River MN IA WI

Upper Iowa River

Minnesota • 43.4507, -91.7421

Length

156 mi

251 km

Elevation

1,423′ → 627′

797 ft drop

Stream Order

7

Large River

Slope

0.10%

5.1 ft/mi

Drainage

78,854 mi²

204,232 km²

Avg Flow

790 cfs

1.6 mph velocity

Path to Mouth

1,817 mi

2,924 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway

Data from USGS & NOAA for informational purposes only. More