Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Harris County Water Control and Improvement District 96

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
2020ND60ND
2021ND10ND
2022ND10ND
2023ND20ND

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
2019-08-13AE78335ND
2019-08-13AE78357ND
2019-10-07AE85818ND
2019-10-07AE85822ND
2020-02-05AE97121ND
2020-02-05AE97137ND
2020-06-03AF13914ND
2020-06-03AF13920ND
2020-08-26AF25421ND
2020-11-30AF35852ND
2021-02-23AF43925ND
2022-06-21AG01691ND
2023-09-05AG54842ND
2023-09-05AG54884ND