1,3-Butadiene
Caldwell County Water System-SE
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 | 2 | 0 | ND |
| 2015 | ND | 6 | 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 |
|---|---|---|
| 2014-12-17 | 836435-13058 | ND |
| 2014-12-17 | 836431-13058 | ND |
| 2015-03-23 | 849939-13707 | ND |
| 2015-03-23 | 849935-13707 | ND |
| 2015-06-16 | 865843-14325 | ND |
| 2015-06-16 | 865882-14325 | ND |
| 2015-09-15 | 883282-14919 | ND |
| 2015-09-15 | 883278-14919 | ND |