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EWG's Tap Water Database — 2021 UPDATE

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Estriol

California Water Service - Stockton

Estriol 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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND240ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2014-01-09201401100111SSND
2014-01-09201401100148SSND
2014-01-09201401100152SSND
2014-01-14201401150481SSND
2014-01-14201401150645SSND
2014-01-14201401150317SSND
2014-01-16201401170447SSND
2014-01-16201401170403SSND
2014-01-16201401170460SSND
2014-01-22201401230162SSND
2014-04-21201404220361SSND
2014-04-21201404220284SSND
2014-07-07201407090851SSND
2014-07-08201407090785SSND
2014-07-08201407090763SSND
2014-07-08201407090704SSND
2014-07-08201407090779SSND
2014-07-14201407150426SSND
2014-07-15201407160578SSND
2014-07-15201407160561SSND
2014-07-15201407160589SSND
2014-07-23201407240454SSND
2014-10-08201410090333SSND
2014-10-08201410090375SSND
2015-01-07201501080578SSND
2015-06-03201506040492SSND
2015-09-16201509170569SSND