The Black River Basin (hydrologic unit 03040205) is located in Kershaw, Lee, Sumter, Clarendon, Florence, Williamsburg, and Georgetown Counties, and encompasses 2,060 square miles with geographic regions extending from the Sandhills to the Upper and Lower Coastal Plains and into the Coastal Zone.  The Black River Basin encompasses 18 watersheds, some 1.3 million acres of which 26.3% is forested land, 35.0% is agricultural land, 4.6% is scrub/shrub land, 27.1% is forested wetland, 6.1% is urban land, 0.4% is nonforested wetland, 0.1% is barren land, and 0.4% is water.  The urban land percentage is comprised chiefly of the City of Sumter.