Creek IA

South Onion Creek

Iowa • 42.0597, -93.7839

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

6 mi

10 km

Elevation

1,135′ → 1,005′

130 ft drop

Stream Order

Stream

Slope

0.39%

20.8 ft/mi

Drainage

8 mi²

20 km²

Avg Flow

-- cfs

0.6 mph velocity

Path to Mouth

1,178 mi

1,896 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