Propachlor
Helena Water Sewer
Propachlor is a carcinogenic, DNA-damaging herbicide also associated with adverse developmental effects and reproductive toxicity. Propachlor use is discontinued in the U.S.
4
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 | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-08-06 | 15219000506 | ND |
| 2015-12-08 | 15344002406 | ND |
| 2018-07-17 | 18200000306 | ND |
| 2018-10-22 | 18298004206 | ND |