Creek SD

Flat Creek

South Dakota • 45.1353, -103.1983

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

21 mi

34 km

Elevation

4,241′ → 3,321′

920 ft drop

Stream Order

Large River

Slope

0.83%

44.0 ft/mi

Drainage

9 mi²

24 km²

Avg Flow

-- cfs

1.4 mph velocity

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