1,2,3-Trichloropropane
Rolling Creek Utility 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.
16
Samples
0
Samples exceeding legal limit (MCL)
2
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | 0.0225 ppb | 4 | 1 | ND - 0.0900 ppb |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | 0.0150 ppb | 4 | 1 | ND - 0.0600 ppb |
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 |
|---|---|---|
| 2018-03-12 | AE17870 | ND |
| 2018-03-12 | AE17874 | ND |
| 2020-03-24 | AF04301 | ND |
| 2020-03-24 | AF04305 | ND |
| 2020-03-24 | AF04353 | 0.0900 ppb |
| 2020-03-24 | AF04365 | ND |
| 2021-06-17 | AF58641 | ND |
| 2021-06-17 | AF58645 | ND |
| 2021-09-17 | AF70403 | ND |
| 2021-11-08 | AF76027 | ND |
| 2022-03-24 | AF90500 | ND |
| 2022-05-04 | AF95533 | ND |
| 2023-01-23 | AG25752 | ND |
| 2023-01-23 | AG25804 | 0.0600 ppb |
| 2023-08-07 | AG51598 | ND |
| 2023-08-07 | AG51618 | ND |