Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Northwest Harris County Municipal Utility District 23

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.

 

24

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
2018ND40ND
2019ND30ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2018-01-11AE08956ND
2018-05-17AE26815ND
2018-07-12AE33153ND
2018-10-09AE42952ND
2019-01-31AE52467ND
2019-09-25AE84642ND
2019-11-07AE88933ND
2020-02-13AE98459ND
2020-02-13AE98467ND
2020-08-13AF23542ND
2020-12-03AF36488ND
2021-03-09AF46016ND
2021-04-06AF49185ND
2021-08-12AF66123ND
2021-10-21AF74371ND
2022-02-03AF83333ND
2022-05-17AF97252ND
2022-07-21AG05793ND
2022-10-25AG18331ND
2023-01-12AG24446ND
2023-01-12AG24478ND
2023-04-13AG36773ND
2023-08-17AG53066ND
2023-10-12AG59738ND