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EWG's Tap Water Database — 2021 UPDATE

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Estrone

Herndon

NOTE: Herndon purchases water from Fairfax County Water Authority which is required to test for estrone. Sample information shown below was taken by Fairfax County Water Authority.

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20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

NOTE: Herndon purchases water from Fairfax County Water Authority which is required to test for estrone. Sample information shown below was taken by Fairfax County Water Authority.

Date Lab ID Result
2013-07-17201307190415SSND
2013-07-17201307180811SSND
2013-07-17201307180824SSND
2013-07-17201307180820SSND
2013-07-17201307180822SSND
2013-10-15201310160171SSND
2013-10-15201310160176SSND
2013-10-15201310160200SSND
2013-10-15201310160208SSND
2013-10-15201310160210SSND
2014-01-13201401140197SSND
2014-01-13201401150723SSND
2014-01-13201401150621SSND
2014-01-13201401140199SSND
2014-01-14201401150684SSND
2014-04-14201404150283SSND
2014-04-14201404150439SSND
2014-04-14201404150405SSND
2014-04-14201404150441SSND
2014-04-14201404150219SSND