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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Hemlock 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.

 

12

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
2015ND10ND
2016ND20ND
2017N/A00N/A
2018ND70ND
2019ND20ND

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
2015-06-02113626PND
2016-09-069588-001-0840ND
2016-09-069588-002-0830ND
2018-03-099588-001-0920ND
2018-03-099588-002-0910ND
2018-06-279588-002-0910ND
2018-09-069588-001-0910ND
2018-09-069588-002-0850ND
2018-12-059588-001-0915ND
2018-12-059588-002-0905ND
2019-03-059588-001-0905ND
2019-06-059588-001-0925ND