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<br />Elevation of permanent creat..............ft., m.s.l.. <br />Elevation of gates in raised position.....ft., m.s.l.. <br />Depth of flood control pool over permanent crest,. ft. . <br />Discharge of each at top of dam with gates fully <br /> <br />depressed............. .. ...... ...... .. ....... c. f. s.. 200,000 <br />Spillway gates - type................................. Drum <br />Number on each spillway............................. 4 <br />Size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100' L x 16' H <br />Outlet works: <br />Intske tower sill elevation (4 towers)....ft., m.s.l.. 895 <br /> <br />Outlets - type....................................... Needle valves <br />Number - <br /> <br />Canyon vall........................... ...... .. ..... . .. ...... .......... <br />Tlmnel plug.................................................................. .. .. .. .. .. .. .. <br /> <br />c:> <br /> <br />c-.~ <br /> <br />~ <br />e-: <br />6~) <br /> <br />REPORT ON <br />RESERVOIR REGULATION FOR FLOOD CONTROL <br />HOOVER DAM AND lAKE MEAD <br />COLORADO RIVER BASIN <br /> <br />PERTINENT DATA <br /> <br />Drainage area................................ sq. miles.. <br />Reservoir; <br />Iength. eo................................................................ .miles... <br />Elevation - <br />Top of flood-control pool...............ft., m.s.l.. <br />Top of minimum power pool...............ft., m.s.l.. <br />Area (1963-64 survey)- <br />Permanent spillway crest (elev. 1,205.4).....scres.. <br />Top of raised apillway gates (elev. 1,221.4).acres.. <br />Top of flood-control pooL.................. .acres.. <br />CapaCity, net (1963-64 survey)- <br />Permanent spillway crest..,................ .ac. -ft.. <br />Top of raised spillway gates................ac.-ft.. <br />Top of flood-control pooL............. .... .ac. -ft.. <br />Top of minimum power pool...................ac.-ft.. <br />Dead storage below elevation 895............ac.-ft.. <br />Dam - tY})e.......................................,...................................... Concrete <br />Top elevation....... ..................... .ft., m.s.l.. <br />Parapet eleVtltion......................... ft., m. s.l. . <br />Structural height... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ft. . <br />Crest length..................................... .ft.. <br />Spillway - type.........................Side channel gate <br /> <br />NtJ.mber.... ............................................................................... <br /> <br />i11 <br /> <br />167,800 <br /> <br />U5 <br /> <br />1229.0 <br />1083.0 <br /> <br />148,300 <br />157,900 <br />l62,700 <br /> <br />23,708,000 <br />26,159,000 <br />27,m,000 <br />10,024,000 <br />2,378,000 <br />thick-arch <br />1,232 <br />1,236 <br />726.4 <br />1,244 <br />controlled <br />2 <br />1,205.4 <br />1,221.4 <br />23.6 <br /> <br />11 <br />12 <br />