Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,2,3-Trichloropropane

Harris County MUD 167

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND10ND
2016ND10ND
2017ND100ND
2018ND20ND
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
2014-08-13AC63433ND
2014-08-13AC63447ND
2015-07-30AD01788ND
2016-12-05AD60361ND
2017-02-03AD68839ND
2017-02-03AD68833ND
2017-02-03AD68749ND
2017-02-03AD68751ND
2017-04-21AD80755ND
2017-04-21AD80731ND
2017-08-01AD91641ND
2017-08-01AD91627ND
2017-10-24AE01871ND
2017-10-24AE01839ND
2018-11-06AE45447ND
2018-11-06AE45445ND
2019-08-27AE81098ND
2019-08-27AE81096ND