NHDPLUS

NHDPlus is a geo-spatial, hydrologic framework dataset built by the US EPA Office of Water, assisted by the US Geological Survey. Since its first release in 2006, NHDPlus has been made available to the wider water resources community and has been used for many diverse applications by Federal, state, and local governments, as well as non-profit oganizations, private companies and educational institutions. The NHDPlus user community has developed tools and ancilliary data to support their NHDPlus applications. Some of these applications are listed here... NHDPlus is an integrated suite of application-ready geospatial data sets that incorporate many of the best features of the National Hydrography Dataset (NHD), the National Elevation Dataset (NED), and the Watershed Boundary Dataset (WBD). NHDPlus Version 1 (NHDPlusV1) was released in 2006. NHDPlus Version 2 (NHDPlusV2) began its public debut in June 2012. Both NHDPlusV1 and V2 incorporate the NHD 1:100,000-scale stream network and the..