Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Westminster 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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND60ND
2020ND30ND
2021ND50ND
2022ND40ND
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
2018-06-20Q1824691010ND
2018-06-20Q1824691013ND
2018-06-20Q1824691016ND
2018-06-20Q1824691005ND
2018-08-23Q1834033004ND
2018-08-23Q1834033010ND
2019-02-12Q1906728001ND
2019-02-12Q1906728003ND
2019-02-12Q1906728005ND
2019-02-12Q1906728013ND
2019-05-14Q1924859003ND
2019-05-14Q1924859004ND
2020-08-05Q2030915003ND
2020-08-05Q2030915005ND
2020-08-05Q2030915001ND
2021-12-06Q2133784001ND
2021-12-06Q2133784006ND
2021-12-06Q2133784016ND
2021-12-06Q2133784018ND
2021-12-06Q2133784020ND
2022-05-11Q2214188001ND
2022-05-11Q2214188003ND
2022-05-11Q2214188005ND
2022-05-11Q2214188007ND
2023-08-15Q2334073002ND
2023-08-15Q2334073004ND
2023-08-15Q2334073010ND