1,2,3-Trichloropropane
Woodville Farm Labor Center
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.
50
Samples
0
Samples exceeding legal limit (MCL)
50
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.0205 ppb | 12 | 12 | 0.00900 ppb - 0.0480 ppb |
| 2019 | 0.0190 ppb | 8 | 8 | 0.00900 ppb - 0.0270 ppb |
| 2020 | 0.0169 ppb | 8 | 8 | 0.00700 ppb - 0.0370 ppb |
| 2021 | 0.0197 ppb | 8 | 8 | 0.00920 ppb - 0.0330 ppb |
| 2022 | 0.0210 ppb | 6 | 6 | 0.00900 ppb - 0.0380 ppb |
| 2023 | 0.0169 ppb | 8 | 8 | 0.00800 ppb - 0.0320 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 |
|---|---|---|
| 2018-01-23 | CA5400792_002_002-201801231230 | 0.00900 ppb |
| 2018-01-23 | CA5400792_001_001-201801231205 | 0.00900 ppb |
| 2018-02-05 | CA5400792_002_002-201802051150 | 0.00900 ppb |
| 2018-02-05 | CA5400792_001_001-201802051015 | 0.0120 ppb |
| 2018-02-06 | CA5400792_002_002-201802061205 | 0.0110 ppb |
| 2018-02-06 | CA5400792_001_001-201802061100 | 0.0180 ppb |
| 2018-04-30 | CA5400792_001_001-201804300830 | 0.0320 ppb |
| 2018-04-30 | CA5400792_002_002-201804300850 | 0.0220 ppb |
| 2018-07-09 | CA5400792_002_002-201807091005 | 0.0480 ppb |
| 2018-07-09 | CA5400792_001_001-201807090930 | 0.0150 ppb |
| 2018-10-04 | CA5400792_002_002-201810041350 | 0.0380 ppb |
| 2018-10-04 | CA5400792_001_001-201810041420 | 0.0230 ppb |
| 2019-01-10 | CA5400792_001_001-201901101205 | 0.0270 ppb |
| 2019-01-10 | CA5400792_002_002-201901101215 | 0.01000 ppb |
| 2019-04-16 | CA5400792_002_002-201904161205 | 0.0230 ppb |
| 2019-04-16 | CA5400792_001_001-201904161145 | 0.0180 ppb |
| 2019-07-17 | CA5400792_001_001-201907170950 | 0.00900 ppb |
| 2019-07-17 | CA5400792_002_002-201907170920 | 0.0210 ppb |
| 2019-10-01 | CA5400792_001_001-201910011105 | 0.0180 ppb |
| 2019-10-01 | CA5400792_002_002-201910011155 | 0.0260 ppb |
| 2020-01-27 | CA5400792_002_002-202001271405 | 0.00700 ppb |
| 2020-01-27 | CA5400792_001_001-202001271330 | 0.0120 ppb |
| 2020-04-13 | CA5400792_001_001-202004131155 | 0.0130 ppb |
| 2020-04-13 | CA5400792_002_002-202004131250 | 0.0200 ppb |
| 2020-07-10 | CA5400792_002_002-202007101045 | 0.0370 ppb |
| 2020-07-10 | CA5400792_001_001-202007101105 | 0.00900 ppb |
| 2020-10-21 | CA5400792_002_002-202010211105 | 0.0280 ppb |
| 2020-10-21 | CA5400792_001_001-202010211155 | 0.00900 ppb |
| 2021-01-11 | CA5400792_001_001-202101111105 | 0.0240 ppb |
| 2021-01-11 | CA5400792_002_002-202101111150 | 0.01000 ppb |
| 2021-04-16 | CA5400792_002_002-202104161220 | 0.0330 ppb |
| 2021-04-16 | CA5400792_001_001-202104161157 | 0.01000 ppb |
| 2021-07-13 | CA5400792_002_002-202107131420 | 0.0210 ppb |
| 2021-09-22 | CA5400792_001_001-202109221220 | 0.0200 ppb |
| 2021-10-07 | CA5400792_002_002-202110071430 | 0.00920 ppb |
| 2021-10-07 | CA5400792_001_001-202110071450 | 0.0300 ppb |
| 2022-05-11 | CA5400792_001_001-202205111150 | 0.0380 ppb |
| 2022-05-11 | CA5400792_002_002-202205111205 | 0.0310 ppb |
| 2022-08-20 | CA5400792_001_001-202208201140 | 0.0120 ppb |
| 2022-08-20 | CA5400792_002_002-202208201135 | 0.0260 ppb |
| 2022-11-22 | CA5400792_001_001-202211221000 | 0.01000 ppb |
| 2022-11-22 | CA5400792_002_002-202211221005 | 0.00900 ppb |
| 2023-02-11 | CA5400792_002_002-202302111005 | 0.0200 ppb |
| 2023-02-11 | CA5400792_001_001-202302111000 | 0.0120 ppb |
| 2023-05-13 | CA5400792_002_002-202305130810 | 0.0320 ppb |
| 2023-05-13 | CA5400792_001_001-202305130815 | 0.0230 ppb |
| 2023-08-12 | CA5400792_001_001-202308121300 | 0.00800 ppb |
| 2023-08-12 | CA5400792_002_002-202308121315 | 0.0140 ppb |
| 2023-11-06 | CA5400792_001_001-202311061300 | 0.0130 ppb |
| 2023-11-06 | CA5400792_002_002-202311061305 | 0.0130 ppb |