Morgan Or Hanover Smelting Works is a superfund site located at 4280 South West Temple, Murray, UT 84123. The Environmental Protection Agency (EPA) identifies sites such as Morgan Or Hanover Smelting Works 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. Morgan Or Hanover Smelting Works 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.