1,3-Butadiene
North Shelby Water District
16
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 16 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2015-01-27 | 3178421 | ND |
| 2015-01-27 | 3178340 | ND |
| 2015-01-27 | 3178448 | ND |
| 2015-01-27 | 3178310 | ND |
| 2015-04-21 | 3229914 | ND |
| 2015-04-21 | 3229932 | ND |
| 2015-04-21 | 3229866 | ND |
| 2015-04-21 | 3229892 | ND |
| 2015-07-16 | 3281778 | ND |
| 2015-07-16 | 3281580 | ND |
| 2015-07-16 | 3281762 | ND |
| 2015-07-16 | 3281675 | ND |
| 2015-10-12 | 3340849 | ND |
| 2015-10-12 | 3340789 | ND |
| 2015-10-12 | 3340798 | ND |
| 2015-10-12 | 3340812 | ND |