What is Lake Pontchartrain?
{{Infobox_lake |lake_name = Lake Pontchartrain |image_lake = Landsat new orleans nfl lrg.jpg |caption_lake = [[Landsat]] image |image_bathymetry = Lake_Pontchartrain.png |caption_bathymetry = Map |location = |coords = {{coord|30.206055|N|90.102132|W|type:waterbody_region:US|display=inline,title}} |type = [[saltwater|salt-water]] lake |inflow = |outflow = |catchment = |basin_countries = United States |length = |width = |area = 630 sq mi ([[1 E9 m²|1630 km²]]) |depth = |max-depth = |volume = |residence_time = |shore = |elevation = |islands = |cities = [[New Orleans]], [[Metairie, LA|Metairie]], [[Kenner, LA|Kenner]], [[Mandeville, LA|Mandeville]], [[Slidell, LA|Slidell]], [[Madisonville, LA|Madisonville]], etc. }} '''Lake Pontchartrain''' ({{pronEng|ˈpɒntʃətreɪn}} in English; ''Lac Pontchartrain,'' [[help:IPA|IPA]] [lak pɔ̃ʃaʀtʀɛ̃] in [[French language|French]]) is a [[brackish water|brackish]] [[lake]] in southeastern [[Louisiana]]. It is the second largest [[saltwater|salt-water]] lake in the [[United States]], after the [[Great Salt Lake]] in [[Utah]], and the largest lake in Louisiana. It has an area of 630 square miles (1630 square km) with an average depth of 12 to 14 feet (about 4 meters). Some shipping channels are kept deeper through [[dredging]]. It is roughly [[oval]] in shape, about 40 miles (64&nbsp;km) wide and 24 miles (39&nbsp;km) from [[south]] to [[north]]. ==Other websites== {{Commonscat}} * [http://www.saveourlake.org Lake Pontchartrain Basin Foundation] * [http://marine.usgs.gov/fact-sheets/Pontchartrain/ United States Geological Survey Lake Pontchartrain Fact Sheet] * [http://waterdata.usgs.gov/nwis/uv/?site_no=073802331 Real-time water data for Lake Pontchartrain] * [http://www.saveourlake.org/ The Lake Pontchartrain Basin Foundation] * [http://www.pontchartrain.net New Orleans history of the lake] * [http://www.lpbmaritimemuseum.org Lake Pontchartrain Basin Maritime Museum]{{Dead link|date=January 2021 |bot=InternetArchiveBot |fix-attempted=yes }} * [ht