; and (6) establishing the Mississippi River Corridor Research Centers. 3. Mississippi River Restoration and Resilience Initiative Title I of the Federal Water Pollution Control Act ( 33 U.S.C. 1251 et seq. ) is amended by adding at the end the following: 127. Mississippi River (a) Definitions In this section: (1) Agency The term Agency means the Environmental Protection Agency. (2) MRRRI The term MRRRI means the Mississippi River Restoration and Resilience Initiative established by this section. (3) Program office The term Program Office means the Mississippi River National Program Office established by this section. (4) MRRRI Director The term MRRRI Director means the Director of the Mississippi River National Program Office established under this section. (5) Mississippi River Corridor The term Mississippi River Corridor means the portions of the Mississippi River watershed (including tributary watersheds) located in a Mississippi River State. (6) Mississippi River State The term Mississippi River State means Arkansas, Illinois, Iowa, Kentucky, Louisiana, Minnesota, Mississippi, Missouri, Tennessee, or Wisconsin. (7) Tribal government The term Tribal government means the recognized governing body of an any Indian tribe, band, nation, pueblo, village, community, component band, or component reservation, individually identified (including parenthetically) in the list published pursuant to section 104 of the Federally Recognized Indian Tribe List Act of 1994 ( 25 U.S.C. 5131 ). (8) Tribal organization The term Tribal organization has the meaning given such term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). (9) Rural The term rural means an area that is not delineated by the Bureau of the Census as an urbanized area or an urban cluster based on decennial census results. (10) Economically disadvantaged community The term economically disadvantaged community means any census block group in which 30 percent or more of the population are individuals with an annual