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Lake Borgne

Source: (13 June 2005)
From: USEPA, 1999

Lake Borgne is located north of the city of New Orleans. Lake Borgne and its adjacent lakes in Louisiana (Lake Maurepas, Lake Pontchartrain ) form one of the largest estuaries in the Gulf Coast region. The estuary drains the Pontchartrain Basin, an area of over 12,000 sq. km situated on the eastern side of the Mississippi River delta plain (USEPA, 1999). Lake Maurepas and Lake Pontchartrain are bounded by landmasses and coastal marshlands. However, Lake Borgne is open to the east and connects directly with Mississippi Sound.

Lake Borgne

Coordinates:   30.15° N  89.60° W

Selected Characteristics: (USEPA, 1999)
Surface Area:   730 km2
Drainage Area:   38,300 km2
Average Daily FW Inflow:   303 m3/s
Average Depth:   3.0 m
Average Salinity:   7 ppt

USEPA. 1999. Ecological condition of estuaries in the Gulf of Mexico. EPA 620-R-98-004. U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Gulf Ecology Division, Gulf Breeze, Florida. 80 pp.

Additional Information:
LACoast - Lake Ponchartrain Basi
USGS Coastal & Marine Geology Program - Lake Ponchartrain Basin
USGS Coastal & Marine Geology Program - Lake Ponchartrain Basin
Lake Ponchartrain Basin Foundation
University of New Orleans Coastal Research Laboratory
U.S. Fish & Wildlife Service - Big Branch Marsh National Wildlife Refuge
Louisiana Department of Wildlife & Fisheries - Biloxi Wildlife Management Area

Keywords:   Bays, Estuaries, Lake, Pontchartrain, Borgne

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