Sec. 3. DEFINITIONS. For the purpose of this Act the term:
(a) "Board" means the Texas Water Development Board.
(b) "Political Subdivision" means any political subdivision or body politic and corporate of the State of Texas, and includes any county, river authority, conservation and reclamation district, water control and improvement district, water improvement district, water control and preservation district, fresh water supply district, irrigation district, and any type of district heretofore or hereafter created or organized or authorized to be created or organized pursuant to the provisions of Article XVI, Section 59 or Article III, Section 52 of the Constitution of the State of Texas; "political subdivision" also means any interstate compact commission to which the State of Texas is a party, municipal corporation or city whether operating under the Home Rule Amendment of the Constitution or under the General Law.
(c) "National Flood Insurance Act" means the United States Congressional Enactment, Title 42, United States Code, Sections 4001-4127, and the implementation and administration of the Act by the Secretary of the United States Department of Housing and Urban Development.
(d) "Secretary" means the Secretary of the United States Department of Housing and Urban Development.