cis-1,2-Dichloroethylene

Sparta Twp Water Utility - Lake Mohawk

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

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
2013	N/A	0	N/A
2014	ND	13	ND
2015	ND	2	ND
2016	ND	2	ND
2017	ND	13	ND
2018	ND	2	ND
2019	ND	3	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-01-30	340130060	ND
2014-02-20	340220059.3	ND
2014-05-01	340501089	ND
2014-05-01	340501088	ND
2014-05-01	340501086	ND
2014-05-01	340501087	ND
2014-08-26	340826104	ND
2014-08-26	340826103	ND
2014-08-26	340826102	ND
2014-08-26	340826101	ND
2014-10-30	341030020	ND
2014-11-12	341112067	ND
2014-11-12	341112063.6	ND
2015-04-23	350424031	ND
2015-10-20	351020157	ND
2016-04-27	360427062	ND
2016-11-29	361129017	ND
2017-01-19	370119078	ND
2017-01-19	370119079	ND
2017-01-19	370119081	ND
2017-01-19	370119080	ND
2017-06-08	370608201	ND
2017-06-08	370608200	ND
2017-06-08	370608202	ND
2017-06-08	370608199	ND
2017-07-27	370727161	ND
2017-07-27	370727160	ND
2017-08-07	370807099	ND
2017-08-07	370807100	ND
2017-10-20	371020047	ND
2018-06-13	380613219	ND
2018-10-25	381025133	ND
2019-06-13	390613110	ND
2019-06-13	390613109	ND
2019-10-30	391030108	ND