1,2,3-Trichloropropane
Maunaolu Plantation
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.
42
Samples
0
Samples exceeding legal limit (MCL)
24
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.279 ppb | 8 | 6 | ND - 0.660 ppb |
| 2019 | 0.270 ppb | 8 | 4 | ND - 0.610 ppb |
| 2020 | 0.277 ppb | 6 | 3 | ND - 0.590 ppb |
| 2021 | 0.197 ppb | 6 | 4 | ND - 0.520 ppb |
| 2022 | 0.225 ppb | 8 | 5 | ND - 0.530 ppb |
| 2023 | 0.125 ppb | 6 | 2 | ND - 0.410 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 |
|---|---|---|
| 2018-03-06 | C18-03-0022A | ND |
| 2018-06-04 | C18-06-0019A | ND |
| 2018-06-04 | 201806050880 | 0.590 ppb |
| 2018-06-04 | 201806050881 | 0.660 ppb |
| 2018-08-27 | C18-08-0240A | 0.160 ppb |
| 2018-10-30 | 201810310106 | 0.150 ppb |
| 2018-10-30 | 201810310105 | 0.570 ppb |
| 2018-11-12 | C18-11-0006A | 0.1000 ppb |
| 2019-04-16 | C19-04-0115A | ND |
| 2019-05-14 | C19-05-0064A | ND |
| 2019-06-13 | 201906140091 | 0.540 ppb |
| 2019-06-13 | 201906140090 | 0.480 ppb |
| 2019-07-16 | C19-07-0154A | ND |
| 2019-10-22 | C19-10-0089A | ND |
| 2019-11-18 | 201911190677 | 0.530 ppb |
| 2019-11-18 | 201911190678 | 0.610 ppb |
| 2020-05-11 | ND | |
| 2020-06-30 | 0.490 ppb | |
| 2020-06-30 | 0.590 ppb | |
| 2020-09-21 | ND | |
| 2020-12-01 | ND | |
| 2020-12-15 | 0.580 ppb | |
| 2021-03-02 | ND | |
| 2021-06-30 | ND | |
| 2021-09-08 | 0.0900 ppb | |
| 2021-11-17 | 0.140 ppb | |
| 2021-12-27 | 0.520 ppb | |
| 2021-12-27 | 0.430 ppb | |
| 2022-02-14 | 0.430 ppb | |
| 2022-02-14 | 0.530 ppb | |
| 2022-03-09 | 0.170 ppb | |
| 2022-06-27 | 0.280 ppb | |
| 2022-07-27 | ND | |
| 2022-10-31 | ND | |
| 2022-12-13 | ND | |
| 2022-12-13 | 0.390 ppb | |
| 2023-03-06 | ND | |
| 2023-06-19 | ND | |
| 2023-06-19 | 0.410 ppb | |
| 2023-12-11 | ND | |
| 2023-12-11 | ND | |
| 2023-12-11 | 0.340 ppb |