Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

El Camino Bay Water System

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.0200 ppb21ND - 0.0400 ppb
2020ND10ND
2021ND10ND
2022ND20ND
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
2018-08-27Q1834367001ND
2019-01-28Q19038400080.0400 ppb
2019-07-01Q1941623001ND
2020-08-06Q2031204001ND
2021-08-23Q2122803001ND
2022-02-07Q2203980003ND
2022-08-01Q2221879001ND
2023-07-25Q2329492001ND