BAGHDAD — Raw sewage is no longer inundating a neighborhood in east Baghdad. Residents in Oubadi, located near Sadr City, are benefiting from a recently completed $14.9 million Gulf Region South district project that connected their homes for the first time ever to a new functioning sewer collection system. “People there are very pleased with the improvement,” said Iraqi engineer Mustafa Haddad who works for the GRS, U.S. Army Corps of Engineers. “For over two years we’ve been working on this project and the community has been very supportive throughout. They were using slit trenches and lakes of raw sewage,...