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EWG's Tap Water Database — 2021 UPDATE

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22'33'44'6-Heptachlorobiphenyl

Grand Harbor Water System

 

4

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
2015N/A00N/A
2016ND20ND
2017N/A00N/A
2018N/A00N/A
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2016-12-15AD62484ND
2016-12-15AD62485ND
2019-06-13AE70695ND
2019-06-13AE70696ND