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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

City of Carlsbad

NOTE: City of Carlsbad purchases water from San Diego County Water Authority which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by San Diego County 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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND30ND
2015ND10ND
2016ND10ND
2017ND10ND

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

NOTE: City of Carlsbad purchases water from San Diego County Water Authority which is required to test for 1,2,3-trichloropropane. Sample information shown below was taken by San Diego County Water Authority.

Date Lab ID Result
2012-10-029590-001-1319ND
2013-09-119590-001-1140ND
2014-12-299590-001-1003ND
2015-08-259590-003-1330ND
2016-11-299590-003-1303ND
2017-07-059590-003-1125ND