Know Your Environment. Protect Your Health.

22'44'-Tetrachlorobiphenyl

Harris County Water Control and Improvement District 114

NOTE: Harris County Water Control and Improvement District 114 purchases water from North Harris County Regional Water Authority which is required to test for 22'44'-tetrachlorobiphenyl. Sample information shown below was taken by North Harris County Regional Water Authority.

 

0

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND10ND
2020ND10ND
2021ND30ND
2022ND10ND
2023ND10ND

ppb = parts per billion

All test results

NOTE: Harris County Water Control and Improvement District 114 purchases water from North Harris County Regional Water Authority which is required to test for 22'44'-tetrachlorobiphenyl. Sample information shown below was taken by North Harris County Regional Water Authority.

Date Lab ID Result