Creek SD

Sulphur Creek

South Dakota • 44.8647, -102.8337

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

126 mi

203 km

Elevation

3,085′ → 2,321′

764 ft drop

Stream Order

Large River

Slope

0.11%

6.1 ft/mi

Drainage

643 mi²

1,667 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

Access Sites on Sulphur Creek

There are 2 boat ramps, launches, and public access points on Sulphur Creek.