REGION I: EASTERN REGIONAL OFFICE, WASHINGTON, DC
Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, and West Virginia.
REGION II: SOUTHERN REGIONAL OFFICE, ATLANTA, GEORGIA
Florida, Georgia, Kentucky, North Carolina, South Carolina, and Tennessee.
REGION III: MIDWESTERN REGIONAL OFFICE, CHICAGO, ILLINOIS
Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin.
REGION IV: CENTRAL REGIONAL OFFICE, KANSAS CITY, KANSAS
Alabama, Arkansas, Iowa, Kansas, Louisiana, Mississippi, Missouri, Nebraska, and Oklahoma.
REGION V: ROCKY MOUNTAIN REGIONAL OFFICE, DENVER, COLORADO
Colorado, Montana, New Mexico, North Dakota, South Dakota, Utah, and Wyoming.
REGION VI: WESTERN REGIONAL OFFICE, LOS ANGELES, CALIFORNIA
Alaska, Arizona, California, Hawaii, Idaho, Nevada, Oregon, Texas, and Washington.
45 C.F.R. §705.4