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Coastal Scoping & Discovery Reports

This page links to Coastal Scoping Reports and Discovery Reports for the Great Lakes Coastal Flood Study. FEMA’s Coastal Scoping Reports and Discovery Reports provide users with a comprehensive and holistic understanding of historical flood risk, existing coastal data, and current flood mitigation activities within each lake’s basin. The Coastal Scoping Report or Discovery Report also provides users with a summary of FEMA’s intent to proceed with a coastal flood hazard study under FEMA’s Risk Mapping, Assessment, and Planning (Risk MAP) program and the Great Lakes Coastal Flood Study (GLCFS) project.

The following Coastal Scoping and Discovery Reports are listed on this page. Use the links below to jump to that section:

Lake Erie Final Discovery Reports

Lake Erie Final Discovery Report Executive Summary [0.1 MB .pdf]

Lake Erie Final Discovery Report (Including all appendices) [114 MB .zip]

Note: The link above is a .zip archive containing the reports and all appendices. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Lake Erie Final Discovery Report (Not including appendices) [2.2 MB .pdf]
Appendix A – Stakeholder List [0.1 MB .pdf]
Appendix B – Pre-Discovery Kickoff Meeting [2.5 MB .pdf]
Appendix C – Coastal Data Request Form [0.4 MB .pdf]
Appendix D1 – Monroe, Wayne County Michigan [26 MB .pdf]
Appendix D2 – Ashtabula, Lake County Ohio [18 MB .pdf]
Appendix D3 – Cuyahoga County Ohio [14 MB .pdf]
Appendix D4 – Erie, Lorain County Ohio [14 MB .pdf]
Appendix D5 – Lucas County Ohio [10 MB .pdf]
Appendix D6 – Ottawa, Sandusky County Ohio [23 MB .pdf]
Appendix D7 – Erie County Pennsylvania [15 MB .pdf]

Lake Huron DRAFT Coastal Scoping Reports

Bay, Huron County Michigan [14 MB .pdf]
Iosco, Arenac County Michigan [9 MB .pdf]
Alpena, Alcona County Michigan [9 MB .pdf]
Cheboygan, Presque Isle County Michigan [16 MB .pdf]
Chippewa, Mackinac County Michigan [18 MB .pdf]

Lake Michigan Final Discovery Reports

Lake Michigan Final Discovery Report Executive Summary [0.1 MB .pdf]

Lake Michigan Final Discovery Report (Including all appendices) [933 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Lake Michigan Final Discovery Report (Not including appendices) [3.0 MB .pdf]
Appendix A – Stakeholder List [0.4 MB .pdf]
Appendix B – Coastal Data Request Form [0.4 MB .pdf]
Appendix C – Mackinac County Michigan [46 MB .pdf]
Appendix D – Delta, Schoolcraft, Menominee County Michigan [56 MB .pdf]
Appendix E – Marinette, Oconto County Wisconsin [23 MB .pdf]
Appendix F – Kewaunee, Door, Brown County Wisconsin [42 MB .pdf]
Appendix G – Sheboygan, Manitowoc, Ozaukee County Wisconsin [31 MB .pdf]
Appendix H – Milwaukee, Racine, Kenosha County Wisconsin [32 MB .pdf]
Appendix I – Cook, Lake County Illinois [44 MB .pdf]
Appendix J – Lake, Porter, La Porte County Indiana [55 MB .pdf]
Appendix K – Berrien, Van Buren County Michigan [61 MB .pdf]
Appendix L – Allegan, Ottawa County Michigan [44 MB .pdf]
Appendix M – Muskegon, Oceana County Michigan [58 MB .pdf]
Appendix N – Manistee, Mason County Michigan [58 MB .pdf]
Appendix O – Benzie, Grand Travers, Leelanau County Michigan [145 MB .pdf]
Appendix P – Antrim, Charlevoix, Emmet County Michigan [133 MB .pdf]
Appendix Q – Coastal Data Request Form [0.4 MB .pdf]
Appendix R – Final Discovery Maps [126 MB .pdf]
Appendix S – Stakeholder Comments [0.2 MB .pdf]
Appendix T – USACE Coastal Inventory Database [0.4 MB .pdf]
Appendix U – Critical Dune Areas and High Risk Erosion Figures [11 MB .pdf]
Appendix V – Status of Hazard Mitigation Plans [0.4 MB .pdf]
Appendix W – Mitigation Action Form [0.9 MB .pdf]

