Humphrey Public Water Supply is a superfund site located at Sec 24 T20n R2w, Humphrey, NE 68642. The Environmental Protection Agency (EPA) identifies sites such as Humphrey Public Water Supply 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. Humphrey Public Water Supply 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.