• Federal Emergency Management Agency (FEMA)
• Ohio Floodplain Management Association (OFMA)

Additional Technical Guidance and Information on Floodplains

• Ohio Department of Natural Resources, Division of Water, Office of Floodplain Management
• National Flood Insurance Program (NFIP)
• Local Floodplain Administrator Listing - For questions regarding local floodplain regulations and floodplain permits in your project area.

Legislation and Regulations

• Presidential Executive Order 11988, Floodplain Management
• National Floodplain Act of 1968
• Flood Disaster Prevention Act of 1973
• USDOT Order 5650.2, Floodplain Management and Protection
• FEMA, 2002 Title 44 CFR Part 9, Floodplain Management and Protection of Wetlands
• Ohio Revised Code (ORC) 1521.13, Floodplain management activities
• Ohio Revised Code (ORC) 1521.14, Action to enforce national flood insurance program standards
• FHWA Federal Aid Policy Guide - Engineering and Traffic Operations

Additional Information and Guidance

• FHWA Floodplain Guidance
• Non-Regulatory Supplement Attachment on Participation Options for Limiting Flood Damage (Sept. 30, 1992)
• Guidance for Implementing the One-foot Standard for Encroachments on NFIP Floodplains (Dec. 22, 1986)
• Procedures for Coordinating Highway Encroachments on Floodplains with FEMA
• FIRMette (Flood Insurance Rate Map)
• FIRMette Tutorials
• USGS StreamStats in Ohio
• ODNR Geographic Information Management System (GIMS)
• ODOT Location & Design Manual  - Volume 2 Drainage Design
• ODOT Bridge Design Manual - Section 200

Floodplain Management Associations

• Association of State Floodplain Managers
• Ohio Floodplain Management Association

Federal Emergency Management Agency

• Floodsmart

National Oceanic and Atmospheric Administration (NOAA)

• NOAA/NWS Advanced Hydrologic Prediction Service, River Forecast Centers
• NOAA/NWS Flood Warnings
• NOAA/NWS Ohio River Forecast Center (OHRFC)
• NOAA/NWS Cincinnati River Stage Information

United States Geological Survey (USGS)

• USGS Near Real Time Stream Gage Information for Ohio
• USGS Water Resources of Ohio Main Page
• USGS Ohio NWIS-W Data Retrieval
• USGS National Flood Info