Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

West Delta Water Supply Corporation

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND10ND
2023ND10ND

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
2018-06-21Q1824881002ND
2018-06-21Q1824881007ND
2019-08-26Q1959454002ND
2020-05-28Q2021184001ND
2021-09-20Q2125612002ND
2021-09-20Q2125612004ND
2022-12-05Q2236037001ND
2023-09-25Q2341197001ND