River IL

Old Channel Embarras River

Illinois • 38.7740, -87.7264

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

10 mi

17 km

Elevation

426′ → 408′

17 ft drop

Stream Order

Medium River

Slope

0.03%

1.6 ft/mi

Drainage

73 mi²

190 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

506 mi

814 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