cis-1,2-Dichloroethylene

Emerald Coast Utilities Authority

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

324

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	0.0102 ppb	60	2	ND - 0.320 ppb
2015	0.0221 ppb	62	4	ND - 0.390 ppb
2016	0.00898 ppb	49	2	ND - 0.240 ppb
2017	ND	63	0	ND
2018	ND	44	0	ND
2019	0.00446 ppb	46	2	ND - 0.190 ppb

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	Result
2014-02-18	ND
2014-02-18	ND
2014-02-18	ND
2014-02-19	ND
2014-02-19	ND
2014-02-19	ND
2014-02-19	ND
2014-02-20	ND
2014-02-20	ND
2014-02-20	ND
2014-02-20	ND
2014-04-21	ND
2014-04-21	ND
2014-04-21	ND
2014-04-21	ND
2014-04-21	ND
2014-04-21	ND
2014-04-21	ND
2014-04-22	ND
2014-04-22	ND
2014-04-22	ND
2014-04-22	ND
2014-04-23	ND
2014-08-19	0.320 ppb
2014-08-19	ND
2014-08-19	ND
2014-08-19	ND
2014-08-19	ND
2014-08-19	ND
2014-08-19	ND
2014-08-19	ND
2014-08-20	ND
2014-08-20	ND
2014-08-20	ND
2014-08-20	ND
2014-08-20	ND
2014-08-20	ND
2014-10-07	ND
2014-10-07	ND
2014-10-07	ND
2014-10-07	ND
2014-10-07	ND
2014-10-08	ND
2014-10-08	ND
2014-10-08	ND
2014-10-08	ND
2014-10-09	ND
2014-10-09	ND
2014-10-09	ND
2014-10-13	0.290 ppb
2014-10-13	ND
2014-10-13	ND
2014-10-13	ND
2014-10-13	ND
2014-10-13	ND
2014-10-13	ND
2014-10-14	ND
2014-10-14	ND
2014-12-03	ND
2014-12-03	ND
2015-02-23	ND
2015-02-23	ND
2015-02-23	ND
2015-02-23	ND
2015-02-24	0.300 ppb
2015-02-24	ND
2015-02-24	ND
2015-02-24	ND
2015-04-03	ND
2015-04-06	0.340 ppb
2015-04-06	ND
2015-04-06	ND
2015-04-06	ND
2015-04-06	ND
2015-04-06	ND
2015-04-07	ND
2015-04-07	ND
2015-04-07	ND
2015-05-04	ND
2015-05-05	ND
2015-05-05	ND
2015-05-05	ND
2015-05-05	ND
2015-05-05	ND
2015-05-05	ND
2015-05-06	ND
2015-05-07	ND
2015-05-07	ND
2015-05-07	ND
2015-05-07	ND
2015-05-07	ND
2015-06-08	ND
2015-06-10	ND
2015-06-18	ND
2015-06-18	ND
2015-06-18	ND
2015-07-06	0.340 ppb
2015-07-06	ND
2015-07-06	ND
2015-07-06	ND
2015-07-06	ND
2015-07-06	ND
2015-07-07	ND
2015-07-07	ND
2015-07-07	ND
2015-07-07	ND
2015-07-07	ND
2015-07-07	ND
2015-07-07	ND
2015-10-05	0.390 ppb
2015-10-05	ND
2015-10-05	ND
2015-10-05	ND
2015-10-05	ND
2015-10-05	ND
2015-10-05	ND
2015-10-06	ND
2015-10-06	ND
2015-10-06	ND
2015-10-06	ND
2015-10-06	ND
2015-10-06	ND
2016-01-05	ND
2016-01-05	ND
2016-01-05	ND
2016-01-05	ND
2016-01-05	ND
2016-01-05	ND
2016-01-05	ND
2016-01-06	ND
2016-01-06	ND
2016-01-06	ND
2016-01-06	ND
2016-01-06	ND
2016-01-06	ND
2016-05-16	ND
2016-05-16	ND
2016-05-16	ND
