CIVIL DEFENSE AND EMERGENCY MANAGEMENT REGIONS: United States. 1941 to date. From the establishment of the Office of Civilian Defense in 1941, a regional structure has been used to administer federal government civil defense and emergency management activities. The following tables summarize the regional organizations' areas of responsibility at various points in time.
Table 91-1. Civil Defense Regions 1958-1966
| Region | Headquarters | States |
| 1 | Harvard, Massachusetts |
Maine New Hampshire Vermont Massachusetts Rhode Island Connecticut New York New Jersey Puerto Rico Virgin Islands |
| 2 | Olney, Maryland |
Pennsylvania Ohio Delaware Maryland District of Columbia Virginia West Virginia Kentucky |
| 3 | Thomasville, Georgia |
North Carolina Tennessee South Carolina Georgia Florida Alabama Mississippi Canal Zone |
| 4 | Battle Creek, Michigan |
Michigan Indiana Illinois Wisconsin Minnesota |
| 5 | Denton, Texas |
Arkansas Louisiana Texas Oklahoma New Mexico |
| 6 | Denver, Colorado |
Iowa Missouri North Dakota South Dakota Nebraska Kansas Wyoming Colorado |
| 7 | Santa Rosa, California |
Utah Arizona Nevada California Hawaii |
| 8 | Everett, Washington |
Montana Idaho Oregon Washington Alaska |
Table 91-2. Emergency Management Regions 2003
| Region | Headquarters | States |
| 1 | Boston, Massachusetts |
Maine New Hampshire Vermont Massachusetts Rhode Island Connecticut |
| 2 | New York, New York |
New York New Jersey Puerto Rico Virginia Islands |
| 3 | Philadelphia, Pennsylvania |
Pennsylvania Delaware Maryland District of Columbia Virginia West Virginia |
| 4 | Atlanta, Georgia |
Kentucky Tennessee North Carolina South Carolina Georgia Florida Alabama Mississippi |
| 5 | Chicago, Illinois |
Ohio Indiana Illinois Michigan Wisconsin Minnesota |
| 6 | Denton, Texas |
Arkansas Louisiana Texas Oklahoma New Mexico |
| 7 | Kansas City, Kansas |
Iowa Missouri Nebraska Kansas |
| 8 | Denver, Colorado |
North Dakota South Dakota Montana Wyoming Colorado Utah |
| 9 | San Francisco, California |
Arizona Nevada California Hawaii |
| 10 | Seattle, Washington |
Idaho Oregon Washington Alaska |
Sources: Mitchell, Donald W., Civil Defense: Planning for Survival and Recovery, Washington, District of Columbia, United States of America, Industrial College of the Armed Forces, U. S. Government Printing Office, 1967.
Entry 0391 - posted 16 August 2003