Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

17-beta-Estradiol

City of Redmond Water System

Beta-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.

 

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
2013N/A00N/A
2014ND90ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-06-25A4E1998-19ND
2014-06-25A4E1998-24ND
2014-06-25A4E1998-04ND
2014-06-25A4E1998-14ND
2014-09-24A4H1630-04ND
2014-12-17A4K1348-03ND
2014-12-17A4K1345-13ND
2014-12-17A4K1345-03ND
2014-12-17A4K1345-08ND
2015-03-04A5B1435-04ND
2015-08-18A5G2132-04ND
2015-12-15A5K1615-04ND