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~~rtace upstreaM, and Tt 15 un II kely that debr Is would t;loCk any of these bridges. On the Gunnison RTver, there Is One very old bridge. It h"s no center piers to collect debris, and Is not considered o~structlve to tloodflows. Flood Damage Reduction Mea~ures . Local Interests hilve constructed levees On tho south ~lInk of the Colorado ~Iver downstream from the mouth of the Gunnison River to provIde some protection to residents I n the Connectlc~t Lakes arca. Low dIkes have a Iso been constructed along Rlv<lrsTde P"rk On the nortM bank of the ColoradO River ~pstream from the Grand Avenue bridge. 0< h~vy r~noft by the National Weather ServTce River Forecast Center in Salt La><.aCltyand arodlstrlbuted throu'1h the news media. These forecasts provIde timely warning of antlclpat6d floodflows on the ColoradO and Gunnison Rivers. During the 1957 flood, the U.S. Atomic Energy Commission oon~tructed II levee along the east bank of fhe Gunnison River, whiCh affords protec. tiontoltslnstallatTon. Flood fightlnq ann emergency evacuation plans. . '~sa County has dev!>loped a Civil Defense F.r"€r~ency Oporat Ions PI an that Is applicable to flood dIsasters In the Grand JunctIon area. Underthisplan,clty and county law enforcement anencles warn the Inhabitants of an Impend- Ing flood and coordInate search and rescue operations, maIntenance department. remove debrl. and make emergency repairs, and welfare agencies care for displaced persons and coordinate Red Cross actIvities. These activities are coordInated by the CIvil Defense Director In accordance with establiShed policIes of the local govern. Ingbodlas. Storage of floatable mater1als In flood plain areas. . The uses of flOOd plaIns In the study area do not result In the accumulatIon of signIficant amounts of floatable materials thdt cnuld be carried away by flondwators. ThuS, tho presenCA 0< floatable mat~rlals constitutes a negligible flood hazard or potentIal <Iood loss. The ColoradO R!ver basin reservoirs, Including Granby, Green Mountaln,DTllon,WrlllamsFork,Yega,andRuedl,areoperatedfor...ater conservation purposes and consuquently provTde only Incidental flood protection to the Grand Junction area. This Incldentel storage, trans- mountain dIversion, and IrrigatIon ~ses have served to reduce ~ak tlows for very I argo t loods In the ST~Oy aroa. 51"i larry, In the Gunnison River basin, Taylor Park arl~ Morrow ?olnt Roservolrs provIde Incidental flood protectIon to the Gnmd JunctTon ~r"d. PilOn I ~ and 81 UA Mesa are oel nn operat6d so as to aHord additional flood control b~sed ~pon torcastlnq sno~melt runoft condi- tions. Requlatlons lire beIng drafted by the Corps of Engineers and the U.S. Bureau of Reclamation to define the actual operation at these lafter two reservoIrs. Otber Factors and Their Impacts Flood warn1n~ and forecasting. The National Oceanic and AtFOspher!c Administration (NOAA) through Its National Weather Service, maintains year_rounosurvelllanceofweatheranctloodconditlons. Floodtoro. casts for the ColoradO and Gunnison Rivers are prepared during periodS , "