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EWG's Tap Water Database — 2019 UPDATE

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Estrone

Northwest Utilities

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND30ND
2014ND90ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Result
2013-10-23ND
2013-10-23ND
2013-10-23ND
2014-01-14ND
2014-01-14ND
2014-01-14ND
2014-04-29ND
2014-04-29ND
2014-04-30ND
2014-07-14ND
2014-07-14ND
2014-07-14ND