110 STAT. 3740 PUBLIC LAW 104-303—OCT. 12, 1996 excavated materials resulting from construction of the new gated dam at Braddock, Pennsylvania, as part of the Locks and Dams 2, 3, and 4, Monongahela River, Pennsylvania, navigation project, to support; environmental restoration of the former United States Steel Duquesne Works brownfield site— (1) if the Pennsylvania Department of Environmental Protection issues a "no further action" decision or a mitigation plan for the site prior to a determination by the District Engineer, Pittsburgh District, that the dredged and excavated materials are available; and (2) if the Southwestern Pennsylvania Growth Fund agrees to hold and save the United States free from damages in connection with use of the dredged and excavated materials, except for damages due to the fault or negligence of the United States or its contractors. TITLE IV—STUDIES Reports. 33 USC 1263 note. SEC. 401. CORPS CAPABILITY STUDY, ALASKA. Not later than 18 months after the date of the enactment of this Act, the Secretary shall report to Congress on the advisability and capability of the Corps of Engineers to implement rural sanitation projects for rural and Native villages in Alaska. SEC. 402. RED RIVER, ARKANSAS. The Secretary shall— (1) conduct a study to determine the feasibility of carrying out a project to permit navigation on the Red River in southwest Arkansas; and (2) in conducting the study, Einalyze economic benefits that were not included in the limited economic analysis contained in the reconnaissance report for the project dated November 1995. SEC. 403. MCDOWELL MOUNTAIN, ARIZONA. The Secretary shall credit toward the non-Federal share of the cost of the feasibility study on the McDowell Mountain, Arizona, project an amount equal to the cost of work performed by the city of Scottsdale, Arizona, and accomplished prior to the city's entering into an agreement with the Secretary if the Secretary determines that the work is necessary for the study. SEC. 404. NOGALES WASH AND TRIBUTARIES, ARIZONA. (a) STUDY.— The Secretary shall conduct a study of the relationship of flooding in Nogales, Arizona, and floodflows emanating from Mexico. (b) REPORT. — The Secretary shall transmit to Congress a report on the results of the study conducted under subsection (a), together with recommendations concerning the appropriate level of non- Federal participation in the project for flood control, Nogales Wash and tributaries, Arizona, authorized by section 101(a)(4) of the Water Resources Development Act of 1990 (104 Stat. 4606). SEC. 405. GARDEN GROVE, CALIFORNIA. The Secretary shall conduct a study to assess the feasibility of implementing improvements in the regional flood control system within Garden Grove, California.