1,2,3-Trichloropropane
City of Hemet
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.
33
Samples
0
Samples exceeding legal limit (MCL)
14
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.0271 ppb | 11 | 3 | ND - 0.130 ppb |
| 2015 | ND | 1 | 0 | ND |
| 2016 | 0.01000 ppb | 2 | 1 | ND - 0.0200 ppb |
| 2017 | ND | 1 | 0 | ND |
| 2018 | 0.0357 ppb | 16 | 8 | ND - 0.150 ppb |
| 2019 | 0.0975 ppb | 2 | 2 | 0.0250 ppb - 0.170 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-01-20 | B4A1765-05 | ND |
| 2014-01-20 | B4A1765-01 | 0.0480 ppb |
| 2014-01-21 | B4A2039-01 | ND |
| 2014-01-21 | B4A2039-05 | ND |
| 2014-02-12 | B4B1385-01 | 0.130 ppb |
| 2014-07-15 | B4G1839-01 | ND |
| 2014-07-15 | B4G1837-09 | ND |
| 2014-07-15 | B4G1837-01 | 0.120 ppb |
| 2014-07-15 | B4G1837-05 | ND |
| 2014-07-15 | B4G1837-13 | ND |
| 2014-12-15 | B4L1827-01 | ND |
| 2015-03-16 | B5C1591-01 | ND |
| 2016-05-04 | 4790-025-1025 | 0.0200 ppb |
| 2016-05-04 | 4790-034-0800 | ND |
| 2017-11-13 | 4790-034-1030 | ND |
| 2018-03-29 | 4790-012-1010 | ND |
| 2018-03-29 | 4790-024-0850 | 0.0910 ppb |
| 2018-03-29 | 4790-025-0915 | 0.0190 ppb |
| 2018-03-29 | 4790-034-0945 | ND |
| 2018-04-30 | 4790-025-0800 | 0.0210 ppb |
| 2018-06-18 | 4790-034-1200 | ND |
| 2018-06-18 | 4790-024-0810 | 0.110 ppb |
| 2018-06-18 | 4790-012-1000 | ND |
| 2018-08-20 | 4790-034-0940 | ND |
| 2018-08-20 | 4790-025-0820 | 0.0220 ppb |
| 2018-08-20 | 4790-024-0810 | 0.140 ppb |
| 2018-09-18 | 4790-012-0910 | ND |
| 2018-11-28 | 4790-034-0940 | ND |
| 2018-11-28 | 4790-025-0820 | 0.0180 ppb |
| 2018-11-28 | 4790-024-0810 | 0.150 ppb |
| 2018-11-28 | 4790-012-1100 | ND |
| 2019-03-25 | 4790-024-1030 | 0.170 ppb |
| 2019-03-25 | 4790-025-1020 | 0.0250 ppb |