Discrete water-quality and phytoplankton (algae) samples were collected in Lake Pontchartrain from 8 April to 3 October 2008 to assess the water-quality nutrient enrichment effects of the diversion on the lake. It covers an area of 630 square miles (1,600 km 2) with an average depth of 12 to 14 feet (3.7 to 4.3 m).Some shipping channels are kept deeper through dredging. At over 40 miles wide, Lake Pontchartrain is the second largest inland saltwater body in the United States. Lake Pontchartrain (/ Ë p É n tÊ É t r eɪ n / PAHN-chÉ-trayn; French: Lac Pontchartrain, French: [lak pÉÌÊaÊtÊÉÌ] (); Spanish: Lago Pontchartrain) is a brackish estuary located in southeastern Louisiana in the United States. At present it serves to dilute the tidal flow of salt water into Lake Pontchartrain through the Rigolets, the principal outlet of the lake. LACOMBE, La. Radar and surface observations indicate patchy drizzle occurring south of Lake Pontchartrain, with some icing reported on elevated roadways. Dr. Brady Skaggs is the water quality programming director for the Lake Pontchartrain Basin Foundation. He said, âIt's a strange new normal to use the term. Have issued Winter Weather Advisory for this area until noon, but anticipate temperatures will warm well above freezing before that. Tonight...South winds 5 to 10 knots.Waves 1 foot or less dominant period 2 seconds. June 2020: Sun: Mon: Tue: Wed: Thu: Fri: Sat: 1: 153: 2: 154 Chance of showers and thunderstorms. The recent proliferation of The Pearl River above Bogalusa also is a good source of fresh water of excellent quality. â Lake Pontchartrain is getting the biggest flush of fresh water it has had in decades, and for some thatâs a bad thing. Rest Of Today...Southeast winds 10 to 15 knots.Waves 2 to 3 feet dominant period 2 seconds. All the tributaries north of Lake Pontchartrain have dry-weather flows which are dependable. These are agricultural operations (e.g., animal herding and dairy farming) on North shore tributaries and untreated human waste, principally on the South shore. Continuing to monitor for additional expansion. The preceding indicates that there are primarily two activities, though, that have had significant deleterious effects that compromise the quality and usability of Lake Pontchartrain. Though classified as a lake, Lake Pontchartrain is technically ⦠NEW ORLEANS â Water from the swollen Mississippi River is rushing through the Bonnet Carre Spillway toward Lake Pontchartrain at a rate of about 1.5 million gallons per second. The poor quality of the water in Lake Pontchartain has prompted authorities on the North Shore to close beaches and the popular fishing pier near Slidell. It covers 630 square miles, serves six Louisiana parishes and 1.5 million people. The Lake Pontchartrain Basin Foundation began EPA approved intensive water quality monitoring in August 2000, in an effort to educate the public about water quality and to lend evidence for the retraction of swimming advisories along the shore of Lake Pontchartrain.
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