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EWG's Tap Water Database — 2021 UPDATE

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4-Androstene-3,17-dione

California Water Service Company - East Los Angeles

Human sex hormones are sometimes detected at low concentrations in drinking water. There are no current health guidelines to determine whether these exposures are safe, or if they could pose a risk to human health.

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24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0160 ppt191ND - 0.310 ppt
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-02-11201402110505SSND
2014-02-11201402110502SSND
2014-02-11201402110472SSND
2014-02-18201402190135SSND
2014-02-18201402180312SSND
2014-02-18201402180278SS0.310 ppt
2014-03-10201403100283SSND
2014-05-05201405050250SSND
2014-05-12201405120241SSND
2014-08-04201408040405SSND
2014-08-04201408040414SSND
2014-08-04201408040357SSND
2014-08-04201408040366SSND
2014-08-04201408040377SSND
2014-08-06201408060805SSND
2014-08-06201408060794SSND
2014-08-06201408060796SSND
2014-11-03201411030295SSND
2014-11-03201411030324SSND
2015-02-09201502090296SSND
2015-02-09201502090123SSND
2015-02-10201502100668SSND
2015-08-17201508170409SSND
2015-08-17201508170249SSND