Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Norwalk First Taxing District

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
2013ND30ND
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2013-07-16201307170585AMND
2013-07-16201307170590AMND
2013-10-21201310220088AMND
2014-01-27201401280236AMND
2014-01-27201401280238AMND
2014-04-22201404230371AMND
2018-05-08214-14006VOC1ND
2019-02-14214-14546VOC1ND
2020-09-10214-16879VOC1ND
2021-03-11214-17912VOC1ND
2022-02-09214-19466VOC1ND
2023-02-09214-20843VOC1ND