1,2,3-Trichloropropane

Carmichael Water 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	6	ND
2016	N/A	0	N/A
2017	N/A	0	N/A
2018	ND	18	ND
2019	N/A	0	N/A

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
2014-12-04	A4K2005-07A	ND
2014-12-04	A4K2005-04A	ND
2014-12-04	A4K2005-10A	ND
2014-12-04	A4K2005-01A	ND
2015-03-05	A5B1905-01A	ND
2015-06-04	A5E2080-04A	ND
2015-06-04	A5E2080-01A	ND
2015-06-04	A5E2080-07A	ND
2015-06-04	A5E2071-01A	ND
2015-09-23	A5H2575-01A	ND
2018-03-01	5867-009-0918	ND
2018-03-01	5867-021-1039	ND
2018-03-01	5867-006-0945	ND
2018-04-16	5810-022-1346	ND
2018-06-07	5810-022-1405	ND
2018-06-07	5810-021-0845	ND
2018-06-07	5810-020-1040	ND
2018-06-07	5810-016-1110	ND
2018-06-07	5810-009-0906	ND
2018-06-07	5810-006-0928	ND
2018-09-06	5810-022-0850	ND
2018-09-06	5810-021-1007	ND
2018-09-06	5810-009-0940	ND
2018-09-06	5810-006-0916	ND
2018-12-06	5810-021-0942	ND
2018-12-06	5810-022-1010	ND
2018-12-06	5810-009-0852	ND
2018-12-06	5810-006-0915	ND