Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

City of Gonzales

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
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND30ND
2020ND60ND
2021ND20ND
2022ND30ND
2023ND30ND

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
2018-05-03AE25102ND
2018-08-16AE37381ND
2019-03-05AE57172ND
2019-03-05AE57184ND
2019-07-12AE74427ND
2020-01-21AE94327ND
2020-01-21AE94345ND
2020-01-21AE94427ND
2020-04-13AF06481ND
2020-07-07AF18363ND
2020-11-13AF34895ND
2021-01-13AF39138ND
2021-01-13AF39140ND
2022-03-11AF88903ND
2022-03-11AF88953ND
2022-09-30AG15716ND
2023-02-27AG30619ND
2023-02-27AG30625ND
2023-02-27AG30653ND