South Carolina Department of Health and Environmental Control

The Savannah River Basin incorporates 35 watersheds and some 2.9 million acres within the State of South Carolina (portions of the basin reside in North Carolina and Georgia). Within the Department's Savannah River Basin are the TugalooRiver/Seneca River Basin, the Upper Savannah River Basin, and the Lower Savannah River Basin. The Savannah River Basin extends across the Blue Ridge, Piedmont, Sandhills, Upper Coastal Plain, Lower Coastal Plain, and Coastal Zone regions. There are approximately 4,857 stream miles, 106,516 acres of lake waters, and 3,356 acres of estuarine areas in the basin.

WWQA document describes a wealth of information about the basins, including: water chemistry information, biological monitoring information, physical characteristics, natural resources, growth potential, potential nonpoint source contributions, and point source discharges. This information is presented through text and maps in these documents.  Download the Complete Basin Publication here.