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EWG's Tap Water Database — 2021 UPDATE

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17-beta-Estradiol

Golden State Water Company (GSWC) - Southwest

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
2013ND230ND
2014ND10ND
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
2013-06-10201306100486SSND
2013-06-10201306100488SSND
2013-06-10201306100484SSND
2013-06-10201306100478SSND
2013-06-10201306100490SSND
2013-06-17201306180028SSND
2013-06-17201306180020SSND
2013-06-17201306180024SSND
2013-06-17201306180030SSND
2013-06-17201306180014SSND
2013-07-23201307230633SSND
2013-09-18201309190354SSND
2013-12-09201312100166SSND
2013-12-10201312110518SSND
2013-12-10201312110534SSND
2013-12-11201312120539SSND
2013-12-11201312120511SSND
2013-12-11201312120537SSND
2013-12-16201312160220SSND
2013-12-16201312160216SSND
2013-12-17201312170716SSND
2013-12-17201312170714SSND
2013-12-18201312180743SSND
2014-03-10201403100301SSND