2016-11-029437-010-0000ND
2016-11-029437-006-0000ND
2016-11-029437-001-0000ND
2017-02-019437-006-0000ND
2017-02-019437-001-0000ND
2017-02-019437-010-0000ND
2017-05-039437-010-0000ND
2017-05-039437-006-0000ND
2017-05-039437-001-0000ND
2017-11-019437-006-0000ND
2017-11-019437-010-0000ND
2017-11-019437-001-0000ND