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EWG's Tap Water Database

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Ethinyl estradiol

Portland Water Bureau

Ethinyl estradiol is one of the 3 types of estrogen made by the human body. Sex hormones get into water downstream from livestock and pharmaceutical production, or incomplete removal in waste water treatment. There are no standards to gauge how risky additional hormones are for human health.

 

6

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
2014ND50ND
2015ND10ND

ppt = parts per trillion.

All test results

Date Lab ID Result
2014-03-19201403200340SSND
2014-06-26201406270434SSND
2014-07-08201407090732SSND
2014-09-11201409120826SSND
2014-12-10201412110612SSND
2015-06-17201506180496SSND