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EWG's Tap Water Database — 2021 UPDATE

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Bromochloromethane

California Water Service (CWS) - Selma

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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND210ND
2015ND30ND
2016ND60ND
2017ND40ND
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-05A4A1432-05AND
2014-02-05A4A1432-07AND
2014-02-05A4A1432-03AND
2014-02-05A4A1432-01AND
2014-02-12A4A1442-01AND
2014-02-12A4A1448-03AND
2014-02-12A4A1448-05AND
2014-02-12A4A1442-03AND
2014-02-12A4A1442-05AND
2014-02-195701-038-1330ND
2014-04-165701-005-0908ND
2014-04-165701-013-0926ND
2014-08-13A4G2802-01AND
2014-08-13A4G2799-01AND
2014-08-13A4G2805-01AND
2014-08-19A4G2158-01AND
2014-08-19A4G2161-01AND
2014-08-19A4G2159-01AND
2014-08-19A4H0220-01AND
2014-08-26A4H1894-01AND
2014-10-215701-014-1053ND
2015-01-275701-021-0959ND
2015-06-04201506050606AMND
2015-10-209590-004-1110ND
2016-04-195701-023-0956ND
2016-04-195701-018-1020ND
2016-07-265701-022-0941ND
2016-07-265701-001-0914ND
2016-09-275701-036-1010ND
2016-11-095701-010-1030ND
2017-03-075810-038-1041ND
2017-04-115701-013-1046ND
2017-04-115701-005-1030ND
2017-10-245701-014-1122ND
2018-01-235701-021-0908ND
2018-10-165810-004-0947ND