Ports and Navigation Improvement Act of 1980

[AI summary unavailable — showing source text] Ports and Navigation Improvement Act of 1980 - Directs the Secretary of the Army, acting through the Chief of Engineers, to undertake, on an expedited and priority basis, navigation improvements to the Charleston Harbor and Channels, South Carolina. Requires the Chief of Engineers, within one year of the date of enactment of this Act, to submit to Congress a final environmental impact statement for each such project demonstrating compliance with the National Environmental Policy Act of 1969, the Clean Water Act, the Fish and Wildlife Coordination Act, and other statutory requirements as determined to be pertinent by the Chief of Engineers. States that in the event that Congress does not disapprove such final environmental impact statement by concurrent resolution, within 60 days of receipt, it shall constitute a finding and determination by Congress that the policies, purposes, and requirements of said statutes have been satisfied in connection with the navigation improvement. Authorizes the Chief of Engineers to develop, improve, and maintain the Nation's rivers, harbors, and other waterways, at such depths and dimensions and with such facilities, determined to be economically jus…