Lake Ontario Final Discovery Reports

Lake Ontario Final Discovery Maps (All) [59 MB .zip]

Note: The link above is a large .zip archive containing all the maps and may be a long download. If you are interested in a smaller download, you can use the links below to download the maps individually.

Cayuga County Discovery Map 1 [1.5 MB .pdf]
Cayuga County Discovery Map 2 [1.3 MB .pdf]
Genesee County Discovery Map 1 [1.9 MB .pdf]
Genesee County Discovery Map 2 [2 MB .pdf]
Hamilton County Discovery Map 1 [2 MB .pdf]
Hamilton County Discovery Map 2 [1.5 MB .pdf]
Herkimer County Discovery Map 1 [2 MB .pdf]
Herkimer County Discovery Map 2 [1.8 MB .pdf]
Jefferson County Discovery Map 1 [2.8 MB .pdf]
Jefferson County Discovery Map 2 [2.6 MB .pdf]
Lewis County Discovery Map 1 [2.7 MB .pdf]
Lewis County Discovery Map 2 [2.3 MB .pdf]
Livingston County Discovery Map 1 [2 MB .pdf]
Livingston County Discovery Map 2 [2 MB .pdf]
Monroe County Discovery Map 1 [2.5 MB .pdf]
Monroe County Discovery Map 2 [2.4 MB .pdf]
Niagara County Discovery Map 1 [1.9 MB .pdf]
Niagara County Discovery Map 2 [1.6 MB .pdf]
Oneida County Discovery Map 1 [1.8 MB .pdf]
Oneida County Discovery Map 2 [1.5 MB .pdf]
Onondaga County Discovery Map 1 [1.5 MB .pdf]
Onondaga County Discovery Map 2 [1.3 MB .pdf]
Ontario County Discovery Map 1 [1.8 MB .pdf]
Ontario County Discovery Map 2 [1.5 MB .pdf]
Orleans County Discovery Map 1 [1.8 MB .pdf]
Orleans County Discovery Map 2 [1.6 MB .pdf]
Oswego County Discovery Map 1 [2.3 MB .pdf]
Oswego County Discovery Map 2 [2.6 MB .pdf]
St. Lawrence County Discovery Map 1 [1.9 MB .pdf]
St. Lawrence County Discovery Map 2 [1.6 MB .pdf]
Wayne County Discovery Map 1 [2.1 MB .pdf]
Wayne County Discovery Map 2 [1.7 MB .pdf]
Wyoming County Discovery Map 1 [1.8 MB .pdf]
Wyoming County Discovery Map 2 [1.4 MB .pdf]


Black River Watershed Discovery Report (Including all appendices) [181 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Black River Watershed Discovery Report (Not including appendices) [4.4 MB .pdf]
Appendices A-C E-G [11.1 MB .pdf]
Appendix D Lake Ontario Stakeholders [1.2 MB .pdf]
Appendix H Discovery Meeting Data Worksheets and Stream Matrices [69.3 MB .pdf]
Appendix I Community Acknowledgement [15.2 MB .pdf]
Appendix J Local Ordinances [98.7 MB .pdf]
Appendix K Hazus AAL NOV2015 [2.8 MB .xlsx]
Appendix L Dams and Floodplain structures Part B [0.1 MB .xlsx]
Appendix L Part A Dams and Floodplain [0.1 MB .pdf]
Appendix M FEMA Public Assistance 6-2-2015 NOV2015 [14 MB .xlsx]
Appendix N Summary Memorandum [0.3 MB .pdf]
Appendix O Scope of Work [0.1 MB .pdf]


