1,3-Butadiene
City of Mountlake Terrace
NOTE: City of Mountlake Terrace purchases water from Alderwood Water District which is required to test for 1,3-butadiene. Sample information shown below was taken by Alderwood Water District.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | ND | 2 | 0 | ND |
2014 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
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 Mountlake Terrace purchases water from Alderwood Water District which is required to test for 1,3-butadiene. Sample information shown below was taken by Alderwood Water District.
Date | Lab ID | Result |
---|---|---|
2013-02-11 | WA97-SE1-13-0241 | ND |
2013-05-08 | WA97-SE2-13-0788 | ND |
2013-08-15 | WA97-SE3-13-1524 | ND |
2013-11-06 | WA97-SE4-13-2119 | ND |