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EWG's Tap Water Database — 2021 UPDATE

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Hexachlorobutadiene

California Domestic Water Company

Hexachlorobutadiene is an industrial chemical and possible human carcinogen.

MORE ABOUT THIS CONTAMINANT

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND70ND
2016ND80ND
2017ND80ND
2018ND70ND
2019ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-219588-014-0910ND
2014-04-099588-008-1150ND
2014-04-099588-007-1130ND
2014-04-099588-006-1140ND
2014-04-099588-005-1115ND
2014-04-099588-004-1120ND
2015-01-079588-014-0905ND
2015-04-149588-006-0945ND
2015-04-149588-004-0855ND
2015-04-149588-008-0935ND
2015-04-149588-007-0955ND
2015-04-159588-005-0915ND
2015-11-199588-020-1055ND
2016-04-119588-008-0950ND
2016-04-119588-014-0845ND
2016-04-119588-007-0915ND
2016-04-119588-004-0935ND
2016-04-119588-005-0850ND
2016-04-119588-006-0910ND
2016-07-069588-020-0910ND
2016-10-149588-020-0925ND
2017-01-109588-020-0910ND
2017-04-059588-007-0940ND
2017-04-059588-004-0920ND
2017-04-059588-005-0905ND
2017-04-059588-020-0910ND
2017-04-059588-014-0900ND
2017-04-059588-008-0955ND
2017-04-059588-006-0930ND
2018-04-109588-014-0945ND
2018-04-109588-005-0900ND
2018-04-109588-008-0930ND
2018-04-109588-020-0905ND
2018-04-109588-006-0915ND
2018-04-109588-004-0850ND
2018-04-109588-007-0920ND
2019-04-039588-005-0850ND
2019-04-039588-014-0905ND
2019-04-039588-008-0925ND
2019-04-039588-020-0900ND
2019-04-039588-007-0910ND
2019-04-039588-006-0915ND
2019-06-069588-004-1100ND