1,2,3-Trichloropropane
City of Woodway
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.
49
Samples
0
Samples exceeding legal limit (MCL)
1
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 | ND | 12 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | 0.00846 ppb | 13 | 1 | ND - 0.110 ppb |
| 2021 | ND | 6 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 12 | 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 |
|---|---|---|
| 2018-01-11 | AE08944 | ND |
| 2018-01-11 | AE08932 | ND |
| 2018-11-06 | AE45417 | ND |
| 2018-11-06 | AE45419 | ND |
| 2018-11-06 | AE45421 | ND |
| 2018-12-04 | AE47810 | ND |
| 2019-02-12 | AE54082 | ND |
| 2019-02-12 | AE54090 | ND |
| 2019-02-12 | AE54092 | ND |
| 2019-08-12 | AE78060 | ND |
| 2019-11-15 | AE89352 | ND |
| 2019-11-15 | AE89354 | ND |
| 2020-02-18 | AE98686 | ND |
| 2020-02-18 | AE98688 | ND |
| 2020-02-18 | AE98756 | ND |
| 2020-02-18 | AE98758 | ND |
| 2020-05-11 | AF10208 | ND |
| 2020-05-11 | AF10218 | 0.110 ppb |
| 2020-08-12 | AF23065 | ND |
| 2020-08-12 | AF23063 | ND |
| 2020-08-12 | AF23061 | ND |
| 2020-08-12 | AF23049 | ND |
| 2020-08-12 | AF23039 | ND |
| 2020-08-12 | AF23035 | ND |
| 2020-08-12 | AF23051 | ND |
| 2021-01-19 | AF39759 | ND |
| 2021-01-19 | AF39761 | ND |
| 2021-01-19 | AF39765 | ND |
| 2021-04-05 | AF48975 | ND |
| 2021-04-05 | AF48977 | ND |
| 2021-04-05 | AF48979 | ND |
| 2022-02-15 | AF84930 | ND |
| 2022-02-15 | AF84936 | ND |
| 2022-02-15 | AF84938 | ND |
| 2022-02-15 | AF84940 | ND |
| 2022-04-13 | AF93178 | ND |
| 2022-04-13 | AF93180 | ND |
| 2023-03-08 | AG32198 | ND |
| 2023-03-08 | Q2309817001 | ND |
| 2023-04-24 | AG37720 | ND |
| 2023-04-24 | AG37722 | ND |
| 2023-04-24 | AG37724 | ND |
| 2023-04-24 | AG37726 | ND |
| 2023-04-24 | AG37742 | ND |
| 2023-04-24 | AG37744 | ND |
| 2023-04-24 | AG37746 | ND |
| 2023-04-24 | AG37748 | ND |
| 2023-07-13 | AG48497 | ND |
| 2023-07-13 | AG48555 | ND |