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The Edisto River Basin originates in the
Sandhills region and flows through the Upper and Lower Coastal Plain Regions and
into the Coastal Zone region. The Edisto River Basin encompasses 30 watersheds
and some 2 million acres of which 1.8% is urban land, 22.7% is agricultural
land, 10.9% is scrub/shrub land, 0.5% is barren land, 49.0% is forested land,
11.1% is forested wetland, 2.0% is nonforested wetland, and 2.0% is water. The
urban land percentage is comprised chiefly of the City of Orangeburg and a
portion of the City of Aiken. There are a total of 2,775.1 stream miles in the
Edisto River Basin, and 31.7 square miles of estuarine
areas.
(Source: 1989-90 SPOT
Imagery)
The confluence of Chinquapin Creek and Lightwood Knot
Creek form the North Fork Edisto River, which is joined downstream by Black
Creek, Bull Swamp Creek, and Caw Caw Swamp. The South Fork Edisto River accepts
drainage from Shaw Creek, Dean Swamp Creek, Goodland Creek, and Roberts Swamp
before merging with the North Fork Edisto River to form the Edisto River.
Downstream from the confluence, the Edisto River is joined by Cattle Creek,
Indian Field Swamp, and Four Hole Swamp. Prior to joining the Edisto River, Four
Hole Swamp accepts drainage from Cow Castle Creek, Providence Swamp, Horse Range
Swamp, and Dean Swamp. Downstream from Four Hole Swamp, the Dawho River enters
the Edisto River, and their confluence forms the South Edisto River and the
North Edisto River, which drain to the Atlantic Ocean.
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