River IA

Middle Fork Grand River

Iowa • 40.5503, -94.3487

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

45 mi

73 km

Elevation

1,189′ → 821′

368 ft drop

Stream Order

Medium River

Slope

0.15%

8.2 ft/mi

Drainage

182 mi²

472 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,346 mi

2,166 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