Creek IL

Terre Bleue Creek

Illinois • 37.9234, -90.4535

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

21 mi

34 km

Elevation

976′ → 651′

325 ft drop

Stream Order

Medium River

Slope

0.29%

15.5 ft/mi

Drainage

61 mi²

158 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

316 mi

509 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