Chaumont-Perch Watershed Discovery Report (Including all appendices) [118 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Chaumont-Perch Watershed Discovery Report (Not including appendices) [3.8 MB .pdf]
Appendices A-C E-G [12.9 MB .pdf]
Appendix D Additional Stakeholders Chaumont-Perch Watershed [0.3 MB .pdf]
Appendix H Discovery Meeting Data Worksheets and Stream Matrices [69.5 MB .pdf]
Appendix I Community Acknowledgement [15.2 MB .pdf]
Appendix J Community Ordinances Chaumont [22.5 MB .pdf]
Appendix K Hazus AAL NOV2015 [2.8 MB .xlsx]
Appendix L Dams and Floodplain structures Part B [0.1 MB .xlsx]
Appendix M FEMA Public Assistance 6-2-2015 NOV2015 [14 MB .xlsx]
Appendix N Chaumont-Perch Watershed Meeting Summary Memo [0.2 MB .pdf]
Appendix O Chaumont-Perch Watershed Recommended Scope of Work [0.1 MB .pdf]


Headwaters St Lawrence Watershed Discovery Report (Including all appendices) [118 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

St Lawrence Watershed Discovery Report (Not including appendices) [3.5 MB .pdf]
Appendices A-C E-G [11.1 MB .pdf]
Appendix D Additional Stakeholders St Lawrence Watershed [0.2 MB .pdf]
Appendix H Discovery Meeting Data Worksheets and Stream Matrices [69.3 MB .pdf]
Appendix I Community Acknowledgement [15.2 MB .pdf]
Appendix J Community Ordinances [14 MB .pdf]
Appendix K Hazus AAL NOV2015 [2.8 MB .xlsx]
Appendix L Dams and Floodplain structures Part B [0.1 MB .xlsx]
Appendix L St Lawrence Watershed Dams FP Structures Part A [0.2 MB .pdf]
Appendix M FEMA Public Assistance 6-2-2015 NOV2015 [14 MB .xlsx]
Appendix N Headwaters to the St Lawrence Discovery Watershed Meeting Summary Memo [0.2 MB .pdf]
Lawrence Watershed Recommended Scope of Work to FEMA Final [0.1 MB .pdf]


Irondequoit-Ninemile Watershed Discovery Report (Including all appendices) [107 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Irondequoit-Ninemile Watershed Discovery Report (Not including appendices) [4.4 MB .pdf]
Appendices A-C E-G [11.1 MB .pdf]
Appendix D Additional Stakeholders Irondequoit-Ninemile Watershed [0.1 MB .pdf]
Appendix H Discovery Meeting Data Worksheets and Stream Matrices [62.4 MB .pdf]
Appendix I Community Acknowledgement [15.2 MB .pdf]
Appendix J Community Ordinances [91.6 MB .pdf]
Appendix K Hazus AAL NOV2015 [2.8 MB .xlsx]
Appendix L Dams and Floodplain structures Part B [0.1 MB .xlsx]
Appendix L Irondequoit-Ninemile Dams Part A [0.2 MB .pdf]
Appendix M FEMA Public Assistance 6-2-2015 NOV2015 [14 MB .xlsx]
Appendix N Irondequoit-Ninemile Watershed Meeting Summary Memo [0.5 MB .pdf]
Appendix O Irondequoit-Ninemile Watershed Recommended Scope of Work [0.1 MB .pdf]


Lower Genesee Watershed Discovery Report (Including all appendices) [200 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Lower Genesee Watershed Discovery Report (Not including appendices) [4.7 MB .pdf]
Appendices A-C E-G [11.1 MB .pdf]
AppendixN Lower Genesee Watershed Meeting Summary Memorandums [0.3 MB .pdf]
AppendixO Lower Genesee Watershed Recommended Scope of Work [0.1 MB .pdf]
Appendix D Additional Stakeholders Lower Genesee Watershed [0.1 MB .pdf]
Appendix H Discovery Meeting Data Worksheets and Stream Matrices CLEAN [62.4 MB .pdf]
Appendix I Community Acknowledgement [15.2 MB .pdf]
Appendix J Community Ordinances [118.9 MB .pdf]
Appendix K Hazus AAL NOV2015 [2.8 MB .xlsx]
Appendix L Dams and Floodplain structures Part B [0.1 MB .xlsx]
Appendix L LowerGenesee Dams Part A [0.2 MB .pdf]
Appendix M FEMA Public Assistance 6-2-2015 NOV2015 [14 MB .xlsx]


