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EWG's Tap Water Database — 2021 UPDATE

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Estriol

Clark Public Utilities

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND20ND
2014ND90ND
2015ND80ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppt = parts per trillion

All test results

Date Lab ID Result
2013-09-17A3I0852-07ND
2013-09-17A3I0852-03ND
2014-03-26A4C0715-03ND
2014-03-26A4C0715-07ND
2014-05-13A4E0222-03ND
2014-05-13A4E0222-08ND
2014-06-11A4E2186-04ND
2014-11-19A4J2055-04ND
2014-11-19A4J2055-09ND
2014-11-20A4J2062-03ND
2014-12-10A4K2008-03ND
2015-05-19A5D2282-04ND
2015-05-19A5D2279-04ND
2015-06-11A5E2086-04ND
2015-06-11A5E2086-14ND
2015-06-11A5E2086-09ND
2015-11-19A5J2330-04ND
2015-12-21A5K1239-04ND
2015-12-21A5K1239-14ND