1,2,3-Trichloropropane
Del Oro Water Company - Country Estates 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.
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 | 0.0713 ppb | 4 | 4 | 0.0590 ppb - 0.0860 ppb |
| 2019 | 0.0945 ppb | 4 | 4 | 0.0580 ppb - 0.140 ppb |
| 2020 | 0.105 ppb | 4 | 4 | 0.0810 ppb - 0.120 ppb |
| 2021 | 0.140 ppb | 3 | 3 | 0.120 ppb - 0.170 ppb |
| 2022 | 0.155 ppb | 4 | 4 | 0.120 ppb - 0.190 ppb |
| 2023 | 0.118 ppb | 4 | 4 | 0.110 ppb - 0.130 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 | CA1500314_001_001-201803061130 | 0.0860 ppb |
| 2018-05-01 | CA1500314_001_001-201805011130 | 0.0590 ppb |
| 2018-08-07 | CA1500314_001_001-201808071115 | 0.0710 ppb |
| 2018-11-06 | CA1500314_001_001-201811061235 | 0.0690 ppb |
| 2019-02-05 | CA1500314_001_001-201902051145 | 0.0920 ppb |
| 2019-05-07 | CA1500314_001_001-201905071045 | 0.0880 ppb |
| 2019-08-06 | CA1500314_001_001-201908061300 | 0.0580 ppb |
| 2019-11-05 | CA1500314_001_001-201911051140 | 0.140 ppb |
| 2020-02-04 | CA1500314_001_001-202002041145 | 0.110 ppb |
| 2020-05-05 | CA1500314_001_001-202005051150 | 0.110 ppb |
| 2020-08-04 | CA1500314_001_001-202008041140 | 0.120 ppb |
| 2020-11-03 | CA1500314_001_001-202011031145 | 0.0810 ppb |
| 2021-02-02 | CA1500314_001_001-202102021315 | 0.130 ppb |
| 2021-05-04 | CA1500314_001_001-202105041100 | 0.120 ppb |
| 2021-08-03 | CA1500314_001_001-202108031210 | 0.170 ppb |
| 2022-04-05 | CA1500314_001_001-202204051155 | 0.140 ppb |
| 2022-05-03 | CA1500314_001_001-202205031140 | 0.120 ppb |
| 2022-08-02 | CA1500314_001_001-202208021050 | 0.170 ppb |
| 2022-11-01 | CA1500314_001_001-202211011115 | 0.190 ppb |
| 2023-02-07 | CA1500314_001_001-202302071100 | 0.120 ppb |
| 2023-05-18 | CA1500314_001_001-202305181100 | 0.110 ppb |
| 2023-08-01 | CA1500314_001_001-202308011155 | 0.130 ppb |
| 2023-11-07 | CA1500314_001_001-202311071105 | 0.110 ppb |