Oswego Watershed Discovery Report (Including all appendices) [189 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Oswego Watershed Discovery Report (Not including appendices) [3.3 MB .pdf]
Appendices A-C E-G [11.1 MB .pdf]
Appendix D Additional Stakeholders Oswego Watershed [0.2 MB .pdf]
Appendix H Discovery Meeting Data Worksheets and Stream Matrices [69.3 MB .pdf]
Appendix I Community Acknowledgement [15.2 MB .pdf]
Appendix J Community Ordinances [124.2 MB .pdf]
Appendix K Hazus AAL NOV2015 [2.8 MB .xlsx]
Appendix L Dams and Floodplain structures Part B [0.1 MB .xlsx]
Appendix L Oswego Watershed Dams FP Structures Part A [0.1 MB .pdf]
Appendix M FEMA Public Assistance 6-2-2015 NOV2015 [14 MB .xlsx]
Appendix N Oswego Watershed Memo [0.3 MB .pdf]
Appendix O Oswego Watershed Recommended Scope of Work to FEMA Final [0.2 MB .pdf]


Salmon-Sandy Watershed Discovery Report (Including all appendices) [257 MB .zip]

Note: The link above is a large .zip archive containing the reports and all appendices and may be a long download. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Salmon-Sandy Watershed Discovery Report (Not including appendices) [4.4 MB .pdf]
Appendices A-C E-G [11.1 MB .pdf]
Appendix D Additional Stakeholders Salmon-Sandy Watershed [0.3 MB .pdf]
Appendix H Discovery Meeting Data Worksheets and Stream Matrices [69.5 MB .pdf]
Appendix I Community Acknowledgement [15.2 MB .pdf]
Appendix J Community Ordinances [199.1 MB .pdf]
Appendix K Hazus AAL NOV2015 [2.8 MB .xlsx]
Appendix L Dams and Floodplain structures Part B [0.1 MB .xlsx]
Appendix L Salmon-Sandy Watershed Dams FP Structures Part A [0.2 MB .pdf]
Appendix M FEMA Public Assistance 6-2-2015 NOV2015 [14 MB .xlsx]
Appendix N Salmon-Sandy Watershed Meeting Summary Memo [0.3 MB .pdf]
Appendix O Salmon-Sandy Watershed Recommended Scope of Work [0.1 MB .pdf]

Lake Superior DRAFT Coastal Scoping Reports

Bayfield, Ashland County Wisconsin [17 MB .pdf]
St. Louis County Minnesota, Douglas County Wisconsin [10 MB .pdf]
Cook, Lake County Minnesota [17 MB .pdf]
Alger, Barga, Marquette County Minnesota [17 MB .pdf]

Lake St. Clair Final Discovery Reports

Lake St. Clair Final Discovery Report Executive Summary [0.1 MB .pdf]

Lake St. Clair Final Discovery Report (Including all appendices) [106 MB .pdf]

Note: The link above contains the report and all appendices. If you are interested in a smaller download, you can use the links below to download the report and the appendices individually.

Lake St. Clair Final Discovery Report (Not including appendices) [2.5 MB .pdf]
Appendix A – Stakeholder List [0.3 MB .pdf]
Appendix B – Data Request Form [0.5 MB .pdf]
Appendix C – Macomb County [56 MB .pdf]
Appendix D – St. Clair County [18 MB .pdf]
Appendix E – Wayne County [25 MB .pdf]
Appendix F – Final Discovery Maps [7 MB .pdf]
Appendix G – High Risk Erosion Figures [0.2 MB .pdf]
Appendix H – Mitigation Action Form [0.4 MB .pdf]