U.S. Environmental Protection Agency (EPA)
• Region 1–CT, MA, ME, NH, RI, VT, 10 Tribal Nations
• Region 2–NJ, NY, PR, VI, 7 Tribal Nations
• Region 3-DC, DE, MD, PA, VA, WV
• Region 4-AL, FL, GA, KY, MS, NC, SC, TN
• Region 5-IL, IN, MI, MN, OH, WI, 35 Tribal Nations
• Region 6-AR, LA, NM, OK, TX, 66 Tribal Nations
• Region 7-IA, KS, MO, NE, 9 Tribal Nations
• Region 8-CO, MT, ND, SD, UT, WY, 27 Tribal Nations
• Region 9-AZ, CA, HI, NV, PW, Tribal Nations
• Region 10–AK, ID, OR, WA, Tribal Nations
| State Environmental Agencies |