Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/48115
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dc.contributor.authorUnited States. Army. Corps of Engineers. Jacksonville District-
dc.date.accessioned2024-01-18T20:50:21Z-
dc.date.available2024-01-18T20:50:21Z-
dc.date.issued2023-11-
dc.identifier.urihttps://hdl.handle.net/11681/48115-
dc.descriptionEnvironmental Assessment and Finding of No Significant Impacten_US
dc.description.abstractThe U.S. Army Corps of Engineers, Jacksonville District (Corps), proposes maintenance dredging of the Miami Harbor Navigation Project, a Congressionally authorized project in Miami-Dade County, Florida. The non-federal sponsor (NFS) is Miami-Dade County. The Corps has prepared this Environmental Assessment (EA) consistent with the National Environmental Policy Act (NEPA) and the Council on Environmental Quality’s implementing regulations. The City of Miami is located on the west side of Biscayne Bay; the City of Miami Beach is located on an island on the northeast side of the bay, opposite Miami. Both cities are located in Miami-Dade County, Florida, and are connected by several causeways crossing the bay. Miami Harbor is an island port facility consisting of 518 upland acres and is located in the northern portion of Biscayne Bay in South Florida. The port is the southernmost major Atlantic Coast port. Referenced to other major South Atlantic Region ports, the port is located 21 nautical miles south of Port Everglades (Fort Lauderdale), Florida; 83 nautical miles south of Palm Beach, Florida; 173 nautical miles south of Port Canaveral, Florida; 306 nautical miles south of Jacksonville, the most northern port on Florida’s Atlantic Coast; and 144 nautical miles north of Key West, the southernmost port in Florida. The purpose of the Miami Harbor Navigation Project maintenance dredging is to maintain safe and efficient vessel navigation through the channel and harbor features. The need for maintenance dredging is driven by the accumulation of sediment, commonly referred to as shoaling. When shoaling occurs, it reduces depths and widths of the navigation channels, hindering safe and efficient vessel navigation. Shoaling can occur at any time and in any location due to natural processes. Periodic dredging is required to remove accumulated sediments and thus maintain the channel and harbor features at the federally authorized and constructed dimensions. This EA evaluates the potential effects of the proposed maintenance dredging of the Miami Harbor Navigation Project as well as the associated dredged material placement in the Miami Ocean Dredged Material Disposal Site (ODMDS) on the human environment and incorporates the Corps’ Essential Fish Habitat (EFH) Assessment. This EA completes coordination with National Marine Fisheries Service (NMFS) on the project’s potential effects to EFH pursuant to the Magnuson-Stevens Fishery Conservation and Management Act (MSFCMA). The Corps has also completed Endangered Species Act (ESA) consultation with U.S. Fish and Wildlife Service (USFWS) on the project’s potential effects to threatened and endangered (T&E) species. All of the T&E species that may occur in the project area that are under NMFS’s jurisdiction are covered by the South Atlantic Regional Biological Opinion for Dredging and Material Placement Activities in the Southeast United States (SARBO) and the Corps will comply with all conditions of that Opinion. This 2023 EA adopts the analysis conducted in the Miami Harbor General Reevaluation Report Study Final Environmental Impact Statement (EIS) dated January 2004, where the information is valid and applicable to this evaluation; however, the Corps also considered more recent information as listed in Sections 1.4 and 9, including comments received on the 2019 draft EA listed in Section 1.4 and comments received on the 2022 draft EA.en_US
dc.description.sponsorshipUnited States. Army. Corps of Engineers.en_US
dc.description.tableofcontents1 PROJECT PURPOSE AND NEED ....................................................................... 1-1 1.1 PROJECT DESCRIPTION ................................................................................ 1-1 1.2 PROJECT NEED OR OPPORTUNITY .............................................................. 1-4 1.3 PROJECT AUTHORITY .................................................................................... 1-4 1.4 RELATED ENVIRONMENTAL DOCUMENTS .................................................. 1-4 1.5 DECISIONS TO BE MADE ................................................................................ 1-6 1.6 SCOPING AND ISSUES ................................................................................... 1-6 RELEVANT ISSUES ............................................................................................. 1-6 ISSUES ELIMINATED FROM FURTHER ANALYSIS .......................................... 1-6 1.7 PUBLIC INTEREST FACTORS ......................................................................... 1-7 2 AFFECTED ENVIRONMENT ................................................................................ 2-8 2.1 NATURAL SETTING ......................................................................................... 2-8 2.2 THREATENED AND ENDANGERED (T&E) SPECIES ..................................... 2-9 2.3 FISH AND WILDLIFE RESOURCES (OTHER THAN T&E SPECIES) ............ 2-16 2.4 ESSENTIAL FISH HABITAT............................................................................ 2-16 SEAGRASSES.................................................................................................... 2-17 CORALS, CORAL REEFS, AND HARDBOTTOM HABITATS ............................ 2-20 2.5 WATER QUALITY ........................................................................................... 2-29 2.6 SEDIMENT CHARACTERISTICS ................................................................... 2-31 2.7 AIR QUALITY .................................................................................................. 2-38 2.8 NOISE ............................................................................................................. 2-38 2.9 AESTHETIC RESOURES ............................................................................... 2-39 2.10 RECREATIONAL RESOURCES ..................................................................... 2-39 PARKS AND OTHER PROTECTED AREAS ...................................................... 2-39 2.11 SOCIOECONOMIC RESOURCES .................................................................. 2-39 2.12 NAVIGATION AND SAFETY ........................................................................... 2-40 2.13 NATIVE AMERICANS ..................................................................................... 2-40 2.14 CULTURAL, HISTORIC, AND ARCHAEOLOGICAL RESOURCES ............... 2-40 3 ALTERNATIVES ................................................................................................... 3-1 3.1 DESCRIPTION OF ALTERNATIVES ................................................................ 3-1 ALTERNATIVE 1: NO ACTION ............................................................................. 