1,3-Butadiene
Johnson Utilities
20
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 | 20 | 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 |
|---|---|---|
| 2015-01-19 | 3173559 | ND |
| 2015-01-19 | 3173628 | ND |
| 2015-01-19 | 3173585 | ND |
| 2015-01-19 | 3173509 | ND |
| 2015-01-19 | 3173545 | ND |
| 2015-01-21 | 3175876 | ND |
| 2015-01-27 | 3178375 | ND |
| 2015-01-28 | 3179083 | ND |
| 2015-03-17 | 3209611 | ND |
| 2015-03-23 | 3212187 | ND |
| 2015-07-14 | 3279533 | ND |
| 2015-07-14 | 3280681 | ND |
| 2015-07-14 | 3280734 | ND |
| 2015-07-15 | 3281619 | ND |
| 2015-07-15 | 3281601 | ND |
| 2015-07-15 | 3281571 | ND |
| 2015-07-21 | 3285489 | ND |
| 2015-07-21 | 3285554 | ND |
| 2015-07-21 | 3285586 | ND |
| 2015-07-21 | 3285514 | ND |