Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Downtown Graton Mutual Water System

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019ND10ND
2020N/A00N/A
2021ND10ND
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
2018-03-29CA4901246_002_002-201803291405ND
2018-06-29CA4901246_002_002-201806291600ND
2018-06-29CA4901246_003_003-201806291550ND
2018-09-28CA4901246_003_003-201809281535ND
2018-09-28CA4901246_002_002-201809281545ND
2018-12-13CA4901246_002_002-201812131525ND
2018-12-13CA4901246_003_003-201812131515ND
2019-03-28CA4901246_003_003-201903281030ND
2021-03-29CA4901246_002_002-202103291350ND
2022-03-24CA4901246_003_003-202203241450ND