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EWG's Tap Water Database — 2021 UPDATE

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17-beta-Estradiol

California Water Service Company - East Los Angeles

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND190ND
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-02-11201402110502SSND
2014-02-11201402110505SSND
2014-02-11201402110472SSND
2014-02-18201402190135SSND
2014-02-18201402180312SSND
2014-02-18201402180278SSND
2014-03-10201403100283SSND
2014-05-05201405050250SSND
2014-05-12201405120241SSND
2014-08-04201408040405SSND
2014-08-04201408040414SSND
2014-08-04201408040357SSND
2014-08-04201408040366SSND
2014-08-04201408040377SSND
2014-08-06201408060794SSND
2014-08-06201408060805SSND
2014-08-06201408060796SSND
2014-11-03201411030324SSND
2014-11-03201411030295SSND
2015-02-09201502090296SSND
2015-02-09201502090123SSND
2015-02-10201502100668SSND
2015-08-17201508170409SSND
2015-08-17201508170249SSND