{"data":{"id":"us/33-cfr-329.4","jurisdiction":"us","citation":"33 CFR 329.4","heading":"General definition.","body":"Navigable waters of the United States are those waters that are subject to the ebb and flow of the tide and/or are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce. A determination of navigability, once made, applies laterally over the entire surface of the waterbody, and is not extinguished by later actions or events which impede or destroy navigable capacity.","path":["Title 33—Navigation and Navigable Waters","CHAPTER II—CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF DEFENSE","PART 329—DEFINITION OF NAVIGABLE WATERS OF THE UNITED STATES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"67f63e436d711f7dbac20969fc59f83edad911d3f810eb64e83c876515fcae22","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-329.3","next":"us/33-cfr-329.5"},"notice":"GroundRules: Original legal text. Not legal advice."}