Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

22'3'46-Pentachlorobiphenyl

Harris County Water Control and Improvement District 70

 

8

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
2016ND40ND
2017ND10ND
2018ND10ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2016-03-30AD31331ND
2016-03-30AD31310ND
2016-09-27AD51569ND
2016-11-22AD59089ND
2017-05-05AD83185ND
2018-03-09AE18026ND
2019-05-09AE65792ND
2019-05-09AE65791ND