Know Your Environment. Protect Your Health.

1,2,3-Trichloropropane

City of Washougal

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND30ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND10ND
2020N/A00N/A
2021ND20ND
2022ND40ND
2023N/A00N/A

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
2013-09-101047773003ND
2013-09-101047773001ND
2013-09-101047773005ND
2014-10-072033837001ND
2019-05-07ND
2021-05-174118751ND
2021-06-234136257ND
2022-09-084359900ND
2022-09-084359904ND
2022-09-084359902ND
2022-11-084374608ND