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r e e t e . 001811: 2527.05 TITLE 2500 - WATERSHED MANAGEMENT 7. Establish specific management standards and guide- lines for floodplains and wetlands as a part of forest planning actions. 8. Cooperate with State and County governments in the development and implementation of appropriate early flood warning and evacuation plans. 2527.05 - Definitions 1. Action. Any Federal activity including (1) acquiring, managing, and disposing of Federal lands and facilities, (2) providing federally undertaken, financed, or assisted construction or improvements, and (3) conduct- ing Federal activities and programs affecting land use, including but not limited to, water and related land resources planning, regulating, and licensing activities. 2. Critical Action. Any action for which even a slight chance of flooding would be too great. 3. Facility. Any man-made or man-placed items other than a structure. 4. Flood or Flooding. A general or temporary condi- tion of partial or complete inundation of normally dry land areas from the overflow of inland and/or tidal waters, and/or the unusual and rapid accumulation or runoff of sur- face waters from any source. 5. Flood Risk. The probability that one Dr more events will exceed a given flood frequency within a speci- fied period of years. 6. Base Floodplain. The lowland and relatively flat areas joining inland and coastal water including debris cones and flood-prone areas of offshore islands, including at a minimum, that area sUbject to a 1 percent (lOO-year recurrence) or greater chance of flooding in any given year. a. Coastal Floodplain. A flood-prone area adjacent to estuaries or oceans. Flooding in these areas is due pri- marily to landward flows caused by unusually high tides, storm surges, tsunamis, or a combination of these causes. *-FSM 3/86 AMEND 48-*