The Administration's proposed tax to pay for harbor dredging is not a viable or equitable solution to funding navigation channel maintenance at the nation's ports, says the American Association of Port Authorities (AAPA). AAPA and others testified at a House Water Resources and Environment Subcommittee Hearing on the Administration's Harbor Services Fund (HSF) proposal, H. R. 1947. The plan creates a new tax on vessels to replace the Harbor Maintenance Tax, the export-tax portion of which was declared unconstitutional by the Supreme Court in 1998. The administration proposal, submitted to Congress, but not yet introduced as a bill, would…