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EWG's Tap Water Database — 2019 UPDATE

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4-Androstene-3,17-dione

Los Angeles County WW District 4 & 34-Lancaster

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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND160ND
2014ND180ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2013-11-14201311150378SSND
2013-11-18201311210801SSND
2013-11-18201311200623SSND
2013-11-18201311210815SSND
2013-11-18201311200611SSND
2013-11-19201311250062SSND
2013-11-19201311220610SSND
2013-11-19201311250078SSND
2013-11-19201311220608SSND
2013-11-20201312020184SSND
2013-11-20201311270082SSND
2013-11-20201312020193SSND
2013-11-20201311270080SSND
2013-11-25201312030252SSND
2013-11-25201312040648SSND
2013-11-25201312030254SSND
2014-02-13201402140365SSND
2014-05-13201405160338SSND
2014-05-13201405160379SSND
2014-05-13201405160381SSND
2014-05-14201405220244SSND
2014-05-14201405160334SSND
2014-05-14201405160336SSND
2014-05-14201405190271SSND
2014-05-14201405190269SSND
2014-05-14201405160332SSND
2014-05-20201405230366SSND
2014-05-20201405220248SSND
2014-05-21201405230368SSND
2014-05-21201405290634SSND
2014-05-21201405230356SSND
2014-05-27201405290650SSND
2014-05-27201405290654SSND
2014-08-07201408120547SSND