1,2,3-Trichloropropane
East Pasadena 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.
51
Samples
0
Samples exceeding legal limit (MCL)
37
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 0.0167 ppb | 16 | 12 | ND - 0.0270 ppb |
| 2017 | 0.0222 ppb | 25 | 25 | 0.0140 ppb - 0.0280 ppb |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2016-06-06 | 3761-012-0900 | ND |
| 2016-06-06 | 3761-005-0925 | ND |
| 2016-10-10 | 3761-006-0820 | 0.0230 ppb |
| 2016-10-17 | 3761-006-0850 | 0.0170 ppb |
| 2016-10-18 | 9588-005-1030 | ND |
| 2016-10-18 | 9588-012-1040 | ND |
| 2016-10-25 | 3761-006-0815 | 0.0270 ppb |
| 2016-10-31 | 3761-006-1025 | 0.0180 ppb |
| 2016-11-07 | 3761-006-0840 | 0.0190 ppb |
| 2016-11-14 | 3761-006-0810 | 0.0180 ppb |
| 2016-11-21 | 3761-006-0850 | 0.0190 ppb |
| 2016-11-28 | 3761-006-0845 | 0.0260 ppb |
| 2016-12-05 | 3761-006-0830 | 0.0260 ppb |
| 2016-12-12 | 3761-006-0810 | 0.0250 ppb |
| 2016-12-19 | 3761-006-0830 | 0.0250 ppb |
| 2016-12-27 | 3761-006-0945 | 0.0240 ppb |
| 2017-01-04 | 3761-006-0835 | 0.0240 ppb |
| 2017-01-09 | 3761-006-0845 | 0.0210 ppb |
| 2017-01-16 | 3761-006-0815 | 0.0180 ppb |
| 2017-01-24 | 3761-006-0825 | 0.0250 ppb |
| 2017-01-30 | 3761-006-0730 | 0.0280 ppb |
| 2017-02-07 | 3761-006-0840 | 0.0200 ppb |
| 2017-02-13 | 3761-006-0845 | 0.0180 ppb |
| 2017-02-21 | 3761-006-0925 | 0.0190 ppb |
| 2017-02-27 | 3761-006-0845 | 0.0180 ppb |
| 2017-03-06 | 3761-006-0845 | 0.0160 ppb |
| 2017-03-14 | 3761-006-0900 | 0.0170 ppb |
| 2017-03-20 | 3761-006-0925 | 0.0170 ppb |
| 2017-03-27 | 3761-006-0950 | 0.0180 ppb |
| 2017-04-03 | 3761-006-0840 | 0.0260 ppb |
| 2017-04-10 | 3761-006-0850 | 0.0250 ppb |
| 2017-04-17 | 3761-006-0955 | 0.0270 ppb |
| 2017-04-24 | 3761-006-0845 | 0.0250 ppb |
| 2017-05-01 | 3761-006-0905 | 0.0260 ppb |
| 2017-05-09 | 3761-006-0855 | 0.0240 ppb |
| 2017-05-15 | 3761-006-0845 | 0.0250 ppb |
| 2017-05-23 | 3761-006-0820 | 0.0250 ppb |
| 2017-05-30 | 3761-006-0825 | 0.0260 ppb |
| 2017-06-05 | 3761-006-0840 | 0.0260 ppb |
| 2017-06-12 | 3761-006-0825 | 0.0270 ppb |
| 2017-07-17 | 3761-006-0840 | 0.0140 ppb |
| 2018-01-12 | 9588-005-1125 | ND |
| 2018-01-12 | 9588-012-1105 | ND |
| 2018-04-11 | 9588-012-1035 | ND |
| 2018-04-11 | 9588-005-1015 | ND |
| 2018-07-12 | 9588-012-1050 | ND |
| 2018-07-12 | 9588-005-1035 | ND |
| 2018-10-03 | 9588-012-1040 | ND |
| 2018-10-03 | 9588-005-1050 | ND |
| 2019-11-25 | 9588-005-1120 | ND |
| 2019-11-25 | 9588-012-1055 | ND |