Creek SD

South Fork Ash Creek

South Dakota • 44.2766, -101.9294

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

8 mi

12 km

Elevation

2,743′ → 2,512′

231 ft drop

Stream Order

Stream

Slope

0.58%

30.5 ft/mi

Drainage

5 mi²

14 km²

Avg Flow

-- cfs

0.7 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