Hexachlorobutadiene
King County Water District No 90
NOTE: King County Water District No 90 purchases water from Seattle Public Utilities which is required to test for hexachlorobutadiene. Sample information shown below was taken by Seattle Public Utilities.
Hexachlorobutadiene is an industrial chemical and possible human carcinogen.
2
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
NOTE: King County Water District No 90 purchases water from Seattle Public Utilities which is required to test for hexachlorobutadiene. Sample information shown below was taken by Seattle Public Utilities.
| Date | Lab ID | Result |
|---|---|---|
| 2023-08-15 | 4542962 | ND |
| 2023-08-15 | 4542961 | ND |