The Tippecanoe River near Ora was at 13.27 feet at 6:30 p.m. Thursday, which is slightly above the river's 13-foot moderate flood stage. The river got close to the city's record crest of 22.63 feet which occurred on July 9, 1993.
"Our teams are on the ground and we will know more soon", HESCO Group said.
Unlike cities such as Muscatine downstream, Davenport doesn't have a permanent floodwall, opting instead for an open, picturesque riverfront.
Davenport Mayor Frank Klipsch said there were no reported injuries. The Grundy County Emergency Management Agency said the river is forecast to rise to near 24 feet.
A meteorologist says there's not much risk of rainfall heavy enough to further raise the Mississippi River flood threat in eastern Iowa.
The casino is located west of the Missouri River, in the heart of Omaha.
In other areas throughout the Midwest and the South, flooding has made roads impassable and forced the closure of two Mississippi River bridges in Quincy, Illinois, and Louisiana, Missouri.
"We're going to have a full-fledged flood fight", Hark said.
The Air Force is raising its cost estimate to $420 million to fix and replace structures damaged at Nebraska's Offutt Air Force Base following severe flooding that inundated buildings with water.
This height would put the river more than three and a half feet over major flood stage and the fifth highest crest on record.
Flood watches have been issued for larger tracts around in the river in Iowa, Illinois and Missouri, as well as sections of Kansas, Oklahoma and Arkansas, as heavy rain that began in some places Monday was set to continue into Wednesday. But the high water could bring a mandatory halt to river traffic, including barges.