• Special flood hazard areas like regulatory     floodways or the 1% annual chance floodplain zone (100-year) or the 0.2%     annual chance floodplain zone (500-year) for critical actions. ​
• Environmentally sensitive areas such as barrier     islands, conservation easements, fish hatcheries, preserves, state and     national parks, and wildlife management areas. ​
• Areas near beaches, canals, lakes, rivers,     streams, wetlands, or other bodies of water including fishing piers. ​
• Floodplains
• Wetlands
• Coastal Barrier Resources System units
• Waters of the United States (WOTUS) ​
• Critical habitat for endangered or threatened     species ​
• Historic properties
• Areas with environmental justice concerns

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