Creek IL AL

Collier Creek

Illinois • 38.1553, -89.1943

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

514′ → 419′

95 ft drop

Stream Order

Medium River

Slope

0.24%

12.9 ft/mi

Drainage

15 mi²

38 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

496 mi

799 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

Access Sites on Collier Creek

There are 2 linked public-access records for Collier Creek.