DALLAS FLOODWAY EXTENSION, DALLAS, TEXAS.

SEC. 351. DALLAS FLOODWAY EXTENSION, DALLAS, TEXAS.(a) In General.—The project for flood control, Dallas Floodway Extension, Dallas, Texas, authorized by section 301 of the River and Harbor Act of 1965 (79 Stat. 1091), is modified to provide that flood protection works constructed by the non-Federal interests along the Trinity River in Dallas, Texas, for Rochester Park and the Central Wastewater Treatment Plant shall be included as a part of the project and the cost of such works shall be credited against the non-Federal share of project costs. (b) Determination of Amount.—The amount to be credited under subsection (a) shall be determined by the Secretary. In determining such amount, the Secretary may permit credit only for that portion of the work performed by the non-Federal interests that is compatible with the project referred to in subsection (a), including any modification thereof, and that is required for construction of such project. (c) Cash Contribution.—Nothing in this section shall be construed to limit the applicability of the requirement contained in section 103(a)(1)(A) of the Water Resources Development Act of 1986 (33 U.S.C. 2213(a)(1)(A)) to the project referred to in subsection (a).