Know Your Environment. Protect Your Health.

1,1-Dichloroethane

Harris County Fresh Water Supply District 1a

NOTE: Harris County Fresh Water Supply District 1a purchases water from Baytown Area Water Authority which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Baytown Area Water Authority.

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
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: Harris County Fresh Water Supply District 1a purchases water from Baytown Area Water Authority which is required to test for 1,1-dichloroethane. Sample information shown below was taken by Baytown Area Water Authority.

Date Lab ID Result
2018-08-03AE35860ND
2019-09-06AE82509ND
2020-07-14AF19344ND
2021-08-09AF65379ND
2021-10-20AF74188ND
2022-01-12AF80002ND
2022-04-04AF91855ND
2022-07-05AG03267ND
2022-07-05AG03269ND
2023-01-12AG24428ND
2023-07-11AG47888ND