River WI

East Fork Wapsipinicon River

Wisconsin • 42.9954, -92.2703

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

48 mi

77 km

Elevation

1,287′ → 990′

297 ft drop

Stream Order

Medium River

Slope

0.12%

6.2 ft/mi

Drainage

139 mi²

359 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

1,307 mi

2,104 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