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EWG's Tap Water Database — 2019 UPDATE

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17-beta-Estradiol

Iowa-American Water Company - Davenport

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.

 

4

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
2014ND30ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-04-143012109ND
2014-07-013059823ND
2014-10-0827253501ND
2015-01-0728011601ND