{"data":{"id":"us/33-cfr-100.1102","jurisdiction":"us","citation":"33 CFR 100.1102","heading":"Annual Marine Events on the Colorado River, between Davis Dam (Bullhead City, Arizona) and Headgate Dam (Parker, Arizona).","body":"(a) General. Special local regulations are established for the events listed in Table 1 of this section. Notice of implementation of these special local regulations will be made by publication in the Federal Register 30 days prior to the event for those events without specific dates or by Notice to Mariners 20 Days prior to the event for those events listing a period for which a firm date is identifiable. In all cases, further information on exact dates, times, and other details concerning the number and type of participants and an exact geographical description of the areas are published by the USCG Southwest District in the Local Notice to Mariners at least 20 days prior to each event. To be placed on the mailing list for Local Notice to Mariners contact: Commander (dpw), USCG Southwest District, Coast Guard Island, Building 50-2, Alameda, CA 94501-5100. Note: Sponsors of events listed in Table 1 of this section must submit an application each year in accordance with 33 CFR 100.15 to the cognizant Coast Guard Sector Commander no less than 60 days before the start of the proposed event. Sponsors are informed that ample lead time is required to inform all Federal, state, local agencies, and/or other interested parties and to provide the sponsor the best support to ensure the safety of life and property. A Coast Guard-National Park Service agreement exists for both the Glen Canyon and Lake Mead National Recreational Areas; applicants shall contact the cognizant authority for approval of events in these areas.\n(b) Special local regulations. All persons and vessels not registered with the sponsor as participants or as official patrol vessels are considered spectators. The “official patrol” consists of any Coast Guard, other Federal, state or local law enforcement, and any public or sponsor-provided vessels assigned or approved by the cognizant Coast Guard Sector Commander to patrol each event.\n(1) No spectator shall anchor, block, loiter, nor impede the through transit of participants or official patrol vessels in the regulated areas during all applicable effective dates and times unless cleared to do so by or through an official patrol vessel.\n(2) When hailed and/or signaled by an official patrol vessel, any spectator located within a regulated area during all applicable effective dates and times shall come to an immediate stop.\n(3) The Patrol Commander (PATCOM) is empowered to control the movement of all vessels in the regulated area or to restrict vessels from entering the regulated area. The Patrol Commander shall be designated by the cognizant Coast Guard Sector Commander; will be a U.S. Coast Guard commissioned officer, warrant officer, or petty officer to act as the Sector Commander's official representative; and will be located aboard the lead official patrol vessel. As the Sector Commander's representative, the PATCOM may terminate the event any time it is deemed necessary for the protection of life and property. PATCOM may be reached on VHF-FM Channel 13 (156.65MHz) or 16 (156.8MHz) when required, by the call sign “PATCOM.”\n(4) The Patrol Commander may, upon request, allow the transit of commercial vessels through regulated areas when it is safe to do so.\n(5) The Coast Guard may be assisted by other Federal, state, or local agencies.\nTable 1 to § 100.1102\n[All coordinates referenced use datum NAD 83.]\n1. Lake Havasu Winter Water-Ski Race\nSponsor National Water-ski Racing Association.\nEvent Description Water-ski races.\nDate Saturday and Sunday in late February or early March.\nLocation Lake Havasu, AZ.\nRegulated Area That portion of the lower Colorado River on the Arizona side between Thompson Bay and Copper Canyon.\n2. Havasu Landing Regatta\nSponsor Southern Outboard Association.\nEvent Description Boat Races on closed course.\nDate Saturday and Sunday in February.\nLocation Havasu Lake, CA.\nRegulated Area That portion of the lower Colorado River on the California side at Havasu Landing Resort and Casino.\n3. Parker International Water-Ski Race\nSponsor International Water-ski Race Association.\nEvent Description Water-ski Show.\nDate Second Saturday and Sunday in March.\nLocation Parker, AZ.\nRegulated Area The entire water area of the Colorado River beginning at BlueWater Marina in Parker, AZ, and extending approximately 10 miles to La Paz County Park.\n4. Desert Storm\nSponsor Lake Racer LLC.\nEvent Description Boat Poker Run and Exhibition Runs.\nDate April weekend (3 day event).\nLocation Lake Havasu, AZ.\nRegulated Area The waters of the lower Colorado River encompassed from the eastern line off of Algoma Pier Head Lighthouse to the Split Rock Lighthouse as the western line, with the following boundaries:\nEastern Boundary Line: 34°26′51″ N, 114°20′41″ W to 34°27′17″ N, 114°20′51″ W.\nWestern Boundary Line: 34°27′18″ N, 114°22′34″ W to 34°26′55″ N, 114°22′59″ W.\n5. Lake Havasu Grand Prix\nSponsor Pacific Offshore Powerboat Racing Association (POPRA).