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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Knoll Enterprises

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND100ND
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2018-03-273761-001-1037ND
2018-03-273761-002-1032ND
2018-03-273761-003-1044ND
2018-06-293761-001-1021ND
2018-06-293761-002-0950ND
2018-06-293761-003-1154ND
2018-09-273761-001-1112ND
2018-09-273761-002-1139ND
2018-12-263761-001-1125ND
2018-12-263761-002-1135ND