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EWG's Tap Water Database — 2021 UPDATE

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1,2,3-Trichloropropane

Central Coast Water Authority

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.

 

8

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
2017ND10ND
2018ND50ND
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
2017-11-289590-002-0851ND
2018-02-155867-002-1002ND
2018-05-039590-002-0753ND
2018-08-165867-002-1215ND
2018-09-049590-002-0938ND
2018-11-209590-002-0735ND
2019-02-209590-002-1124ND
2019-09-179590-002-1000ND