1,3-Butadiene
CTWC - Naugatuck Region-Central System
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 |
|---|---|---|---|---|
| 2013 | ND | 7 | 0 | ND |
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2013-05-29 | 201305300168AM | ND |
| 2013-05-29 | 201305300148AM | ND |
| 2013-05-29 | 201305300192AM | ND |
| 2013-08-13 | 201308140348AM | ND |
| 2013-11-18 | 201311190229AM | ND |
| 2013-11-18 | 201311190238AM | ND |
| 2013-11-19 | 201311200412AM | ND |
| 2014-02-11 | 201402120585AM | ND |