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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

California Water Service Co-leona Valley

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND10ND
2016N/A00N/A
2017ND10ND
2018ND80ND
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
2014-01-215701-008-1129ND
2014-02-185701-001-1113ND
2014-02-185701-006-1123ND
2014-05-135701-001-1140ND
2014-05-275701-001-1212ND
2014-05-275701-006-1215ND
2015-04-145701-006-0946ND
2017-05-165701-001-0937ND
2018-02-135701-006-1531ND
2018-03-135806-001-1152ND
2018-04-245810-001-1019ND
2018-04-245810-006-1014ND
2018-07-234790-001-1204ND
2018-07-234790-006-1200ND
2018-10-154790-001-1145ND
2018-10-154790-006-1136ND