Geographic ServicesMajor River Basins
The major river basin lines in NC are drawn based on the nationally recognized hydrologic unit codes (6-digits).  Some basins have been split apart due to previously written general statues.  This feature service was uploaded in December 2014.  This featu...
Map FilesNorth Carolina River Basin Map (PDF format)
Wall map of North Carolina, designed by Save Our Rivers, Inc. in collaboration with CGIA, showing 17 river basins, major roads, streams, water bodies, and county/municipal boundaries. The map is in PDF format and is designed for 49" x 23" printing. The ma...
Live Map ServicesNC OneMap Environment - Map Service
Landslides: The North Carolina slope movement-slope movement deposit database (NCSM-SMD database) covers all of North Carolina. The NCSM-SMD databases includes slopemovement and deposit type, location, dimensions, dates, geologic (rock and soil), geomorph...
Downloadable Data2012 Overall Integrated Reporting Water Quality Ratings
This data set contains overall water quality ratings for 13,176 waterbodies in North Carolina. The overall integrated reporting categories indicate if a water is Supporting or if one or more uses are Impaired. The data assessed were from over 5,000 moni...
Downloadable DataMajor Hydrography
The NC Center for Geographic Information and Analysis, developed this digital Major Hydrography data to enhance planning, siting and impact analysis in areas directly affecting surface waters consisting of streams and rivers, lakes, reservoirs, and shorel...