Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

City of Santa Rosa

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
20190.730 ppb21ND - 1.46 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
2018-07-27AE34937ND
2019-03-25AE597961.46 ppb
2019-07-19AE75364ND
2020-07-24AF20682ND
2021-09-22AF70807ND
2022-01-31AF82633ND
2022-09-28AG15254ND
2023-07-19AG49343ND