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National Drinking Water Database


1,1-Dichloroethane in Oklahoma


1,1-Dichloroethane is used in industrial chemical synthesis, as a solvent for plastics, paint, varnish, and finish removers and as an insecticide/fumigant.

The Most Polluted Communities in Oklahoma

2 water utilities reported detecting 1,1-Dichloroethane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average 1,1-Dichloroethane level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Boise City Pwa
Boise City, OK
1,4831 of 180.03 ppb
(0 to 0.6 ppb)
2Eastland Hills Mobile Home Pk
Midwest City, OK
2501 of 210.02 ppb
(0 to 0.35 ppb)

Health Based Limits for 1,1-Dichloroethane

StandardDescriptionLevel
California Public Health GoalsDefined by the State of California Office of Environmental Health Hazard Assessment (OEHHA) as the level of contaminant that is allowed in drinking water. For acutely toxic substances, levels are set at which scientific evidence indicates that no known or anticipated adverse effects on health will occur, plus an adequate margin-of safety. PHGs for carcinogens or other substances which can cause chronic disease shall be based solely on health effects without regard to cost impacts and shall be set at levels which OEHHA has determined do not pose any significant risk to health.3 ppb

Violation Summary for 1,1-Dichloroethane in Oklahoma

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards in Oklahoma since 2004

Violation TypeNumber of Violations
Failure to monitor regularly16