NATIONALLY-DEFINED VALUES - REGION

Code

Name States in the Region

01

EPA Region 1 Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont

02

EPA Region 2 New Jersey, New York, Puerto Rico, Virgin Islands

03

EPA Region 3 Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia

04

EPA Region 4 Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee

05

EPA Region 5 Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin

06

EPA Region 6 Arkansas, Louisiana, New Mexico, Oklahoma, Texas

07

EPA Region 7 Iowa, Kansas, Missouri, Nebraska

08

EPA Region 8 Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming

09

EPA Region 9 American Samoa, Arizona, California, Guam, Hawaii, Navajo Nations, Northern Marianas, Nevada, Trust Territories

10

EPA Region 10 Alaska, Idaho, Oregon, Washington