River IL

Telleck Branch

Illinois • 37.7211, -90.9295

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

3 mi

4 km

Elevation

1,251′ → 1,084′

167 ft drop

Stream Order

Stream

Slope

1.14%

60.3 ft/mi

Drainage

4 mi²

10 km²

Avg Flow

-- cfs

0.7 mph velocity

Path to Mouth

345 mi

555 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Loading the interactive map…

Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar