Creek IL

Thenius Creek

Illinois • 41.0532, -89.4535

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

9 mi

15 km

Elevation

730′ → 444′

286 ft drop

Stream Order

Medium River

Slope

0.60%

31.6 ft/mi

Drainage

97 mi²

252 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

1,399 mi

2,251 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