Based on the best scientific information available, artificial reefs in waters covered under this chapter shall be sited and constructed, and subsequently monitored and managed in a manner which will—

((1)) enhance fishery resources to the maximum extent practicable;

((2)) facilitate access and utilization by United States recreational and commercial fishermen;

((3)) minimize conflicts among competing uses of waters covered under this chapter and the resources in such waters;

((4)) minimize environmental risks and risks to personal health and property; and

((5)) be consistent with generally accepted principles of international law and shall not create any unreasonable obstruction to navigation.