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EWG's Tap Water Database — 2021 UPDATE

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17-beta-Estradiol

Southwest Ouachita Waterworks Inc.

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2015-03-16512446PND
2015-03-16512447PND
2015-03-16512448PND
2015-03-16512449PND
2015-03-16512450PND
2015-03-16512451PND
2015-09-28515309PND
2015-09-28515310PND
2015-09-28515311PND
2015-09-28515312PND
2015-09-28515313PND
2015-09-28515314PND