Menu

EWG's Tap Water Database

Donate

4-Androstene-3,17-dione

City of Chicago

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
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013N/A00N/A
20140.233 ppt62ND - 0.800 ppt
2015ND20ND

ppt = parts per trillion.

All test results

Date Lab ID Result
2014-04-283015706ND
2014-04-283015739ND
2014-08-1330817430.800 ppt
2014-08-1330817230.600 ppt
2014-10-073118971ND
2014-10-073118986ND
2015-01-133169379ND
2015-01-133169399ND