Section 165.T846 - Safety Zone; Lower Mississippi River, Ohio River, and Upper Mississippi River, Bird's Point-New Madrid Floodway(a)Location. The temporary safety zone will encompass all navigable waters of the Lower Mississippi River from mile marker (MM) 953.8 to MM 887.0, the Upper Mississippi River from MM 0.0 to MM 3.0, and the Ohio River from MM 981.5 to MM 978.5.(b)Regulations.(1) In accordance with the general regulations in § 165.23 of this part, entry into, transiting, or anchoring within this temporary safety zone is prohibited unless authorized by the Captain of the Port Sector Ohio Valley (COTP) or a designated representative.(2) To seek permission to enter, contact the COTP or a designated representative by radio VHF-FM Channel 16 or via phone at 502-779-5422. Those in the safety zone must comply with all lawful orders or directions given to them by the COTP or a designated representative.(c)Enforcement period. The COTP or a designated representative will inform the public of the enforcement date and times for this safety zone, as well as any emergent safety concerns that may delay the enforcement of the zone through Local Notices to Mariners (LNMs), and/or actual notice.USCG-2019-0123, 84 FR 29069 , June 21, 2019