Clyde Thomas of the Shelby County Health Department sprays for mosquitoes in a flooded neighborhood on Monday, May 9, 2011, in Memphis, Tenn. The flooded Mississippi River could crest as early as Monday night. (AP Photo/Mark Humphrey)

A building is seen surrounded by floodwater Monday, May 9, 2011, in Memphis, Tenn. Memphis residents are waiting for the Mississippi River to reach its peak expected as early as Monday night as the river rises near its highest level ever in Memphis, flooding pockets of low-lying neighborhoods. (AP Photo/Jeff Roberson)

James Wright takes a look at floodwater Monday, May 9, 2011, in Memphis, Tenn. Memphis residents are waiting for the Mississippi River to reach its peak expected as early as Monday night as the river rises near its highest level ever in Memphis, flooding pockets of low-lying neighborhoods. (AP Photo/Jeff Roberson)

Tony Neal sits on a friend’s porch surrounded by floodwater Sunday, May 8, 2011, in Memphis, Tenn. More Memphis residents were being told Sunday to flee their homes for higher ground as the mighty Mississippi River edged toward the city, threatening to bring more flooding to parts of an area already soaked. (AP Photo/Jeff Roberson)

Ralph Mosley pulls his child’s bike out of the water in the front yard of his home Saturday May 7, 2011 in Tiptonville, Tenn. Mosley was out of his home for week a floodwaters from the Mississippi rose. (AP Photo/Daniel R. Patmore)

Gary Dugger walks in his flooded backyard Sunday, May 8, 2011, in Memphis, Tenn. Dugger was hoping to wait out the flood in his home but rising water has forced him to flee for higher ground as the mighty Mississippi River edged toward the city, threatening to bring more flooding to parts of an area already soaked. (AP Photo/Jeff Roberson)

Flood waters claim an abandoned bus in Satartia, Miss., Monday, May 9, 2011. Residents and farmers along the Mississippi River and its tributaries race to secure their homes and businesses as much as possible from what is expected to be historic flooding. (AP Photo/Rogelio V. Solis)

M. C. Rhodes photographs a flooded street on Monday, May 9, 2011, in Memphis, Tenn. The flooded Mississippi River could crest as early as Monday night. (AP Photo/Mark Humphrey)

A flooded residential area is seen in this aerial photograph Tuesday, May 10, 2011, in Memphis, Tenn. The Mississippi River crested in Memphis at nearly 48 feet on Tuesday, falling short of its all-time record but still soaking low-lying areas with enough water to require a massive cleanup. (AP Photo/Jeff Roberson)

Caution tape floats in floodwater surrounding Mary Dugger’s home Sunday, May 8, 2011, in Memphis, Tenn. Like other Memphis residents, Dugger has fled her home in search of higher ground as the Mississippi River edged toward the city. (AP Photo/Jeff Roberson)

Tracy Coleman looks at floodwater covering Riverside Drive near Beale Street May 10, 2011 in Memphis, Tennessee. The Mississippi River reached its crest at Memphis last night about four inches less than anticipated and nearly a foot shy of the record crest of 1937. Heavy rains have left the ground saturated, rivers swollen, and have caused widespread flooding in Missouri, Illinois, Kentucky, Tennessee, and Arkansas. (Photo by Scott Olson/Getty Images)

Jermaine Jarrett paddles a boat through a flooded yard in his neighborhood May 9, 2011 in Memphis, Tennessee. The Mississippi River is expected to crest at Memphis tonight at 48 feet, which is about 6 inches shy of the record set during the flood of 1937. Officials estimate about 1,300 homes in the city are at risk of suffering dangerous flooding. Heavy rains have left the ground saturated, rivers swollen, and have caused widespread flooding in Missouri, Illinois, Kentucky, Tennessee, and Arkansas. (Photo by Scott Olson/Getty Images)

Jesse Willis looks over his flooded yard and home May 9, 2011 in Memphis, Tennessee. Willis purchased the property about 4 years ago and did extensive rehab work inside the home. The Mississippi River is expected to crest at Memphis tonight at 48 feet, which is about 6 inches shy of the record set during the flood of 1937. Officials estimate about 1,300 homes in the city are at risk of suffering dangerous flooding. Heavy rains have left the ground saturated, rivers swollen, and have caused widespread flooding in Missouri, Illinois, Kentucky, Tennessee, and Arkansas. (Photo by Scott Olson/Getty Images)

A truck sits submerged in floodwater May 9, 2011 in Memphis, Tennessee. The Mississippi River is expected to crest at Memphis tonight at 48 feet, which is about 6 inches shy of the record set during the flood of 1937. Officials estimate about 1,300 homes in the city are at risk of suffering dangerous flooding. Heavy rains have left the ground saturated, rivers swollen, and have caused widespread flooding in Missouri, Illinois, Kentucky, Tennessee, and Arkansas. (Photo by Scott Olson/Getty Images)

A home sits surrounded by floodwater May 9, 2011 in Memphis, Tennessee. The Mississippi River is expected to crest at Memphis tonight at 48 feet, which is about 6 inches shy of the record set during the flood of 1937. Officials estimate about 1,300 homes in the city are at risk of suffering dangerous flooding. Heavy rains have left the ground saturated, rivers swollen, and have caused widespread flooding in Missouri, Illinois, Kentucky, Tennessee, and Arkansas. (Photo by Scott Olson/Getty Images)