River LA

Watson Bayou

Louisiana • 30.2022, -93.6913

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

17 mi

28 km

Elevation

251′ → 135′

116 ft drop

Stream Order

Medium River

Slope

0.13%

6.7 ft/mi

Drainage

26 mi²

68 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

190 mi

306 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