1,1-Dichloroethane

Keene Water Department

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

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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	9	ND
2015	ND	7	ND
2016	ND	5	ND
2017	ND	5	ND
2018	ND	5	ND
2019	ND	5	ND

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
2014-05-01	201405020171AM	ND
2014-05-01	201405020167AM	ND
2014-05-14	201405150183AM	ND
2014-07-16	1407-14071-001	ND
2014-08-26	201408270838AM	ND
2014-11-12	1411-23738-001	ND
2014-11-12	1411-23759-001	ND
2014-11-12	1411-23773-001	ND
2014-12-11	1412-25497-001	ND
2015-03-09	201503100522AM	ND
2015-03-09	201503100570AM	ND
2015-07-16	1507-14524-001	ND
2015-10-21	1510-23050-001	ND
2015-10-21	1510-23051-001	ND
2015-10-21	1510-23053-001	ND
2015-10-21	1510-23048-001	ND
2016-07-13	1607-15109-001	ND
2016-10-26	1610-24755-001	ND
2016-10-26	1610-24753-001	ND
2016-11-02	1611-25387-001	ND
2016-11-09	1611-25929-001	ND
2017-07-12	1707-15776-001	ND
2017-10-18	1710-25362-001	ND
2017-10-18	1710-25339-001	ND
2017-10-18	1710-25350-001	ND
2017-11-15	1711-27694-001VO	ND
2018-07-25	1807-18364-001	ND
2018-10-17	1810-27331-001	ND
2018-10-17	1810-27349-001	ND
2018-10-17	1810-27364-001	ND
2018-12-11	1812-32023-001	ND
2019-07-31	1908-18886-002	ND
2019-10-09	1910-26705-001	ND
2019-10-09	1910-26705-002	ND
2019-11-06	1911-29206-001-V	ND
2019-11-06	1911-29213-001-V	ND