Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,2,3-Trichloropropane

Cox Addition 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.

 

7

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
2015ND10ND
2016ND20ND
2017ND10ND
2018ND10ND
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
2015-06-17Q1522671001ND
2016-03-15Q1610656001ND
2016-11-29Q1651842004ND
2017-11-15Q1758703002ND
2018-05-09Q1819092003ND
2019-06-13Q1936515003ND
2019-09-04Q1962120001ND