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instream flow right for Cross Creek.This private right appears in connection with Lottis Creek in Case No. <br /> W 1987. <br /> Case No. W1987 details privately held instream flow rights for Lottis Creek and three of its tributaries <br /> (Cameron, Cross, and Union creeks).The private instream flow right for Cross Creek is 5 cfs.The priority <br /> date for these flows is 1910 and the beneficial use is for stock water, recreation,fish culture, wildlife <br /> procreation, and heritage preservation.This use was recognized as non-exclusive and to be used in <br /> common with the State of Colorado (See Case No.W-1987). Although these private flow rights are <br /> extensive,they do not afford the same protections offered by instream flow rights held by the CWCB. <br /> Rights held by the CWCB are monitored and enforced by CWCB staff and the State can join as a party to <br /> protect potential harm to these appropriations.They are non-transferable and cannot be sold.The <br /> water rights are summarized in Attachment B. <br /> Biological Summary <br /> The headwaters of Cross Creek form above treeline as a cold-water, high gradient stream.There are <br /> both active and abandoned beaver ponds at several locations alongside the creek.The riparian area of <br /> the creek is primarily composed of willows and wet meadow vegetation.The confluence of Cameron <br /> and Lottis creeks also supports high-quality wetlands. <br /> Generally, Cross Creek has gravel and cobble-sized substrate. Flows from Cameron Creek support a <br /> robust riparian area that provides shade and cover for the extant fish community. While conducting <br /> R2Cross assessments, we saw numerous macroinvertebrates and small fish (unknown species). CPW <br /> surveyed Cross Creek in October 2022 and found numerous brown trout(Attachment C). <br /> Preliminary R2Cross Analysis <br /> HCCA relied on the expertise of Alpine Environmental Consultants LLC to interpret output from the <br /> R2Cross model and develop a preliminary instream flow recommendation that will protect Cross Creek's <br /> natural environment to a reasonable degree. <br /> One R2Cross field survey was completed on June 28, 2021.The cross-section is in Cross Creek <br /> approximately 0.2 miles upstream of the confluence with Lottis Creek. R2Cross data entry, analysis, and <br /> interpretation were completed following fieldwork.These data were used to create the preliminary <br /> instream flow recommendations for Cross Creek(Table 2).The R2Cross output and field forms are <br /> attached for review (Attachment D). <br />