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EWG's Tap Water Database — 2019 UPDATE

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4-Androstene-3,17-dione

City of Columbia

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.

 

8

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
2014ND40ND
2015ND40ND
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-07-14201407160691SSND
2014-07-14201407160557SSND
2014-10-14201410160419SSND
2014-10-14201410160417SSND
2015-01-13201501150661SSND
2015-01-13201501150478SSND
2015-04-14201504160399SSND
2015-04-14201504160290SSND