Flood Control - 100-Year Flood, Floodplain, New Orleans Outfall Canals, Storm Drain, Flood Control Act of 1928 (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 31. Chapters: 100-year flood, Floodplain, New Orleans Outfall Canals, Storm drain, Flood Control Act of 1928, Sherburne Complex Wildlife Management Area, Bunding, Flood warning, Flood opening, Flash flood warning, Sandbag, Flood risk assessment, Flood insurance, Flood Insurance Rate Map, Flood mitigation, Floodplain restoration, Floods directive, Flood bypass, Flood Insurance Reform Act of 2004, Wilson Lake, Flood control channel, Flood alert. Excerpt: There are three outfall canals in New Orleans, Louisiana - the 17th Street, Orleans Avenue and London Avenue canals. These canals are a critical element of New Orleans' flood control system, serving as drainage conduits for much of the city. There are 13 miles of levees and floodwalls that line the sides of the canals. The 17th Street Canal extends 13,500 feet north from Pump Station 6 to Lake Pontchartrain along the boundary of Orleans and Jefferson parishes. The Orleans Avenue Canal, between the 17th Street and London Avenue canals, runs approximately 11,000 feet from Pump Station 7 to Lake Pontchartrain. The London Avenue Canal extends 15,000 feet north from Pump Station 3 to Lake Pontchartrain about halfway between the Orleans Avenue Canal and the Inner Harbor Navigation Canal (also known locally as the Industrial Canal). A helicopter drops sandbags into the floodwall breach at the 17th Street Canal following Hurricane Katrina.Before August 29, 2005, the three outfall canal levees languished in relative obscurity. The larger and longer Mississippi River system, which faces annual flood stages of ten to twenty feet lasting weeks, garnered significantly more engineering and maintenance attention. When Hurricane Katrina made landfall on August 29 along the Louisiana and Mississippi coasts, storm surge from the Gulf of Mexico flowed into Lake Pontchartrain. The levees and floodwall...