The Water Resources Development Act of 2026 focuses on water resources infrastructure, dam safety, and studies addressing contracting efficiency, sediment remediation, and fish habitat restoration. It establishes specific offices to oversee water resource projects and emphasizes multiyear contracts for cost savings and efficiency. The bill covers various studies, authorizations, and deauthorizations for projects across the United States, addressing flood risk management, ecosystem restoration, and infrastructure improvement. It also allocates funding for water and wastewater infrastructure projects in multiple states and amends funding allocations for specific projects to bolster water-related infrastructure and environmental protection efforts. The bill emphasizes collaboration, expedited project completion, and addressing various challenges in water resources management and development.