1,3-Butadiene
Waterloo Water Works
18
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 | 18 | 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 |
|---|---|---|
| 2014-03-26 | 776989-11060 | ND |
| 2014-03-26 | 776985-11060 | ND |
| 2014-03-26 | 777003-11060 | ND |
| 2014-03-26 | 776987-11060 | ND |
| 2014-03-26 | 776997-11060 | ND |
| 2014-03-26 | 776999-11060 | ND |
| 2014-03-26 | 777001-11060 | ND |
| 2014-03-26 | 776991-11060 | ND |
| 2014-03-26 | 776995-11060 | ND |
| 2014-09-16 | 818941-12333 | ND |
| 2014-09-16 | 818908-12333 | ND |
| 2014-09-16 | 818943-12339 | ND |
| 2014-09-16 | 818933-12333 | ND |
| 2014-09-16 | 818945-12339 | ND |
| 2014-09-16 | 818910-12339 | ND |
| 2014-09-16 | 818935-12333 | ND |
| 2014-09-16 | 818937-12333 | ND |
| 2014-09-16 | 818947-12339 | ND |