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EWG's Tap Water Database — 2019 UPDATE

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4-Androstene-3,17-dione

San Antonio Water System Northeast

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
2013ND50ND
2014ND70ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2013-10-08201310110250SSND
2013-10-08201310110244SSND
2013-10-08201310110242SSND
2013-10-08201310110248SSND
2013-10-08201310110246SSND
2014-01-24201401270007SSND
2014-04-14201404150335SSND
2014-04-14201404150337SSND
2014-04-14201404150333SSND
2014-04-14201404150345SSND
2014-04-15201404160660SSND
2014-07-25201407260066SSND