3-1 ALTERNATIVE 2: MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL IN MIAMI OCEAN DREDGED MATERIAL DISPOSAL SITE (ODMDS) ................................................................ 3-1 ALTERNATIVE 3: MAINTENANCE DREDGING OF THE INNER HARBOR CUTS WITH PLACEMENT OF DREDGED MATERIAL IN MIAMI ODMDS .................... 3-3 3.2 COMPARISON OF ALTERNATIVES: ISSUES AND BASIS FOR CHOICE ...... 3-4 3.3 ALTERNATIVES CONSIDERED BUT ELIMINATED FROM FURTHER EVALUTATION ................................................................................................ 3-10 3.4 PREFERRED ALTERNATIVE ......................................................................... 3-10 4 ENVIRONMENTAL EFFECTS .............................................................................. 4-1 4.1 THREATENED AND ENDANGERED (T&E) SPECIES ..................................... 4-1 NO ACTION ALTERNATIVE ................................................................................. 4-1 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................... 4-2 4.2 FISH AND WILDLIFE RESOURCES (OTHER THAN T&E SPECIES) .............. 4-7 NO ACTION ALTERNATIVE ................................................................................. 4-7 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE...................................................................................................... 4-7 4.3 ESSENTIAL FISH HABITAT: SEAGRASSES ................................................... 4-8 NO ACTION ALTERNATIVE ................................................................................. 4-8 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................... 4-8 4.4 ESSENTIAL FISH HABITAT: CORALS, CORAL REEFS, AND HARDBOTTOM HABITATS ......................................................................................................... 4-9 NO ACTION ALTERNATIVE ................................................................................. 4-9 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................... 4-9 4.5 WATER QUALITY ........................................................................................... 4-10 NO ACTION ALTERNATIVE ............................................................................... 4-10 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-10 4.6 SEDIMENT CHARACTERISTICS ................................................................... 4-11 NO ACTION ALTERNATIVE ............................................................................... 4-11 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-11 4.7 AIR QUALITY .................................................................................................. 4-11 NO ACTION ALTERNATIVE ............................................................................... 4-11 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-12 4.8 NOISE ............................................................................................................. 4-12 NO ACTION ALTERNATIVE ............................................................................... 4-12 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-12 4.9 AESTHETIC RESOURCES ............................................................................. 4-12 NO ACTION ALTERNATIVE ............................................................................... 4-12 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-12 4.10 RECREATIONAL RESOURCES ..................................................................... 4-13 NO ACTION ALTERNATIVE ............................................................................... 4-13 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-13 4.11 SOCIOECONOMICS ....................................................................................... 4-13 NO ACTION ALTERNATIVE ............................................................................... 4-13 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-13 4.12 NAVIGATION & SAFETY ................................................................................ 4-14 NO ACTION ALTERNATIVE ............................................................................... 4-14 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-14 4.13 NATIVE AMERICANS ..................................................................................... 4-14 NO ACTION ALTERNATIVE ............................................................................... 4-14 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-14 4.14 CULTURAL, HISTORIC, AND ARCHAEOLOGICAL RESOURCES ............... 4-14 NO ACTION ALTERNATIVE ............................................................................... 4-14 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-14 4.15 IRREVERSIBLE AND IRRETRIEVABLE COMMITMENT OF RESOURCES . 4-15 IRREVERSIBLE .................................................................................................. 4-15 IRRETRIEVABLE ................................................................................................ 4-15 4.16 UNAVOIDABLE ADVERSE ENVIRONMENTAL EFFECTS ............................ 4-15 NO ACTION ALTERNATIVE ............................................................................... 4-15 MAINTENANCE DREDGING OF THE FULL PROJECT WITH PLACEMENT OF DREDGED MATERIAL AT MIAMI ODMDS ALTERNATIVE (PREFERRED ALTERNATIVE) .................................................................................................. 4-15 4.17 CUMULATIVE EFFECTS ................................................................................ 4-16 5 PUBLIC INVOLVEMENT ...................................................................................... 5-1 5.1 AGENCY AND STAKEHOLDER COORDINATION .......................................... 5-1 5.2 COMMENTS ON THE DRAFT EA .................................................................... 5-1 6 ENVIRONMENTAL COMMITMENTS AND COMPLIANCE .................................. 6-1 7 ACRONYM LIST ................................................................................................... 7-1 8 REFERENCES...................................................................................................... 8-1 APPENDICES Appendix A – Pertinent Correspondence Appendix B – Public and Agency Comments Appendix C – Environmental Justice Analysis Appendix D – Other Reports and Related Documents Appendix E – Port Miami Comprehensive Maintenance Dredging Plan-
dc.format.extent959 pages / 38.19 MB-
dc.format.mediumPDF-
dc.language.isoen_USen_US
dc.publisherUnited States. Army. Corps of Engineers. Jacksonville District.en_US
dc.rightsApproved for Public Release; Distribution is Unlimited-
dc.sourceThis Digital Resource was created in Microsoft Word and Adobe Acrobat-
dc.subjectPort of Miami (Fla.)en_US
dc.subjectDredgingen_US
dc.subjectDredging spoilen_US
dc.subjectDredged materialen_US
dc.subjectInland navigationen_US
dc.subjectEnvironmental managementen_US
dc.subjectEnvironmental protectionen_US
dc.titleFinal Environmental Assessment : Maintenance Dredging and Dredged Material Placement for Miami Harbor Navigation Project at Port Miami in Miami-Dade County, Floridaen_US
dc.typeReporten_US
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