1,2,3-Trichloropropane

Crystal Clear WSC

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	12	ND
2015	ND	12	ND
2016	ND	3	ND
2017	ND	5	ND
2018	ND	3	ND
2019	ND	2	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
2014-02-04	AC41269	ND
2014-02-04	AC41289	ND
2014-02-04	AC41279	ND
2014-02-04	AC41287	ND
2014-09-04	AC65867	ND
2014-09-04	AC65845	ND
2014-10-28	Q1454120005	ND
2014-10-28	Q1454120009	ND
2014-10-28	Q1454120011	ND
2014-10-28	Q1454120001	ND
2014-10-28	Q1454120007	ND
2014-10-28	Q1454120003	ND
2015-01-26	Q1502588003	ND
2015-01-26	Q1502588001	ND
2015-04-22	Q1514967007	ND
2015-04-22	Q1514967009	ND
2015-04-22	Q1514967001	ND
2015-04-22	Q1514967005	ND
2015-04-22	Q1514967003	ND
2015-07-30	AD01820	ND
2015-07-30	AD01810	ND
2015-12-07	AD15736	ND
2015-12-07	AD15742	ND
2015-12-07	AD15746	ND
2016-03-16	AD29065	ND
2016-03-16	AD29061	ND
2016-06-07	AD39628	ND
2017-02-07	AD69288	ND
2017-02-07	AD69210	ND
2017-02-07	AD69216	ND
2017-02-07	AD69292	ND
2017-02-07	AD69294	ND
2018-02-13	AE13582	ND
2018-02-13	AE13586	ND
2018-08-09	AE36386	ND
2019-01-28	AE51624	ND
2019-01-28	AE51626	ND