(b) The Regional Administrator may award section 106 funds to an interstate agency only if:
- (1) The interstate agency filed with the Administrator within 120 days after October 18, 1972, a summary report of the current status of the State pollution control program, including the criteria used by the State in determining priority of treatment works.
- (2) There is no federally-assumed enforcement as defined in section 309(a)(2) of the Clean Water Act in effect with respect to the interstate agency.