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EWG's Tap Water Database — 2021 UPDATE

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22'33'44'6-Heptachlorobiphenyl

Galveston County Water Control and Improvement District 12

NOTE: Galveston County Water Control and Improvement District 12 purchases water from Gulf Coast Water Authority Tx City which is required to test for 22'33'44'6-heptachlorobiphenyl. Sample information shown below was taken by Gulf Coast Water Authority Tx City.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND10ND
2017ND20ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

NOTE: Galveston County Water Control and Improvement District 12 purchases water from Gulf Coast Water Authority Tx City which is required to test for 22'33'44'6-heptachlorobiphenyl. Sample information shown below was taken by Gulf Coast Water Authority Tx City.

Date Lab ID Result
2014-03-17AC47186ND
2015-01-30AC78871ND
2016-01-29AD21264ND
2017-01-23AD66221ND
2018-05-09AE25803ND
2019-01-17AE50483ND