River IA

South English River

Iowa • 41.4848, -92.1848

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

48 mi

78 km

Elevation

935′ → 682′

253 ft drop

Stream Order

Medium River

Slope

0.10%

5.2 ft/mi

Drainage

123 mi²

319 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

1,117 mi

1,798 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