A mid-day situation report from the U.S. Army Corps of Engineers Mississippi Valley Division indicates all "major" structures flood control structures in the Greater New Orleans Hurricane and Storm Damage Risk Reduction System are closed, including the West Closure Complex.
Major elements of the new storm defenses encircling New Orleans saw action for the first time in storm conditions on Aug. 29 as the battle to shield the city from Hurricane Isaac's floods and storm surge ground on through the day and into the night.
The U.S. Army Corps of Engineers has declared 17 levee systems in the California Central Valley—about 180 miles' worth— ineligible for federal rehabilitation assistance should they be damaged in a flood.
For years, scientists have warned of the potentially dire consequences of earthquake-induced levee failures in the Sacramento-San Joaquin River Delta in northern California, but now a team of engineers from Southern California is testing the unusual soils used to build and support the levees to model performance during a quake.
The two large dams under construction on the Madeira River, Jirau and San Antonio, which together will provide nearly 7,000 MW of electricity, continue Brazil's reliance on hydropower.
The Obama administration and California state officials have unveiled a new “preferred alternative” for conveying water from northern California to the central part of the state while protecting the fragile California Bay Delta ecosystem.
CH2M HILL made a twist on the usual placement of a dissolved air flotation (DAF) system, placing it at the beginning of the process train rather than in the solids-treatment train, where it is usually located in wastewater treatment facilities.
RSS
