River IL

Big Four Ditch

Illinois • 40.5121, -88.2301

Length

24 mi

38 km

Elevation

793′ → 717′

76 ft drop

Stream Order

5

Medium River

Slope

0.06%

3.2 ft/mi

Drainage

161 mi²

417 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

728 mi

1,171 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway

Data from USGS & NOAA for informational purposes only. More