River WI

Ninemile Slough

Wisconsin • 44.6845, -91.9297

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

6 mi

10 km

Elevation

718′ → 706′

12 ft drop

Stream Order

Major River

Slope

0.04%

2.0 ft/mi

Drainage

7,768 mi²

20,118 km²

Avg Flow

-- cfs

2.8 mph velocity

Path to Mouth

1,749 mi

2,814 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