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EWG's Tap Water Database — 2021 UPDATE

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17-beta-Estradiol

Alameda County Water District

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND150ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-03-24201403250222SSND
2014-03-24201403250220SSND
2014-03-24201403250270SSND
2014-03-24201403250273SSND
2014-06-02201406030454SSND
2014-06-02201406030452SSND
2014-06-02201406030458SSND
2014-06-02201406030456SSND
2014-09-08201409090360SSND
2014-09-08201409090358SSND
2014-09-08201409090356SSND
2014-09-08201409090384SSND
2014-12-08201412090321SSND
2014-12-08201412090319SSND
2014-12-08201412090317SSND