1,2,3-Trichloropropane
San Joaquin County-raymus Village
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.
48
Samples
0
Samples exceeding legal limit (MCL)
17
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.00910 ppb | 10 | 7 | ND - 0.0200 ppb |
| 2019 | 0.00575 ppb | 4 | 3 | ND - 0.00900 ppb |
| 2020 | 0.000556 ppb | 9 | 1 | ND - 0.00500 ppb |
| 2021 | 0.00289 ppb | 9 | 3 | ND - 0.0140 ppb |
| 2022 | 0.00175 ppb | 8 | 2 | ND - 0.00800 ppb |
| 2023 | 0.001000 ppb | 8 | 1 | ND - 0.00800 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 |
|---|---|---|
| 2018-03-20 | CA3910014_001_001-201803200910 | 0.0170 ppb |
| 2018-03-20 | CA3910014_002_002-201803200920 | 0.00700 ppb |
| 2018-04-06 | CA3910014_002_002-201804061115 | 0.0150 ppb |
| 2018-04-06 | CA3910014_001_001-201804061210 | 0.0200 ppb |
| 2018-06-11 | CA3910014_001_001-201806111400 | 0.0110 ppb |
| 2018-06-11 | CA3910014_002_002-201806111415 | ND |
| 2018-09-11 | CA3910014_002_002-201809111400 | ND |
| 2018-09-11 | CA3910014_001_001-201809111340 | 0.0110 ppb |
| 2018-12-11 | CA3910014_002_002-201812111000 | ND |
| 2018-12-11 | CA3910014_001_001-201812111030 | 0.01000 ppb |
| 2019-05-09 | CA3910014_001_001-201905091130 | 0.00700 ppb |
| 2019-06-11 | CA3910014_001_001-201906111310 | 0.00900 ppb |
| 2019-09-11 | CA3910014_001_001-201909111045 | 0.00700 ppb |
| 2019-12-03 | CA3910014_002_002-201912031335 | ND |
| 2020-01-09 | CA3910014_001_001-202001091400 | ND |
| 2020-03-18 | CA3910014_001_001-202003180900 | ND |
| 2020-03-18 | CA3910014_002_002-202003180920 | ND |
| 2020-06-15 | CA3910014_001_001-202006150830 | ND |
| 2020-06-15 | CA3910014_002_002-202006150845 | ND |
| 2020-09-22 | CA3910014_002_002-202009220915 | ND |
| 2020-09-22 | CA3910014_001_001-202009220950 | 0.00500 ppb |
| 2020-12-01 | CA3910014_001_001-202012010900 | ND |
| 2020-12-01 | CA3910014_002_002-202012010845 | ND |
| 2021-03-02 | CA3910014_001_001-202103020930 | ND |
| 2021-03-02 | CA3910014_002_002-202103020905 | 0.00500 ppb |
| 2021-03-10 | CA3910014_002_002-202103101010 | ND |
| 2021-06-15 | CA3910014_002_002-202106151025 | 0.0140 ppb |
| 2021-06-15 | CA3910014_001_001-202106150945 | ND |
| 2021-09-01 | CA3910014_002_002-202109010940 | ND |
| 2021-09-01 | CA3910014_001_001-202109010955 | 0.00700 ppb |
| 2021-12-15 | CA3910014_001_001-202112151030 | ND |
| 2021-12-15 | CA3910014_002_002-202112151105 | ND |
| 2022-03-09 | CA3910014_002_002-202203091040 | ND |
| 2022-03-09 | CA3910014_001_001-202203091130 | ND |
| 2022-06-07 | CA3910014_002_002-202206071300 | ND |
| 2022-06-07 | CA3910014_001_001-202206071345 | 0.00600 ppb |
| 2022-09-20 | CA3910014_001_001-202209200940 | 0.00800 ppb |
| 2022-09-20 | CA3910014_002_002-202209200950 | ND |
| 2022-12-06 | CA3910014_001_001-202212060930 | ND |
| 2022-12-06 | CA3910014_002_002-202212060900 | ND |
| 2023-03-20 | CA3910014_002_002-202303200920 | 0.00800 ppb |
| 2023-03-20 | CA3910014_001_001-202303201000 | ND |
| 2023-06-14 | CA3910014_002_002-202306141040 | ND |
| 2023-06-14 | CA3910014_001_001-202306141125 | ND |
| 2023-09-12 | CA3910014_001_001-202309121205 | ND |
| 2023-09-12 | CA3910014_002_002-202309121120 | ND |
| 2023-12-05 | CA3910014_001_001-202312051150 | ND |
| 2023-12-05 | CA3910014_002_002-202312051030 | ND |