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EWG's Tap Water Database — 2021 UPDATE

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tert-Butyl alcohol

California Water Service Company - Dominguez

tert-Butyl alcohol is an industrial chemical and a gasoline additive. It can also form as a breakdown product of the common drinking water contaminant MTBE.

MORE ABOUT THIS CONTAMINANT

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.400 ppb81ND - 3.20 ppb
2015ND60ND
2016ND40ND
2017ND70ND
2018ND70ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-199590-019-1430ND
2014-06-119590-019-0930ND
2014-06-189590-024-1407ND
2014-08-069590-018-1041ND
2014-08-069590-004-1118ND
2014-09-109590-019-1302ND
2014-12-039590-019-09163.20 ppb
2014-12-179590-019-0930ND
2015-03-049590-019-0929ND
2015-03-049590-024-1030ND
2015-03-259590-018-1350ND
2015-06-039590-019-1015ND
2015-08-199590-004-1312ND
2015-09-029590-019-1050ND
2016-03-239590-018-1340ND
2016-08-039590-004-1300ND
2016-08-109590-018-1505ND
2016-12-289590-019-0930ND
2017-03-089590-019-1430ND
2017-03-099590-019-1336ND
2017-08-169590-018-1230ND
2017-08-249590-004-1135ND
2017-08-249590-018-1240ND
2017-09-069590-019-1415ND
2017-12-059590-019-1355ND
2018-03-079590-024-1340ND
2018-03-079590-019-1435ND
2018-06-139590-019-1418ND
2018-08-089590-018-1110ND
2018-08-319590-004-1100ND
2018-09-199590-019-0948ND
2018-12-289590-019-1210ND
2019-02-219590-065-1345ND
2019-03-139590-024-1445ND
2019-08-149590-018-1445ND
2019-08-149590-004-1332ND