22'3'46-Pentachlorobiphenyl
Northwest Harris County Municipal Utility District 21
NOTE: Northwest Harris County Municipal Utility District 21 purchases water from North Harris County Regional Water Authority which is required to test for 22'3'46-pentachlorobiphenyl. 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
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Northwest Harris County Municipal Utility District 21 purchases water from North Harris County Regional Water Authority which is required to test for 22'3'46-pentachlorobiphenyl. Sample information shown below was taken by North Harris County Regional Water Authority.
| Date | Lab ID | Result |
|---|