Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

City of Colusa

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND200ND
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
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
2018-02-12CA0610002_003_003-201802120800ND
2018-02-12CA0610002_004_004-201802120815ND
2018-02-12CA0610002_002_002-201802120740ND
2018-03-13CA0610002_006_006-201803130735ND
2018-03-13CA0610002_005_005-201803130725ND
2018-06-11CA0610002_006_006-201806110900ND
2018-06-12CA0610002_005_005-201806120700ND
2018-06-12CA0610002_004_004-201806120715ND
2018-06-12CA0610002_003_003-201806120745ND
2018-06-12CA0610002_002_002-201806120735ND
2018-08-07CA0610002_004_004-201808070830ND
2018-08-07CA0610002_005_005-201808070900ND
2018-08-07CA0610002_006_006-201808070920ND
2018-08-13CA0610002_002_002-201808130920ND
2018-08-13CA0610002_003_003-201808130940ND
2018-11-19CA0610002_006_006-201811190900ND
2018-12-17CA0610002_004_004-201812170720ND
2018-12-17CA0610002_005_005-201812170745ND
2018-12-18CA0610002_003_003-201812180710ND
2018-12-18CA0610002_002_002-201812180700ND