River IA

South Fork Little Nemaha River

Iowa • 40.5462, -96.2991

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

41 mi

67 km

Elevation

1,378′ → 965′

413 ft drop

Stream Order

Medium River

Slope

0.19%

10.0 ft/mi

Drainage

126 mi²

325 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,738 mi

2,797 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