1,2,3-Trichloropropane
Elkhorn Rd. Ws #04
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.
23
Samples
0
Samples exceeding legal limit (MCL)
23
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.290 ppb | 5 | 5 | 0.260 ppb - 0.360 ppb |
| 2019 | 0.280 ppb | 4 | 4 | 0.260 ppb - 0.310 ppb |
| 2020 | 0.323 ppb | 4 | 4 | 0.290 ppb - 0.350 ppb |
| 2021 | 0.390 ppb | 4 | 4 | 0.380 ppb - 0.400 ppb |
| 2022 | 0.413 ppb | 4 | 4 | 0.390 ppb - 0.450 ppb |
| 2023 | 0.350 ppb | 2 | 2 | 0.350 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 |
|---|---|---|
| 2018-02-08 | CA2700579_001_001-201802081355 | 0.260 ppb |
| 2018-03-08 | CA2700579_001_001-201803081157 | 0.270 ppb |
| 2018-06-08 | CA2700579_001_001-201806081454 | 0.290 ppb |
| 2018-08-06 | CA2700579_001_001-201808061119 | 0.360 ppb |
| 2018-11-14 | CA2700579_001_001-201811141155 | 0.270 ppb |
| 2019-02-05 | CA2700579_001_001-201902051142 | 0.270 ppb |
| 2019-05-17 | CA2700579_001_001-201905171325 | 0.280 ppb |
| 2019-08-07 | CA2700579_001_001-201908071317 | 0.260 ppb |
| 2019-11-11 | CA2700579_001_001-201911111538 | 0.310 ppb |
| 2020-02-14 | CA2700579_001_001-202002141215 | 0.320 ppb |
| 2020-05-14 | CA2700579_001_001-202005140810 | 0.290 ppb |
| 2020-08-10 | CA2700579_001_001-202008100955 | 0.350 ppb |
| 2020-11-03 | CA2700579_001_001-202011031039 | 0.330 ppb |
| 2021-02-02 | CA2700579_001_001-202102021323 | 0.380 ppb |
| 2021-05-11 | CA2700579_001_001-202105111415 | 0.380 ppb |
| 2021-08-10 | CA2700579_001_001-202108101358 | 0.400 ppb |
| 2021-11-01 | CA2700579_001_001-202111011526 | 0.400 ppb |
| 2022-02-14 | CA2700579_001_001-202202141307 | 0.390 ppb |
| 2022-05-09 | CA2700579_001_001-202205091305 | 0.400 ppb |
| 2022-08-10 | CA2700579_001_001-202208100955 | 0.410 ppb |
| 2022-11-16 | CA2700579_001_001-202211161110 | 0.450 ppb |
| 2023-02-08 | CA2700579_001_001-202302081025 | 0.350 ppb |
| 2023-05-15 | CA2700579_001_001-202305151050 | 0.350 ppb |