<P>The Military Engineer ? No. 66667 Securing Santa Maria By Col. Thomas Magness IV, P.E., LEED AP, M.SAME, USA, Erik B. Johnson, M.SAME, and Steven Mano, M.SAME A nationwide assessment of ?ood control structures following Hurricane Katrina resulted in the funding of a critical USACE levee project in central California. Water Planning & Management I n June 1963, the U.S. Army Corps of Engineers (USACE) completed a four-year project to construct ap- proximately 17-mi of levee along the Santa Maria River. The river serves as the northern border for the California city that shares its name, about two hours up the coast from Los Angeles in Santa Barbara County. At the time, Santa Maria was a small town surrounded by bountiful agri- cultural lands. As time passed, the city and the levee evolved. By the dawn of the new century, the population of Santa Maria edged to- ward 100,000. Housing and other devel- opments bumped up to the rivers edge. The levee also changed—primarily as a result of challenges to its integrity from periodic ?ood events. These transfor- mations were natural and of little cause for concern. Then came Hurricane Katrina. A New Era, A New Challenge In the aftermath of Katrina, USACE initiated a comprehensive assessment of ?ood-control structures across the Unit- ed States to identify those that posed the greatest risk to life and property. At the same time, the Federal Emergency Man- agement Agency (FEMA) stepped up ef- forts to revise ?ood maps, an effort that encompassed many areas in California, including Santa Barbara County. As part of its ?ood map revision work, FEMA asked the USACE Los Angeles District to determine whether the Santa Maria levee could be accredited for con- tinued participation in the National Flood Insurance Program. That request launched a new examination of the levee that included analysis of historical reports and updated geotechnical and hydraulic investigations. The result was a determina- tion by the Los Angeles District that the le- The Suey Crossing Bridge is located near the midpoint of the more than 6-mi of levee included in the Santa Maria Levee Improvement Project in Santa Maria, Calif. Photos courtesy HDR</p> <UL><LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/1/1/">Front-Cover</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/2/2/">Inside-Front-Cover</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/3/3/">Page-1</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/4/4/">Page-2</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/5/5/">Page-3</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/6/6/">Page-4</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/7/7/">Page-5</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/8/8/">Page-6</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/9/9/">Page-7</a></LI> <LI><a href="http://www.stallionpublishers.com/publication/609/tofzxaosm/10/10/">Page-8</a></LI> 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