1,3-Butadiene
City of Kirkland
NOTE: City of Kirkland purchases water from Seattle Public Utilities which is required to test for 1,3-butadiene. Sample information shown below was taken by Seattle Public Utilities.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.0103 ppb
The EWG Health Guideline of 0.0103 ppb for 1,3-butadiene was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.
ppb = parts per billion
All test results
NOTE: City of Kirkland purchases water from Seattle Public Utilities which is required to test for 1,3-butadiene. Sample information shown below was taken by Seattle Public Utilities.
| Date | Lab ID | Result |
|---|---|---|
| 2015-01-13 | 201501140525AM | ND |
| 2015-01-13 | 201501140778AM | ND |
| 2015-04-06 | 201504070229AM | ND |
| 2015-04-06 | 201504070359AM | ND |
| 2015-07-22 | 201507230496AM | ND |
| 2015-07-22 | 201507230482AM | ND |
| 2015-10-13 | 201509280091AM | ND |
| 2015-10-13 | 201509280090AM | ND |