Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Colusa County Water District #1 - Grimes

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND10ND
2020N/A00N/A
2021N/A00N/A
2022ND10ND
2023N/A00N/A

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
2018-02-21CA0600008_001_001-201802210855ND
2018-06-20CA0600008_001_001-201806200830ND
2018-09-19CA0600008_001_001-201809190815ND
2019-04-24CA0600008_001_001-201904240840ND
2022-12-21CA0600008_001_001-202212210830ND