1,2,3-Trichloropropane
Norwich Public Utilities
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 |
|---|---|---|---|---|
| 2014 | ND | 8 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 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 |
|---|---|---|
| 2014-06-17 | 200398126 | ND |
| 2014-06-17 | 200398127 | ND |
| 2014-06-17 | 200398125 | ND |
| 2014-09-11 | 200404222 | ND |
| 2014-09-11 | 200404220 | ND |
| 2014-12-11 | 200409477 | ND |
| 2014-12-11 | 200409481 | ND |
| 2014-12-11 | 200409479 | ND |
| 2015-03-10 | 200413492 | ND |
| 2015-03-10 | 200413493 | ND |
| 2018-09-18 | PH-0453-6304497VOC1 | ND |
| 2018-09-18 | PH-0453-6304496VOC1 | ND |
| 2018-10-03 | PH-0453-6304498VOC1 | ND |
| 2019-08-29 | PH-0453-6305611VOC1 | ND |
| 2019-08-29 | PH-0453-6305609VOC1 | ND |
| 2019-09-16 | PH-0453-6305610VOC1 | ND |
| 2020-07-09 | PH-0453-6306438VOC1 | ND |
| 2020-07-09 | PH-0453-6306437VOC1 | ND |
| 2020-07-09 | PH-0453-6306436VOC1 | ND |
| 2021-06-07 | PH-0453-6307352VOC1 | ND |
| 2021-06-23 | PH-0453-6307354VOC1 | ND |
| 2022-01-18 | PH-0453-6307960VOC1 | ND |
| 2022-02-03 | PH-0453-6307962VOC1 | ND |
| 2022-11-29 | PH-0453-6307961VOC1 | ND |
| 2023-11-14 | D3K1545-01VOC | ND |
| 2023-11-14 | D3K1545-02VOC | ND |
| 2023-11-14 | D3K1545-03VOC | ND |