River IL SC

Flat Lick Branch

Illinois • 37.3720, -88.6063

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

6 mi

10 km

Elevation

614′ → 329′

285 ft drop

Stream Order

Medium River

Slope

0.86%

45.6 ft/mi

Drainage

13 mi²

34 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

210 mi

338 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