River IL

West Fork Spoon River

Illinois • 41.2043, -89.8182

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

22 mi

36 km

Elevation

824′ → 659′

165 ft drop

Stream Order

Medium River

Slope

0.14%

7.3 ft/mi

Drainage

60 mi²

156 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,487 mi

2,393 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Loading the interactive map…

Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar