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ISFAPPC00906
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Instream Flow Appropriations
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ISFAPPC00906
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Last modified
3/28/2017 1:24:00 PM
Creation date
10/5/2006 10:32:47 PM
Metadata
Fields
Template:
Instream Flow Appropriations
Case Number
03CW0266
Stream Name
Bitter Creek
Watershed
White River
Water Division
5
Water District
43
County
Garfield
Instream Flow App - Doc Type
Supplemental Data
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<br />-, <br />.' -:.. .',' ~ <br /> <br />IN REPLY REFER TO: <br /> <br />United States Department of the Interior <br /> <br />BUREAU OF LAND MANAGEMENT <br />Colorado State Office <br />2850 Youngfield Street <br />Lakewood, Colorado 80215-7093 <br /> <br /> <br />.~. <br /> <br /> <br />www.co.blm.gov <br /> <br />CO-932 <br />7250 <br /> <br />DEe 2.0 2002. <br /> <br />Mr. Dan Merriman <br />Colorado Water Conservation Board <br />1313 Sherman Street, Room 721 <br />Denver, Colorado 80203 <br /> <br />Dear Mr. Merriman: <br /> <br />The Bureau of Land Management (BLM) is writing this letter to formally communicate its <br />instream flow recommendation for Bitter Creek, located in Water Division 5. <br /> <br />. <br /> <br />Location and Land Status. Bitter Creek is located approximately three miles southwest of <br />Baxter Pass, which is crossed by Garfield County Road 201. The stream reach covered by this <br />recommendation runs from the headwaters to the Utah-Colorado border. Of the 5.8 mile reach, <br />45 percent is located on public lands. <br /> <br />Biological Summary. Fishery surveys indicate that the stream environment is in stable condition, <br />and supports a self-sustaining brook trout fishery. Spawning substrate, pool availability, and food <br />availability are good for salmonids. However, vegetative cover is limited in this reach, <br />underscoring the importance of protecting flows to maintain suitable temperatures during the late <br />summer and fall. <br /> <br />R2Cross Analysis. BLM collected one data set on this creek. This effort produced a summer <br />recommendation that is within the confidence interval of the R2Cross model. From examining <br />stream gage data, it appears that protection of winter flows will be controlled by very limited <br />water availability during the winter. BLM's data analysis indicates that the following flows are <br />required to protect the fishery and natural environment to a reasonable degree. <br /> <br />1.80 cubic feet per second is recommended for the high temperature period from May 1 to <br />October 31. Providing this flow rate is especially important during spring runoff since the <br />availability of physical habitat is so limited during the remainder of the year. This <br />recommendation is driven by the average depth criteria. <br /> <br />. <br /> <br />0.40 cubic feet per second is recommended for the low temperature period from <br />November 1 to Apri130. BLM's opinion is that this flow will be sufficient to maintain <br />pools that will allow fish to over-winter, and that it will provide in excess of 50 percent <br />
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