River LA

Saint James Canal

Louisiana • 29.9830, -90.8801

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

12 mi

19 km

Elevation

4′ → 0′

4 ft drop

Stream Order

Medium River

Slope

0.01%

0.3 ft/mi

Drainage

170 mi²

440 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

94 mi

151 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