1,2,3-Trichloropropane
City of Friendswood
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.
52
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 | ND | 15 | 0 | ND |
| 2014 | ND | 9 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2013-05-01 | 1305094-009E | ND |
| 2013-05-01 | 1305094-007E | ND |
| 2013-05-01 | 1305094-001E | ND |
| 2013-05-01 | 1305094-013E | ND |
| 2013-05-01 | 1305094-011E | ND |
| 2013-05-01 | 1305094-003E | ND |
| 2013-05-01 | 1305094-005E | ND |
| 2013-08-22 | Q1306099001 | ND |
| 2013-11-14 | Q1313371013 | ND |
| 2013-11-14 | Q1313371001 | ND |
| 2013-11-14 | Q1313371005 | ND |
| 2013-11-14 | Q1313371003 | ND |
| 2013-11-14 | Q1313371009 | ND |
| 2013-11-14 | Q1313371011 | ND |
| 2013-11-14 | Q1313371007 | ND |
| 2014-02-18 | Q1404903001 | ND |
| 2014-02-20 | AC43887 | ND |
| 2014-02-20 | AC43909 | ND |
| 2014-02-20 | AC43899 | ND |
| 2014-02-20 | AC43907 | ND |
| 2014-02-20 | AC43893 | ND |
| 2014-02-20 | AC43875 | ND |
| 2014-02-20 | AC43867 | ND |
| 2014-03-20 | AC47825 | ND |
| 2015-02-05 | AC79510 | ND |
| 2015-02-05 | AC79512 | ND |
| 2015-02-05 | AC79506 | ND |
| 2015-02-05 | AC79514 | ND |
| 2016-02-04 | AD22119 | ND |
| 2016-02-04 | AD22173 | ND |
| 2016-02-04 | AD22161 | ND |
| 2016-02-04 | AD22177 | ND |
| 2016-09-28 | AD51724 | ND |
| 2016-10-26 | AD54839 | ND |
| 2017-01-19 | AD65723 | ND |
| 2017-01-19 | AD65721 | ND |
| 2017-01-19 | AD65743 | ND |
| 2017-01-19 | AD65803 | ND |
| 2017-01-19 | AD65805 | ND |
| 2017-01-19 | AD65797 | ND |
| 2017-05-03 | AD82516 | ND |
| 2017-05-03 | AD82490 | ND |
| 2018-01-29 | AE11006 | ND |
| 2018-05-21 | AE27042 | ND |
| 2018-05-21 | AE27044 | ND |
| 2018-09-17 | AE40251 | ND |
| 2019-02-04 | AE52712 | ND |
| 2019-02-04 | AE52710 | ND |
| 2019-02-04 | AE52716 | ND |
| 2019-02-04 | AE52718 | ND |
| 2019-04-22 | AE63211 | ND |
| 2019-07-15 | AE74435 | ND |