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EWG's Tap Water Database — 2019 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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND70ND
2013ND80ND
20140.400 ppb81ND - 3.20 ppb
2015ND60ND
2016ND40ND
2017ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-219590-024-1112ND
2012-03-219590-019-1033ND
2012-06-139590-019-0945ND
2012-08-089590-004-1505ND
2012-08-089590-018-1430ND
2012-09-059590-019-1030ND
2012-12-059590-019-1354ND
2013-03-069590-019-0910ND
2013-03-069590-024-0958ND
2013-06-059590-019-1301ND
2013-08-149590-018-1106ND
2013-09-119590-019-0945ND
2013-09-119590-022-1510ND
2013-09-199590-004-1403ND
2013-12-049590-019-0950ND
2014-03-199590-019-1430ND
2014-06-119590-019-0930ND
2014-06-189590-024-1407ND
2014-08-069590-004-1118ND
2014-08-069590-018-1041ND
2014-09-109590-019-1302ND
2014-12-039590-019-09163.20 ppb
2014-12-179590-019-0930ND
2015-03-049590-024-1030ND
2015-03-049590-019-0929ND
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
2017-08-249590-018-1240ND
2017-08-249590-004-1135ND
2017-09-069590-019-1415ND
2017-12-059590-019-1355ND