Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

Monona Waterworks

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
2021ND50ND
2022ND30ND
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
2018-07-11393604001ND
2018-09-25410134001ND
2019-04-24442084001ND
2019-09-05467810001ND
2020-07-20515426001ND
2021-02-11547362001ND
2021-02-11547362002ND
2021-02-11547362001ND
2021-02-11547362002ND
2021-09-17584334001ND
2022-03-22610616001ND
2022-03-23610869001ND
2022-09-13642092001ND
2023-03-17668942001ND
2023-03-21669257001ND
2023-03-21669257002ND
2023-07-11687958001ND