1,2,3-Trichloropropane

San Jacinto Special Utility District

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	4	ND
2015	ND	3	ND
2016	ND	10	ND
2017	ND	6	ND
2018	ND	3	ND
2019	ND	10	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-03-26	AC48390	ND
2014-03-26	AC48376	ND
2014-03-26	AC48384	ND
2014-03-26	AC48342	ND
2015-09-01	AD05208	ND
2015-09-01	AD05200	ND
2015-09-01	AD05202	ND
2016-03-14	AD28470	ND
2016-03-14	AD28474	ND
2016-03-14	AD28468	ND
2016-06-28	AD42185	ND
2016-06-28	AD42195	ND
2016-06-28	AD42187	ND
2016-09-24	AD51200	ND
2016-09-24	AD51180	ND
2016-12-13	AD61922	ND
2016-12-13	AD61938	ND
2017-09-14	AD96319	ND
2017-09-14	AD96313	ND
2017-09-14	AD96315	ND
2017-09-14	AD96311	ND
2017-09-14	AD96299	ND
2017-09-14	AD96309	ND
2018-03-12	AE17846	ND
2018-03-12	AE17880	ND
2018-03-12	AE17838	ND
2019-03-13	AE58285	ND
2019-03-13	AE58223	ND
2019-03-13	AE58225	ND
2019-03-13	AE58227	ND
2019-06-06	AE69515	ND
2019-06-06	AE69493	ND
2019-08-01	AE76850	ND
2019-08-01	AE76824	ND
2019-12-05	AE91443	ND
2019-12-05	AE91467	ND