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<br /> <br />Photo courlesy of Colorado State Parks <br /> <br />Stream and Lake Protection <br /> <br />There are 40 instream flow segments totaling approxi- <br />mately 227 stream miles in this basin. There are also <br />29 lakes with decreed natural lake levels. These decreed <br />water rights are held by the CWCB to "protect the natural <br />environment to a reasonable degree." The decreed flow or <br />lake level for each of these instream flow segments and <br />natural lakes is based on the flow or lake level required to <br />maintain water-dependent natural habitat. <br /> <br />Source: Colorado Water Conservation Board <br /> <br />Wet and Dry Periods <br /> <br />Every year, Colorado experiences at least one 100-year flood <br />somewhere in the state. Colorado's flood losses have been <br />documented to be $4.9 billion. The basin's most recent major <br />flood event was May-June 1957. The estimated total historic <br />damages for this basin are $110,000 to date. <br /> <br />-~~ <br />Dry Avg Wet <br /> <br />1923 <br />Basin floods <br />I <br /> <br />D <br /> <br />D <br /> <br />cD <br />U; <br /> <br />~ <br />o <br /> <br />~ <br />U1 <br /> <br />~ <br />o <br /> <br />~ <br />U1 <br /> <br />cD <br />U1 <br />o <br /> <br />cD <br />0J <br />U1 <br /> <br />cD <br />0J <br />o <br /> <br />Source: Division 6 Engineer's Office <br /> <br />Major Exports from the Basin <br /> <br />Name <br /> <br />Diversions <br />(acre-feet) <br />16, 1 04 <br />4,410 <br />1,673 <br />461 <br />22,648 <br /> <br />1* Laramie-Poudre Tunnel <br />2 Michigan Ditch <br />3 Wilson Supply Ditch <br />4 Other <br />Total <br /> <br />Major Imports into the Basin <br /> <br />None <br /> <br />* Numbers in the above table correspond to numbers that <br />accompany arrows on the basin map (p. 5). <br /> <br />Source: Division 1 and Division 6 Engineer's 1998 Annual Reporl, <br />10-year average. <br /> <br /> <br />Three Island Lake (Photo courlesy of Bill Green) <br /> <br />1957 <br />Basin floods <br />I <br />III <br /> <br />1980 1984 <br />Basin floods Basin floods <br />I I <br />D . <br /> <br />cD <br />U1 <br />U1 <br /> <br />ffi <br />o <br /> <br />~ <br />U1 <br /> <br />ffi <br />U1 <br /> <br />~ <br />o <br /> <br />cD <br />ex> <br />o <br /> <br />cD <br />ex> <br />U1 <br /> <br />cD <br />ill <br />o <br /> <br />cD cD <br />~ ~ <br /> <br />( <br /> <br />) <br /> <br />North Platte River Basin Facts - 3 <br />