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<br />tj ::.. <br /> <br />'. <br />. <br /> <br />PRESENT WATER SITUATION <br /> <br />" <br /> <br />Forecasts of hydroelectric power generation during <br /> <br /> <br />the coming, summer are based on known conditions (current <br /> <br /> <br />storage in reservoirs, amount of water currently stored <br /> <br /> <br />in the headwater areas in the form of snowpack, ground <br /> <br /> <br />water conditions, etc.), on the assumption that normal <br /> <br /> <br />precipitation will occur during the remainder of the <br /> <br /> <br />forecast period. <br /> <br />The lowest rainfall and snowfall on record occurred <br /> <br /> <br />during the :winter of 1976-77, in some areas. While the <br /> <br />final situation is dependent on the precipitation in the <br /> <br />spring and early summer months, it is very unlikely that <br /> <br />existing deficiencies can be made up, in general, although <br /> <br /> <br />problems in some areas may be alleviated. <br /> <br />Of thw U.S. hydroelectric capacity serving the <br /> <br /> <br />Pacific No~thwest region, almost 60 percent is located on <br /> <br />the main st~m of the Columbia River, 16 percent is in the <br /> <br /> <br />Snake River Basin, 8 percent is in the headwaters of the <br /> <br />Columbia, and 7 percent is in the Puget Sound and other <br /> <br /> <br />coastal areas. Other installations are scattered <br /> <br />throughout ~he mid-Columbia and lower Columbia basins. <br /> <br />15 <br /> <br />,I <br /> <br />. .~ "... <br /> <br /> <br />. .'~'" <br /> <br /> <br />t~':'~;~.~:~:~~4;,\~ <br />~~;~;~~~i~{~&~ <br />;:ill'~' ,Jl?,<ilI <br /> <br />i~ <br /> <br /> <br />l" <br /> <br /> <br />~t <br />~;~1(;}1~ ...;: .,,<~;;' ': <br />""':(~N"':;':'_"'~'~ <br /> <br />st' X,; ,-hl;.;,..i.;.:"';o, "" 'i <br />