Preliminary damage estimates total more than $2 billion.
A spokesman for the governor, Peter McDonough, said officials would have a preliminary damage estimate today.
The American Red Cross said preliminary damage assessments show at least 48,000 residences have been affected by the flooding.
Preliminary damage estimates from the earthquake on Sunday reached $46 million, and President Bush declared it a major disaster, opening the way for federal aid.
Richard A. Wells, the tribal administrator, said that while there were no injuries, preliminary damage estimates run into the millions of dollars.
Emergency management officials have toured the state by helicopter and expect to issue a preliminary damage assessment in the coming days, said Lisa Janak, a spokeswoman for the Georgia Emergency Management Agency.
After the earthquake, the Haitian government produced a preliminary damage and needs assessment that envisioned a decentralisation of the Haitian state.
Yesterday, Governor Rell ordered James Thomas, commissioner of emergency management and homeland security, to start a preliminary damage assessment that must be completed before the Federal Emergency Management Agency can issue a disaster declaration.
Representative Robert B. Aderholt, Republican of Alabama, said last week that Congress needed to "scrutinize FEMA's preliminary damage estimates" and could "no longer afford to simply throw money at calamities and then ask the hard questions later".
By using this method, an accurate results of preliminary damage prediction up to 75% level of correctness can be provided with relatively limited time and cost.
