Stream IL

Rock Run

Illinois • 41.5227, -88.1646

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

10 mi

16 km

Elevation

0′ → 0′

0 ft drop

Stream Order

Stream

Slope

0.00%

0.0 ft/mi

Drainage

14 mi²

35 km²

Avg Flow

-- cfs

0.6 mph velocity

Path to Mouth

765 mi

1,231 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