River LA

Bayou Santabarb

Louisiana • 31.5454, -93.2172

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

16 mi

25 km

Elevation

141′ → 101′

41 ft drop

Stream Order

Medium River

Slope

0.05%

2.6 ft/mi

Drainage

105 mi²

273 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

88 mi

142 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