River LA

Bayou Na Bonchasse

Louisiana • 32.1148, -93.6812

Length

21 mi

33 km

Elevation

311′ → 134′

177 ft drop

Stream Order

5

Medium River

Slope

0.16%

8.6 ft/mi

Drainage

49 mi²

127 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

147 mi

236 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

EPA WQP MyWaterway

Data from USGS & NOAA for informational purposes only. More