Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

West Harris County Municipal Utility District 11

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND40ND
2021ND10ND
2022ND10ND
2023ND40ND

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
2018-01-29AE10992ND
2019-02-20AE55057ND
2020-06-17AF15824ND
2020-06-17AF15826ND
2020-06-17AF15858ND
2020-06-17AF15862ND
2021-07-27AF63558ND
2022-06-29AG02823ND
2023-05-18AG41120ND
2023-05-18AG41122ND
2023-05-18AG41148ND
2023-05-18AG41150ND