River SC

Douglas Swamp

South Carolina • 33.9342, -79.9757

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

21 mi

34 km

Elevation

147′ → 67′

80 ft drop

Stream Order

Medium River

Slope

0.07%

3.8 ft/mi

Drainage

50 mi²

128 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

137 mi

221 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar