{"data":{"id":"us/33-cfr-64.31","jurisdiction":"us","citation":"33 CFR 64.31","heading":"Determination of hazard to navigation.","body":"In determining whether an obstruction is a hazard to navigation for the purposes of marking, the District Commander considers, but is not limited to, the following factors:\n(a) Location of the obstruction in relation to the navigable channel and other navigational traffic patterns;\n(b) Navigational difficulty in the vicinity of the obstruction;\n(c) Depth of water over the obstruction, fluctuation of the water level, and other hydrologic characteristics in the area;\n(d) Draft, type, and density of vessel traffic or other marine activity in the vicinity of the obstruction;\n(e) Physical characteristics of the obstruction;\n(f) Possible movement of the obstruction;\n(g) Location of the obstruction in relation to other obstructions or aids to navigation;\n(h) Prevailing and historical weather conditions;\n(i) Length of time that the obstruction has been in existence;\n(j) History of vessel incidents involving the obstruction; and\n(k) Whether the obstruction is defined as a hazard to navigation under other statutes or regulations.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER C—AIDS TO NAVIGATION","PART 64—MARKING OF STRUCTURES, SUNKEN VESSELS AND OTHER OBSTRUCTIONS","Subpart D—Miscellaneous Provisions"],"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":"fd894275eebaeadce24334224cd727b0451a0800478cef55fb8c749eee14c0f7","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-64.23","next":"us/33-cfr-64.33"},"notice":"GroundRules: Original legal text. Not legal advice."}