River IA

Garretson Ditch

Iowa • 42.2626, -96.1204

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

4 mi

6 km

Elevation

1,064′ → 1,055′

9 ft drop

Stream Order

Medium River

Slope

0.04%

2.3 ft/mi

Drainage

191 mi²

495 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

2,809 mi

4,520 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