Gold Hill And Iowa Mines is a superfund site located at T7n R4e S9 Boise Meridian, Idaho City, ID 83631. The Environmental Protection Agency (EPA) identifies sites such as Gold Hill And Iowa Mines 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. Gold Hill And Iowa Mines 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.