River IL

Sinking Branch

Illinois • 37.2151, -91.4219

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

3 mi

4 km

Elevation

955′ → 757′

199 ft drop

Stream Order

Stream

Slope

1.48%

77.9 ft/mi

Drainage

2 mi²

6 km²

Avg Flow

-- cfs

0.6 mph velocity

Path to Mouth

320 mi

515 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