River MI

South Branch Pentwater River

Michigan • 43.7117, -86.2530

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

14 mi

22 km

Elevation

794′ → 623′

171 ft drop

Stream Order

Medium River

Slope

0.23%

12.3 ft/mi

Drainage

63 mi²

163 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

403 mi

648 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