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EWG's Tap Water Database — 2019 UPDATE

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Estrone

Contra Costa Water District

 

8

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
2013ND80ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2013-03-12201303130365SSND
2013-03-20201303210135SSND
2013-06-11201306120211SSND
2013-06-12201306130200SSND
2013-09-10201309110439SSND
2013-09-11201309120475SSND
2013-12-10201312120835SSND
2013-12-11201312120837SSND