1,1-Dichloroethane

Jefferson County PWSD 3

NOTE: Jefferson County PWSD 3 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.

1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.

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	ND	4	ND
2014	ND	5	ND
2015	N/A	0	N/A
2016	N/A	0	N/A
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	N/A	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 3 ppb

The EWG Health Guideline of 3 ppb for 1,1-dichloroethane 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
2013-02-05	21020101	ND
2013-02-05	21018301	ND
2013-02-05	21019901	ND
2013-02-06	21016401	ND
2013-02-06	21017401	ND
2013-05-09	21801201	ND
2013-05-09	21801001	ND
2013-05-09	21798501	ND
2013-05-09	21797501	ND
2013-05-09	21799401	ND
2013-08-08	23174401	ND
2013-08-08	23171901	ND
2013-08-08	23170901	ND
2013-08-08	23172801	ND
2013-08-08	23174601	ND
2013-11-05	23931601	ND
2013-11-05	23933501	ND
2013-11-06	23935301	ND
2013-11-06	23935101	ND
2013-11-06	23932601	ND
2014-07-23	AC30071	ND
2014-07-23	AC30072	ND
2014-07-23	AC30070	ND
2014-07-23	AC30069	ND
2014-07-23	AC30068	ND