Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Harris County Municipal Utility District 189

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND20ND
2020ND40ND
2021ND10ND
2022ND10ND
2023ND50ND

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
2015-06-09113686PND
2015-06-09113685PND
2015-12-08116315PND
2015-12-08116314PND
2018-05-17AE26821ND
2018-05-17AE26817ND
2019-07-08AE73470ND
2019-07-08AE73468ND
2020-06-23AF16548ND
2020-06-23AF16572ND
2020-06-23AF16586ND
2020-06-23AF16542ND
2021-10-14AF73563ND
2022-04-05AF92017ND
2023-07-20AG49613ND
2023-07-20AG49661ND
2023-10-12AG59736ND
2023-10-12AG59764ND
2023-11-02AG62177ND