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<br />Major Storage Projects <br /> <br />Reservoir <br /> <br />Normal Storage <br />(acre-feet) <br />7,092 <br />6,951 <br />4,506 <br />4,400 <br />3,722 <br />1,905 <br />1,730 <br />1,434 <br />550 <br />525 <br />497 <br />350 <br /> <br />Lake John <br />MacFarlane Reservoir <br />Walden Reservoir <br />Meadow Creek Reservoir <br />Laune Reservoir <br />Pole Mountain Reservoir <br />North Michigan Creek Reservoir <br />Lower Big Creek Reservoir <br />Agua Fria Reservoir <br />Seymour Reservoir <br />West Arapahoe Reservoir <br />Buffalo Reservoir <br /> <br />Source: Colorado Division of Water Resources Office of Dam <br />Safety Database <br /> <br />Annual Discharges <br /> <br />Laram ie River near Glendevey <br /> <br />60 <br /> <br />Q) <br />Q) <br />~ 50 <br />u <br />C'l:I <br />o <br /> <br />~ 40 <br />Q) <br />O'l <br />~ <br />"fi 30 <br />1Il <br />C <br />>a <br />~ 20 <br />c <br />o <br />:iE <br />Q) <br />~ 10 <br />Q) <br />> <br /><( <br /> <br />D Avg. Year <br /> <br />Average Annual Discharge: <br />Minimum Annual Discharge: <br />Maximum Annual Discharge: <br /> <br />52,264 AF <br />19,912 AF (1977) <br />102,513 AF (1917) <br /> <br />. Max. Year <br /> <br />D Min. Year <br /> <br /> <br />o <br /> <br />Oet Nov Dee Jan Feb Mar Apr May Jun Jul Aug Sep <br /> <br />North Platte River near Northgate, Colorado <br /> <br />250 <br /> <br />Q) <br />~ <br />~ 200 <br />C'l:I <br />o <br />o <br />o <br />i 150 <br />~ <br />.r:. <br />u <br />1Il <br />~ 100 <br />:i: <br />1: <br />o <br />:iE <br />~ 50 <br />~ <br />Q) <br />> <br /><( <br /> <br />Average Annual Discharge: <br />Mininimum Annual Discharge: <br />Maximum Annual Discharge: <br /> <br />314,183AF <br />84,985 AF (1977) <br />635,938 AF (1917) <br /> <br />D Avg. Year <br /> <br />. Max. Year <br /> <br />D Min. Year <br /> <br /> <br />o <br /> <br />Oet Nov Dee Jan Feb Mar Apr May Jun Jul Aug Sep <br /> <br />Source: Colorado Deparlment of Natural Resources and U. S. Geological <br />Survey Water Data Reporls <br /> <br />Major Water Rights Calls <br /> <br />Most water rights calls occur on the tributaries to the North <br />Platte River and not on the mainstem. The major tributaries <br />generally are under administration in dry years and may be <br />under administration in average years. The priority call varies <br />throughout the year and from ditch to ditch when the system <br />is on call. The Wolfer Creek Ditch on the Roaring Fork; <br />:Midland Ditch on the Illinois River; Mutual Ditch on Grizzly <br />Creek; and the Cumberland, Lost Treasure and I.vowa <br />Ditches on the :Michigan River represent some of the <br />frequently calling rights on the tributaries. <br /> <br />Reservoir storage is administered in order to comply with <br />North Platte Decree requirements for storage in Colorado <br />reservoirs in the basin; these storage limitations have never <br />been exceeded. <br /> <br />Hydrological Variations <br /> <br />Examples of annual/ seasonal variations for the North Platte <br />are presented below and in the annual discharge graphs. <br /> <br />Gage <br /> <br />Maximum <br />Recorded <br />Flow (cfs) <br />6,450 (1923) <br />1,140 (1923) <br /> <br />Minimum <br />Recorded <br />Flow (cfs) <br />19 (1934) <br />6.0 (1920) <br /> <br />Near Northgate <br />Near Glendevey <br /> <br />Source: U. S. Geological Survey Water Data Reporls <br /> <br /> <br />Photo courlesy of Colorado State Parks <br /> <br />( <br /> <br />) <br /> <br />North Platte River Basin Facts - 2 <br />