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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

White Fence Farms Mutual Water Company No. 3

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
2014ND20ND
2015ND20ND
2016ND20ND
2017N/A00N/A
2018ND40ND
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
2014-04-083761-002-1242ND
2014-04-083761-003-1303ND
2015-12-013761-002-1300ND
2015-12-013761-003-1241ND
2016-04-123761-002-1330ND
2016-06-073761-003-1254ND
2018-03-203761-003-1230ND
2018-06-193761-003-1123ND
2018-09-183761-003-1208ND
2018-12-183761-003-1211ND