River MI IA IL WI

Pecatonica River

Michigan • 42.5895, -89.9426

Hydrography profile Updated Dec 27, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

194 mi

312 km

Elevation

1,184′ → 713′

471 ft drop

Stream Order

Large River

Slope

0.05%

2.4 ft/mi

Drainage

5,708 mi²

14,784 km²

Avg Flow

1,957 cfs

1.4 mph velocity

Path to Mouth

1,817 mi

2,924 km to ocean

Classification

Headwater

Source Stream

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