1,2,3-Trichloropropane
Hidden Valley Lake Community Services 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.
27
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 9 | 0 | ND |
| 2019 | ND | 9 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 3 | 0 | ND |
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 |
|---|---|---|
| 2018-01-31 | CA1710015_003_003-201801311050 | ND |
| 2018-01-31 | CA1710015_004_004-201801311040 | ND |
| 2018-01-31 | CA1710015_002_002-201801311107 | ND |
| 2018-08-22 | CA1710015_003_003-201808221040 | ND |
| 2018-08-22 | CA1710015_004_004-201808221105 | ND |
| 2018-08-22 | CA1710015_002_002-201808221055 | ND |
| 2018-12-12 | CA1710015_003_003-201812121050 | ND |
| 2018-12-12 | CA1710015_002_002-201812121020 | ND |
| 2018-12-12 | CA1710015_004_004-201812121025 | ND |
| 2019-03-27 | CA1710015_004_004-201903271118 | ND |
| 2019-03-27 | CA1710015_002_002-201903271125 | ND |
| 2019-03-27 | CA1710015_003_003-201903271140 | ND |
| 2019-06-19 | CA1710015_004_004-201906191025 | ND |
| 2019-06-19 | CA1710015_002_002-201906191000 | ND |
| 2019-06-19 | CA1710015_003_003-201906191010 | ND |
| 2019-10-23 | CA1710015_002_002-201910231050 | ND |
| 2019-10-23 | CA1710015_004_004-201910230955 | ND |
| 2019-10-23 | CA1710015_003_003-201910231020 | ND |
| 2020-01-29 | CA1710015_003_003-202001291025 | ND |
| 2020-01-29 | CA1710015_004_004-202001291045 | ND |
| 2020-01-29 | CA1710015_002_002-202001291038 | ND |
| 2020-10-07 | CA1710015_004_004-202010070945 | ND |
| 2020-10-07 | CA1710015_003_003-202010071030 | ND |
| 2020-10-07 | CA1710015_002_002-202010071001 | ND |
| 2023-12-20 | CA1710015_003_003-202312200933 | ND |
| 2023-12-20 | CA1710015_002_002-202312200924 | ND |
| 2023-12-20 | CA1710015_004_004-202312200912 | ND |