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EWG's Tap Water Database — 2021 UPDATE

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n-Propylbenzene

Golden State Water Company - Cowan Heights

n-Propylbenzene is a constituent of petroleum and coal, used for chemical manufacturing and in textile dyeing and printing.

MORE ABOUT THIS CONTAMINANT

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-194417-004-0925ND
2014-02-194417-001-0940ND
2014-05-20106914QND
2014-08-19108811PND
2014-08-19108810PND
2014-11-19109646PND
2015-02-024417-001-0830ND
2015-02-024417-004-0850ND
2016-01-194417-001-0835ND
2016-01-194417-004-0850ND
2017-01-104417-004-0940ND
2017-01-104417-001-0925ND
2018-01-084417-004-0905ND
2018-01-084417-001-0930ND
2019-03-254417-004-0840ND
2019-03-254417-001-0855ND
2019-04-174417-004-1000ND
2019-04-174417-004-1005ND