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EWG's Tap Water Database — 2019 UPDATE

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4-Androstene-3,17-dione

Water District 1 of Johnson County

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.

 

11

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
2013ND60ND
2014ND50ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2013-07-29201307300098SSND
2013-07-29201307300094SSND
2013-07-29201307300096SSND
2013-10-21201310220207SSND
2013-10-21201310220205SSND
2013-10-21201310220203SSND
2014-01-13201401140255SSND
2014-01-13201401140253SSND
2014-04-08201404090431SSND
2014-04-08201404090433SSND
2014-05-21201405220480SSND