River IL

West Fork Cuivre River

Illinois • 39.0646, -91.2293
Hydrography profile Updated Dec 30, 2025
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USGS and NOAA data is for informational purposes. Source notes
Length
82 mi
132 km
Elevation
841′ → 463′
378 ft drop
Stream Order
6
Large River
Slope
0.09%
4.6 ft/mi
Drainage
584 mi²
1,512 km²
Avg Flow
-- cfs
1.4 mph velocity
Path to Mouth
563 mi
907 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