1,2,3-Trichloropropane
Marygold Mutual Water Company
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.
28
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 11 | 0 | ND |
| 2020 | ND | 11 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-03-28 | CA3610028_007_007-201803281150 | ND |
| 2018-03-28 | CA3610028_006_006-201803281150 | ND |
| 2018-09-12 | CA3610028_007_007-201809121040 | ND |
| 2018-09-26 | CA3610028_006_006-201809261016 | ND |
| 2019-01-16 | CA3610028_007_007-201901160951 | ND |
| 2019-01-30 | CA3610028_006_006-201901301003 | ND |
| 2019-04-17 | CA3610028_007_007-201904171004 | ND |
| 2019-04-24 | CA3610028_006_006-201904241007 | ND |
| 2019-05-15 | CA3610028_006_006-201905151054 | ND |
| 2019-06-12 | CA3610028_007_007-201906121130 | ND |
| 2019-07-17 | CA3610028_006_006-201907171046 | ND |
| 2019-07-24 | CA3610028_007_007-201907241101 | ND |
| 2019-10-09 | CA3610028_006_006-201910091027 | ND |
| 2019-10-16 | CA3610028_007_007-201910161030 | ND |
| 2019-12-11 | CA3610028_006_006-201912110921 | ND |
| 2020-03-24 | CA3610028_007_007-202003240900 | ND |
| 2020-03-25 | CA3610028_006_006-202003250802 | ND |
| 2020-04-01 | CA3610028_007_007-202004010808 | ND |
| 2020-04-15 | CA3610028_006_006-202004150755 | ND |
| 2020-04-22 | CA3610028_007_007-202004220800 | ND |
| 2020-07-08 | CA3610028_006_006-202007080743 | ND |
| 2020-07-15 | CA3610028_007_007-202007150745 | ND |
| 2020-07-29 | CA3610028_006_006-202007290726 | ND |
| 2020-10-07 | CA3610028_007_007-202010070747 | ND |
| 2020-10-21 | CA3610028_006_006-202010210750 | ND |
| 2020-10-28 | CA3610028_007_007-202010280740 | ND |
| 2023-05-03 | CA3610028_006_006-202305030725 | ND |
| 2023-05-31 | CA3610028_007_007-202305310700 | ND |