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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

Issaquah Water System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND40ND
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017N/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
2012-05-0716665ND
2012-05-0716664ND
2013-07-22WA97-SE1-13-1307ND
2013-07-22WA97-SE1-13-1307ND
2013-07-22WA97-SE1-1301307ND
2013-07-22WA97-SE1-13-1307ND
2015-03-11WA97-SE1-15-0464ND
2015-03-11WA97-SE1-15-0464ND
2015-03-11WA97-SE1-15-0464ND
2015-03-11WA97-SE1-15-0464ND
2015-09-1644717ND
2015-09-1644716ND