1,2,3-Trichloropropane
Madison Service District
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.
11
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 |
|---|---|---|---|---|
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-21 | CA5700571_DST_002-201805211130 | ND |
| 2018-05-21 | CA5700571_DST_003-201805211135 | ND |
| 2018-08-31 | CA5700571_011_011-201808311000 | ND |
| 2018-08-31 | CA5700571_012_012-201808311010 | ND |
| 2018-11-28 | CA5700571_011_011-201811281000 | ND |
| 2018-11-28 | CA5700571_012_012-201811281008 | ND |
| 2019-03-29 | CA5700571_011_011-201903290936 | ND |
| 2019-03-29 | CA5700571_012_012-201903290940 | ND |
| 2019-08-29 | CA5700571_012_012-201908290820 | ND |
| 2022-03-25 | CA5700571_011_011-202203250730 | ND |
| 2022-08-30 | CA5700571_012_012-202208300830 | ND |