Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Harris County Municipal Utility District 5

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND20ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-05-02AE24843ND
2019-02-06AE53204ND
2020-02-21AE99549ND
2020-02-21AE99577ND
2021-02-02AF42236ND
2022-09-16AG13632ND
2022-11-30AG20307ND
2023-02-13AG28599ND
2023-02-13AG28629ND
2023-05-09AG39751ND
2023-08-22AG53541ND