1,3-Butadiene
Wilmington Water Department
8
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 | ND | 3 | 0 | ND |
| 2015 | ND | 5 | 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 |
|---|---|---|
| 2014-07-21 | 201407230331AM | ND |
| 2014-08-04 | 201408050319AM | ND |
| 2014-10-28 | 201410290519AM | ND |
| 2015-01-26 | 201501270258AM | ND |
| 2015-01-28 | 201501290403AM | ND |
| 2015-04-06 | 201504080743AM | ND |
| 2015-04-06 | 201503170252AM | ND |
| 2015-07-07 | 201507080459AM | ND |