Which agency commonly dredges seaplane bases for calmer water?

The United States Army Corps of Engineers (USACE) is primarily responsible for managing and maintaining various water-related projects, including dredging activities. Dredging is essential for seaplane bases to ensure that waterways are deep enough and free of obstacles, allowing for safer and calmer operations for seaplanes. The USACE has the expertise and resources to execute dredging projects effectively, making them the go-to agency for maintaining water clarity and safety in these environments.

In contrast, the Federal Aviation Administration (FAA) focuses on overseeing civil aviation and ensuring safety in the airspace but is not directly involved in dredging activities. The United States Coast Guard (USCG) is a maritime security organization with a focus on vessel safety, search and rescue operations, and maritime law enforcement, rather than specifically on dredging seaplane bases. The National Transportation Safety Board (NTSB) primarily investigates transportation accidents and does not engage in maintenance activities like dredging. Each of these agencies has different functions, which clarifies why the USACE is the appropriate choice when it comes to dredging seaplane bases.