The purpose of this Request for Proposal (RFP) and any resulting contract award is to solicit proposals for a Ground Water Decision Support System (hereinafter GWDSS). The State’s groundwater supplies the drinking water needs of approximately fifty (50) percent of its population, and in numerous rural areas of the State, is the only practical source of water for domestic use. The Department of Environment and Natural Resources (hereinafter DENR) is responsible for protecting groundwater quality and quantity for current and future needs/use.