River IL

Crooked Branch

Illinois • 36.7892, -83.5358

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

3 mi

5 km

Elevation

810′ → 670′

140 ft drop

Stream Order

Stream

Slope

0.79%

41.8 ft/mi

Drainage

2 mi²

6 km²

Avg Flow

-- cfs

0.7 mph velocity

Path to Mouth

825 mi

1,328 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