\nEvent Description Boat Races on closed course.\nDate April weekend (2 day event).\nLocation Lake Havasu, AZ.\nRegulated Area The waters of the lower Colorado River encompassed by the following boundaries:\nBoundary one from 34°27′44″ N, 114°20′53″ W to 34°27′51″ N, 114°20′43″ W.\nBoundary two from 34°26′50″ N, 114°20′41″ W to 34°27′14″ N, 114°20′55″ W.\nBoundary three from 34°26′10″ N, 114°18′40″ W to 34°25′50″ N, 114°18′52″ W.\n6. BlueWater Resort and Casino Spring Classic\nSponsor Southern California Speedboat Club.\nEvent Description Professional High-speed powerboat race, closed course.\nDate Saturday and Sunday in April.\nLocation Parker, AZ.\nRegulated Area The Lake Moovalya area of the Colorado River in Parker, AZ.\n7. BlueWater Resort and Casino Southwest Showdown\nSponsor Arizona Drag Boat Association.\nEvent Description Professional High-speed powerboat drag race, on a measured course.\nDate Saturday and Sunday in March.\nLocation Parker, AZ.\nRegulated Area Adjacent to the BlueWater River Casino, Arizona side of the Colorado River in Parker, AZ.\n8. BlueWater Resort and Casino West Coast Nationals\nSponsor RPM Racing Enterprises.\nEvent Description Professional High-speed powerboat race, closed course.\nDate Saturday and Sunday in April.\nLocation Parker, AZ.\nRegulated Area The Lake Moovalya area of the Colorado River and the portion of the Colorado River adjacent to the BlueWater River Casino, in Parker, AZ.\n9. Great Western Tube Float\nSponsor City of Parker, AZ.\nEvent Description River float.\nDate One Saturday in June.\nLocation Parker, AZ.\nRegulated Area The navigable waters of the Colorado River from Buckskin Mountain State Park to La Paz County Park.\n10. IJSBA World Finals\nSponsor International Jet Sports Boating Association (IJSBA).\nEvent Description Personal Watercraft Race.\nDate Second Saturday through third Sunday of October (10 Days).\nLocation Lake Havasu City, AZ.\nRegulated Area The navigable waters of Lake Havasu, AZ in the area known as Crazy Horse Campgrounds.\n11. Parker Enduro\nSponsor Parker Area Chamber of Commerce.\nEvent Description Hydroplane, flatbottom, tunnel, and v-bottom powerboat race.\nDate Late October.\nLocation Parker, AZ.\nRegulated Area Between river miles 179 and 185 (between the Roadrunner Resort and Headgate Dam).\n12. BlueWater Resort and Casino Thanksgiving Regatta\nSponsor Southern California Speedboat Club.\nEvent Description Boat Races.\nDate Thursday, Friday, Saturday, and Sunday during Thanksgiving week.\nLocation Parker, AZ.\nRegulated Area The Lake Moovalya area of the Colorado River and the portion of the Colorado River adjacent to the BlueWater River Casino, in Parker, AZ.\n13. Lake Havasu City Boat Parade of Lights\nSponsor London Bridge Yacht Club.\nEvent Description Boat parade during which vessels pass by a pre-designated vessel and then transit through the London Bridge Channel.\nDate First Saturday and Sunday in December.\nLocation Lake Havasu, AZ.\nRegulated Area A pre-determined course that travels through the waters of North Lake Havasu, London Bridge Channel and Thompson Bay.\n14. Mark Hahn Memorial 300 PWC Endurance Race\nSponsor DSM Events.\nEvent Description 300 Nautical Mile PWC Race Loop Track.\nDate Late February.\nLocation Lake Havasu City, AZ.\nRegulated Area A 10 mile course on Northern Lake Havasu from London Bridge to North Lake Havasu Landing.\n15. Lake Havasu Triathlon\nSponsor Tucson Racing.\nEvent Description Swim race.\nDate March.\nLocation Lake Havasu, AZ.\nRegulated Area Waters North of London Bridge to waters just north of Crazy Horse Camp Ground.\n16. Bullhead City River Regatta\nSponsor Bullhead City.\nEvent Description River float.\nDate One Saturday in August.\nLocation Bullhead City, AZ.\nRegulated Area The navigable waters of the Colorado River from Camp Davis to the Rotary Park.\n17. BlueWater Triathlon\nSponsor Blue Water Resort \u0026 Casino\nEvent Description Swimming Portion of Triathlon Race.\nDate One Saturday in October.\nLocation Parker, AZ.\nRegulated Area The waters of the Colorado River between river between the BlueWater Resort \u0026 Casino Amphitheater and just North of Headgate Rock Dam in Parker, AZ.\n18. BlueWater Resort and Casino 300 Enduro\nSponsor RPM Racing Enterprises.\nEvent Description Boat Race.\nDate Late October.\nLocation Parker, AZ.\nRegulated Area Between river miles 179 and 185 (between the Roadrunner Resort and Headgate Dam).\n19. Another Dam Race\nSponsor Blue Water Resort and Casino.\nEvent Description Kayak, surbboard, surfski, stand up paddle board race.\nDate A Saturday in November.\nLocation Parker, AZ.\nRegulated Area Between river miles 179 and 185 (between the Roadrunner Resort and Headgate Dam).","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER G—REGATTAS AND MARINE PARADES","PART 100—SAFETY OF LIFE ON NAVIGABLE WATERS","Subpart G—USCG Southwest District"],"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":"13ca3c7fae7851268626ae8654f97511ae1be1b9a69cfb4b5ce933b34b78d8f0","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-100.1101","next":"us/33-cfr-100.1103"},"notice":"GroundRules: Original legal text. Not legal advice."}