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EWG's Tap Water Database — 2021 UPDATE

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Isopropylbenzene

Cascade Waterworks

Isopropylbenzene, also called cumene, is an intermediate in industrial chemical production, and is also used as a thinner for paints and enamels. The National Toxicology Program classifies isopropylbenzene as a "reasonably anticipated" 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
2014-04-09127147001ND
2014-07-09144449001ND
2015-08-03209485001ND
2016-08-17272874001ND
2017-08-15336206001ND
2017-08-15336207001ND
2018-08-06399122001ND
2019-08-19464659001ND