River IL

South Edwards River

Illinois • 41.2068, -90.1287

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

19 mi

31 km

Elevation

822′ → 672′

151 ft drop

Stream Order

Medium River

Slope

0.15%

7.9 ft/mi

Drainage

75 mi²

194 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,050 mi

1,690 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