2016-05-16	ND
2016-05-16	ND
2016-05-16	ND
2016-05-16	ND
2016-05-16	ND
2016-05-19	ND
2016-05-19	ND
2016-05-19	ND
2016-05-19	ND
2016-05-19	ND
2016-07-19	ND
2016-07-19	ND
2016-07-19	ND
2016-07-19	0.200 ppb
2016-07-20	ND
2016-07-20	ND
2016-07-20	ND
2016-07-20	ND
2016-07-20	ND
2016-07-21	ND
2016-07-21	ND
2016-11-01	ND
2016-11-01	ND
2016-11-01	ND
2016-11-01	ND
2016-11-02	ND
2016-11-02	ND
2016-11-02	ND
2016-11-02	ND
2016-11-02	ND
2016-11-02	0.240 ppb
2016-11-02	ND
2016-11-02	ND
2017-01-17	ND
2017-01-17	ND
2017-01-17	ND
2017-01-17	ND
2017-01-18	ND
2017-01-18	ND
2017-01-18	ND
2017-01-18	ND
2017-01-18	ND
2017-01-18	ND
2017-01-23	ND
2017-04-04	ND
2017-04-04	ND
2017-04-04	ND
2017-04-04	ND
2017-04-04	ND
2017-04-04	ND
2017-04-04	ND
2017-04-05	ND
2017-04-05	ND
2017-04-05	ND
2017-04-05	ND
2017-04-05	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-11	ND
2017-07-12	ND
2017-07-12	ND
2017-07-12	ND
2017-07-12	ND
2017-07-12	ND
2017-07-12	ND
2017-07-19	ND
2017-07-19	ND
2017-07-19	ND
2017-07-19	ND
2017-07-19	ND
2017-07-19	ND
2017-07-19	ND
2017-07-19	ND
2017-07-24	ND
2017-09-19	ND
2017-09-20	ND
2017-10-10	ND
2017-10-10	ND
2017-10-10	ND
2017-10-10	ND
2017-10-10	ND
2017-10-11	ND
2017-10-11	ND
2017-10-11	ND
2017-10-11	ND
2017-10-11	ND
2017-10-11	ND
2017-10-11	ND
2017-10-12	ND
2018-02-05	ND
2018-02-05	ND
2018-02-05	ND
2018-02-05	ND
2018-02-05	ND
2018-02-06	ND
2018-02-06	ND
2018-02-06	ND
2018-02-06	ND
2018-02-06	ND
2018-02-08	ND
2018-04-09	ND
2018-04-10	ND
2018-04-10	ND
2018-04-11	ND
2018-04-11	ND
2018-04-11	ND
2018-04-11	ND
2018-04-12	ND
2018-04-12	ND
2018-04-12	ND
2018-04-16	ND
2018-04-16	ND
2018-04-16	ND
2018-07-17	ND
2018-07-17	ND
2018-07-17	ND
2018-07-17	ND
2018-07-17	ND
2018-07-18	ND
2018-07-18	ND
2018-07-18	ND
2018-07-18	ND
2018-07-18	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2018-10-01	ND
2019-02-04	ND
2019-02-04	ND
2019-02-04	ND
2019-02-05	ND
2019-02-05	ND
2019-02-05	0.190 ppb
2019-02-06	ND
2019-02-06	ND
2019-02-06	ND
2019-03-06	ND
2019-05-21	ND
2019-05-21	ND
2019-05-21	ND
2019-05-21	ND
2019-05-21	ND
2019-05-22	ND
2019-05-22	ND
2019-05-22	0.0150 ppb
2019-05-22	ND
2019-05-22	ND
2019-05-22	ND
2019-05-22	ND
2019-07-16	ND
2019-07-16	ND
2019-07-16	ND
2019-07-16	ND
2019-07-16	ND
2019-07-16	ND
2019-07-16	ND
2019-07-16	ND
2019-07-16	ND
2019-07-17	ND
2019-07-17	ND
2019-07-17	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-08	ND
2019-10-09	ND
2019-10-09	ND