EPA’s Current Authority Road Wetlands Overflows during rain events
Isolated Mosaic Wetlands
Construction Site Isolated Mosaic Wetlands
Ditch
Significant Nexus to Navigable Waters*
Intermittent Stream
Small Ponds Depressions in Fields Perennial Stream
Ephemeral Stream
Dam
Intermittent Stream
Perennial Stream
Sediment Pond
Navigable or Interstate Water
Adjacent Wetlands
Ephemeral Streams
Ephemeral Streams Small Ponds
Lake Storm Drain Systems
Road
River Adjacent Depressional Wetlands
Perennial Stream
Ditch Head of Tide
Ditch
Wetland Storm Drain Systems Estuary Original infograph created by National Association of Manufacturers.
Cooling Pond Ditches in Fields