Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

City of Rio Hondo

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND20ND
2020ND40ND
2021ND20ND
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
2018-08-15AE37208ND
2019-02-08AE53863ND
2019-07-10AE73936ND
2020-03-06AF01729ND
2020-06-09AF14663ND
2020-08-19AF24306ND
2020-10-07AF29837ND
2021-01-27AF41377ND
2021-04-29AF51966ND
2022-02-03AF83317ND
2022-02-03AF83451ND
2023-02-01AG27165ND