Know Your Environment. Protect Your Health.

1,1-Dichloroethane

CTWC - Unionville System

NOTE: CTWC - Unionville System purchases water from Metropolitan District Commission which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Metropolitan District Commission.

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND30ND
2019ND20ND
2020ND50ND
2021ND50ND
2022ND40ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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

NOTE: CTWC - Unionville System purchases water from Metropolitan District Commission which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Metropolitan District Commission.

Date Lab ID Result
2013-07-17201307180742AMND
2013-07-17201307180553AMND
2013-07-17201307180544AMND
2013-10-09201310100586AMND
2013-10-09201310100524AMND
2013-10-09201310100588AMND
2014-01-07201401080365AMND
2014-01-07201401080426AMND
2014-01-07201401080380AMND
2014-04-08201404090441AMND
2014-04-08201404090495AMND
2014-04-08201404090429AMND
2018-07-16AE00927GEND
2018-07-16AE00911GEND
2018-07-16AE00912GEND
2019-06-05AE29314GEND
2019-06-05AE29313GEND
2019-06-05AE29315GEND
2020-06-02AE59301GEND
2020-06-02AE59305GEND
2020-06-02AE59302GEND
2021-11-23V300107450 300107457ND
2021-11-23V300107451 300107463ND
2021-11-29V300109635 300109637ND
2022-12-15V300287072 300287079ND
2022-12-15V300287053 300287060ND
2022-12-15V300287100 300287107ND
2023-12-06V300456533 300456535ND
2023-12-06V300456525 300456531ND
2023-12-06V300456527 300456529ND