From the Document: "Congress generally funds the civil works activities of the U.S. Army Corps of Engineers (USACE) in annual Energy and Water Development appropriations acts. These activities include the planning and construction of authorized water resource projects and the operation and maintenance of infrastructure and navigation improvements managed by USACE (e.g., navigation channels). For USACE civil works, President Trump requested $5.97 billion for FY2021."
CRS In Focus, IF11462
Congressional Research Service: https://crsreports.congress.gov/