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Bear Creek Appendices
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Bear Creek Appendices
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Last modified
3/31/2017 2:46:10 PM
Creation date
10/5/2006 11:01:10 PM
Metadata
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Template:
Instream Flow Appropriations
Case Number
05CW0147
Stream Name
Bear Creek
Water Division
4
Water District
60
County
San Miguel
Instream Flow App - Doc Type
Supplemental Data
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<br />STATE OF COLORADO <br /> <br /> <br />Bill Owens, Governor <br />DEPARTMENT OF NATURAL RESOURCES <br /> <br />DIVISION OF WILDLIFE <br /> <br />AN EQUAL QPPORTUNllY EMPLOYER <br /> <br />Bruce McCloskey, Director <br />6060 Broadway <br />Denver, Colorado 80216 <br />Telephone: (303) 297-1192 <br /> <br />December 20, 2004 <br /> <br />Mr. Dan Merriman and Mr. Todd Doherty <br />Colorado Water Conservation Board <br />Stream and Lake Protection Section <br />1313 Sherman Street, Room 723 <br />Denver, Colorado 80203 <br /> <br />Re: Colorado Division of Wildlife Instream Flow Recommendations for Bear Creek. <br /> <br />Dear Dan and Todd, <br /> <br />The purpose of this letter is to officially transmit the Colorado Division of Wildlife's (CDOW) Instream Flow <br />Recommendations for Bear Creek in San Miguel County. The reach of stream covered by this. flow <br />recommendation is from the headwaters to the confluence with the San Miguel River, a distance of <br />approximately 4 miles. <br /> <br />In 1984, Colorado Water Conservation Board (CWCB) appropriated a 2.0 cfs year-round water right for the <br />segment of Bear Creek from the headwaters to the confluence with the San Miguel River. In 1996, the <br />Upper San Miguel River Basin Stakeholders requested the CWCB and the CDOW to revisit the upper San <br />Miguel River Basin and evaluate the flow needs of all stream segments located in the basin (see attached <br />letter). The CDOW has collected the additional stream cross section information required to quantify the <br />instream flow needs for an instream flow enlargement of Bear Creek. The existence of a natural <br />environment was established by the CWCB in Case Number 4-84CW428. Bear Creek is classified as a <br />medium stream (between 20 to 35 feet wide). AquatiC sampling shows that a self sustaining brook and <br />rainbow trout fishery exists in the upper San Miguel River Basin. In addition to the trout fishery, the upper <br />basin also supports a population of mottled sculpins. <br /> <br />The stream cross section data was analyzed using the R2CROSS program. The R2CROSS output was <br />evaluated using the methods described in Nehring (1979) and Espegren (1996). The CDOW has reviewed <br />the data collected to date and based on that review recommends that the CWCB appropriated the following <br />flow amount to preserve the natural environment of the San Miguel River to a reasonable degree: <br /> <br />. 6.2 cubic feet per second is recommended for the period of May 15 through October 31. This <br />flow is required to maintain to a reasonable degree, the three principal hydraulic criteria of <br />average depth, average velocity and percent wetted perimeter. Implementing this <br />recommendation would require a 4.2 cfs enlargement from May 15 through October 31. <br /> <br />DEPARTMENT OF NATURAL RESOURCES, Russell George, Executive Director <br />WilDLIFE COMMISSION. Philip James. Chair. Jeffrey Crawford, Vice-Chair. Brad Phelps, Secretary <br />Members, Bernard Black. Tom Burke. Rick Enstrom. Claire 0' Neal- Robert Shoemaker. Ken Torres <br />Ex Officio Members. Russell George and Don Ament <br />
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