1,3-Butadiene
Downey Water Department
9
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 | 9 | 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 |
|---|---|---|
| 2015-02-24 | B5B2374-04 | ND |
| 2015-02-24 | B5B2374-07 | ND |
| 2015-02-24 | B5B2374-13 | ND |
| 2015-02-24 | B5B2374-01 | ND |
| 2015-02-24 | B5B2374-10 | ND |
| 2015-08-13 | B5H1452-04 | ND |
| 2015-08-13 | B5H1452-07 | ND |
| 2015-08-13 | B5H1452-10 | ND |
| 2015-08-13 | B5H1452-01 | ND |