River IA

Williams Branch

Iowa • 40.4492, -92.8904

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

7 mi

12 km

Elevation

996′ → 727′

269 ft drop

Stream Order

Stream

Slope

0.68%

36.2 ft/mi

Drainage

5 mi²

12 km²

Avg Flow

-- cfs

0.6 mph velocity

Path to Mouth

1,236 mi

1,989 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Data from USGS & NOAA for informational purposes only. More