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EWG's Tap Water Database — 2021 UPDATE

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4-Androstene-3,17-dione

Regional Water Authority

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.

MORE ABOUT THIS CONTAMINANT

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND280ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-01-21200389835 SND
2014-01-21200389845 SND
2014-01-21200389837 SND
2014-01-21200389841 SND
2014-01-21200389855 SND
2014-01-21200389833SND
2014-01-21200389853 SND
2014-01-21200389839 SND
2014-01-21200389843 SND
2014-01-22200389861 SND
2014-04-29200394914AND
2014-04-29200394923 AND
2014-04-29200394927 AND
2014-04-29200394919 AND
2014-07-15200399801 AND
2014-07-15200399796 AND
2014-07-15200399793 AND
2014-07-15200399795 AND
2014-07-15200399799 AND
2014-07-15200399794 AND
2014-07-15200399800 AND
2014-07-15200399797 AND
2014-07-15200399792AND
2014-07-15200399798 AND
2014-10-21200406621 AND
2014-10-21200406619 AND
2014-10-21200406625 AND
2014-10-21200406627 AND