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EWG's Tap Water Database — 2019 UPDATE

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4-Androstene-3,17-dione

California Water Service Company - Hermosa / Redondo Beach

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.

 

12

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
2013N/A00N/A
2014N/A00N/A
2015ND120ND
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2015-02-11201502120140SSND
2015-02-11201502110693SSND
2015-02-11201502120101SSND
2015-02-11201502120099SSND
2015-05-06201505070037SSND
2015-05-06201505070039SSND
2015-08-06201508060781SSND
2015-08-06201508060785SSND
2015-08-20201508200656SSND
2015-08-20201508200596SSND
2015-11-04201511040811SSND
2015-11-04201511040742SSND