1,2,3-Trichloropropane
Johnston Municipal Water Supply
NOTE: Johnston Municipal Water Supply purchases water from Des Moines Water Works which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by Des Moines Water Works.
1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 6 | 0 | ND |
2015 | ND | 4 | 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 0.0007 ppb
The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
NOTE: Johnston Municipal Water Supply purchases water from Des Moines Water Works which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by Des Moines Water Works.
Date | Lab ID | Result |
---|---|---|
2014-07-30 | 180955 | ND |
2014-07-30 | 180953 | ND |
2014-07-30 | 180959 | ND |
2014-10-08 | 196216 | ND |
2014-10-08 | 196222 | ND |
2014-10-08 | 196219 | ND |
2015-01-26 | 211478 | ND |
2015-01-26 | 211497 | ND |
2015-01-26 | 211477 | ND |
2015-04-01 | 226435 | ND |
2015-04-01 | 226530 | ND |
2015-04-01 | 226431 | ND |