; (ii) whether such water quality improvements would be realized without assistance under this title; and (iii) whether the proposed projects and activities would address water quality impairments associated with existing treatment works. (C) Considerations in selecting projects and activities In determining which projects and activities will achieve the greatest degree of water quality improvement, the State shall consider— (i) information developed by the State under sections 303(d) and 305(b); (ii) the State’s continuing planning process developed under sections 205(j) and 303(e); (iii) whether such project or activity may have a beneficial impact related to the purposes identified under section 302(a); (iv) the State’s management program developed under section 319; and (v) conservation and management plans developed under section 320 with respect to an estuary lying in whole or in part within the State. (D) Nonpoint sources For categories or subcategories of nonpoint sources of pollution that a State may include on its priority list under paragraph (1), the State shall consider the cumulative water quality improvements associated with projects or activities carried out pursuant to the listing of such categories or subcategories. (E) Existing methodologies If a State has previously developed, after providing notice and an opportunity for public comment, a methodology that meets the requirements of this paragraph, the State may use the methodology for the purposes of this subsection. . (b) Intended Use Plan Section 606(c) ( 33 U.S.C. 1386(c) ) is amended— (1) in the matter preceding paragraph (1) by inserting and publish after each State shall annually prepare ; (2) by striking paragraph (1) and inserting the following: (1) the State’s priority list developed under section 603(g); ; (3) in paragraph (4), by striking and at the end; (4) by striking the period at the end of paragraph (5) and inserting ; and