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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

California Water Service Company Oak Hills

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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND30ND
2016ND20ND
2017ND20ND
2018ND110ND
2019ND30ND

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
2014-01-095701-001-1445ND
2014-02-125701-001-1400ND
2014-03-035701-001-1436ND
2014-04-085701-001-1250ND
2014-05-125701-001-0940ND
2014-06-175701-001-1050ND
2014-06-185701-008-1352ND
2014-07-075701-001-1315ND
2014-09-249590-008-0923ND
2014-12-085701-008-1515ND
2015-01-085701-003-1136ND
2015-01-085701-001-1215ND
2015-03-195701-008-1426ND
2016-06-225701-008-0928ND
2016-12-085810-008-1301ND
2017-06-205701-008-1100ND
2017-09-265701-003-1320ND
2018-01-225701-003-0925ND
2018-03-055701-008-1117ND
2018-03-215701-001-1043ND
2018-04-235701-003-0907ND
2018-04-275810-001-1536ND
2018-06-209590-008-0941ND
2018-07-309590-008-1341ND
2018-09-255701-003-1258ND
2018-10-119590-008-1046ND
2018-10-119590-003-1033ND
2018-10-119590-001-1059ND
2019-01-225810-003-0940ND
2019-06-195810-008-1335ND
2019-09-125810-003-1352ND