River MS

Roundaway Bayou

Mississippi • 32.3141, -91.1427

Reviewed mapped path Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

12 mi

20 km

Elevation

75′ → 63′

11 ft drop

Stream Order

Medium River

Slope

0.02%

0.9 ft/mi

Drainage

223 mi²

578 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

337 mi

542 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