River IL

Randolph Drainage Ditch

Illinois • 38.2161, -88.1569

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

7 mi

12 km

Elevation

0′ → 0′

0 ft drop

Stream Order

Stream

Slope

0.00%

0.0 ft/mi

Drainage

1,881 mi²

4,872 km²

Avg Flow

-- cfs

0.7 mph velocity

Path to Mouth

440 mi

707 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