1,2,3-Trichloropropane

City of Clute

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	3	ND
2015	ND	4	ND
2016	ND	2	ND
2017	ND	6	ND
2018	ND	13	ND
2019	ND	3	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
2014-02-07	AC41948	ND
2014-02-07	AC41936	ND
2014-04-10	AC50144	ND
2015-01-16	AC76646	ND
2015-04-06	AC87375	ND
2015-09-01	AD05465	ND
2015-10-05	AD09445	ND
2016-02-02	AD21514	ND
2016-02-02	AD21508	ND
2017-03-21	AD76107	ND
2017-03-21	AD76059	ND
2017-10-05	AD99605	ND
2017-10-05	AD99607	ND
2017-10-05	AD99555	ND
2017-10-05	AD99553	ND
2018-01-08	AE08132	ND
2018-01-08	AE08130	ND
2018-01-08	AE08110	ND
2018-01-08	AE08128	ND
2018-01-08	AE08112	ND
2018-04-05	AE21490	ND
2018-04-05	AE21488	ND
2018-04-05	AE21472	ND
2018-04-05	AE21470	ND
2018-07-12	AE33195	ND
2018-07-12	AE33193	ND
2018-07-12	AE33167	ND
2018-07-12	AE33165	ND
2019-01-09	AE49219	ND
2019-01-09	AE49227	ND
2019-01-09	AE49231	ND