Creek IL

Spring Valley Creek

Illinois • 37.2657, -91.4335

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

46 mi

75 km

Elevation

1,283′ → 362′

921 ft drop

Stream Order

Medium River

Slope

0.38%

19.8 ft/mi

Drainage

142 mi²

367 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

361 mi

581 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