(b) Where determinations have been made by the division engineer, inquiries regarding the navigability of specific portions of waterbodies covered by these determinations may be answered as follows:

This Department, in the administration of the laws enacted by Congress for the protection and preservation of the navigable waters of the United States, has determined that ___ (River) (Bay) (Lake, etc.) is a navigable water of the United States from ___ to ___. Actions which modify or otherwise affect those waters are subject to the jurisdiction of this Department, whether such actions occur within or outside the navigable areas.