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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Ponderosa Basin Mutual Water Company

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.

MORE ABOUT THIS CONTAMINANT

 

25

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
2018ND250ND
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
2018-02-122706-007-0930ND
2018-02-122706-012-1030ND
2018-02-122706-014-1045ND
2018-02-122706-009-0945ND
2018-02-122706-011-1015ND
2018-02-122706-010-1000ND
2018-04-162706-010-0840ND
2018-04-162706-012-0915ND
2018-04-162706-011-0900ND
2018-04-162706-014-0945ND
2018-04-162706-009-0820ND
2018-04-162706-004-1030ND
2018-04-162706-007-0800ND
2018-08-225802-010-0900ND
2018-08-225802-014-1030ND
2018-08-225802-009-0830ND
2018-08-225802-011-0930ND
2018-08-225802-007-0800ND
2018-08-225802-012-1000ND
2018-10-305802-014-0915ND
2018-10-305802-012-0900ND
2018-10-305802-011-0845ND
2018-10-305802-010-0830ND
2018-10-305802-009-0815ND
2018-10-305802-007-0800ND