River MS

Clark Bayou

Mississippi • 33.4610, -90.9500

Reviewed mapped path Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

9 mi

14 km

Elevation

156′ → 118′

39 ft drop

Stream Order

Medium River

Slope

0.08%

4.4 ft/mi

Drainage

82 mi²

213 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

190 mi

305 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Detailed hydrology

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Data from USGS & NOAA for informational purposes only. Read source and safety notes