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EWG's Tap Water Database — 2021 UPDATE

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Hexachlorobutadiene

El Dorado Waterworks

Hexachlorobutadiene is an industrial chemical and possible human carcinogen.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND10ND
2017ND20ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-2914121002702ND
2014-11-1214317002902ND
2015-05-2715148009202ND
2016-04-1116105004602ND
2017-06-1317166001602ND
2017-10-1117285000502ND
2018-04-3018123005702ND
2019-05-1319136000402ND