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EWG's Tap Water Database — 2021 UPDATE

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4-Androstene-3,17-dione

Los Angeles Department of Water and Power

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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38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND290ND
2014ND90ND
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
2013-04-09201304090337SSND
2013-04-10201304100513SSND
2013-04-10201304100509SSND
2013-04-10201304100511SSND
2013-04-10201304100515SSND
2013-04-11201304110670SSND
2013-04-11201304110672SSND
2013-04-11201304110676SSND
2013-04-11201304110666SSND
2013-04-11201304110674SSND
2013-04-11201304110668SSND
2013-07-24201307240670SSND
2013-07-24201307240672SSND
2013-07-24201307240676SSND
2013-07-24201307240674SSND
2013-07-25201307260122SSND
2013-07-25201307260120SSND
2013-07-25201307260118SSND
2013-07-25201307260124SSND
2013-10-29201310290652SSND
2013-10-29201310290646SSND
2013-10-29201310290648SSND
2013-10-29201310290650SSND
2013-10-30201310300482SSND
2013-10-30201310300486SSND
2013-10-30201310300484SSND
2013-10-30201310300488SSND
2013-10-31201310310343SSND
2013-10-31201310310345SSND
2014-03-18201403190491SSND
2014-03-18201403190487SSND
2014-03-18201403190489SSND
2014-03-19201403190859SSND
2014-03-19201403190863SSND
2014-03-19201403190861SSND
2014-03-20201403210157SSND
2014-03-20201403210153SSND
2014-03-20201403210155SSND