Griffin Wheel Dump is a superfund site located at 1280 S Jefferson Lane, Colton, CA 92324. The Environmental Protection Agency (EPA) identifies sites such as Griffin Wheel Dump because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Griffin Wheel Dump is currently registered as an Active superfund site by the EPA. However, it is not on the NPL (National Priorities List), which means the EPA does not consider it one of the nation's most hazardous waste sites.