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2002-06-17_GENERAL DOCUMENTS - M1979097
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2002-06-17_GENERAL DOCUMENTS - M1979097
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Last modified
5/14/2020 12:02:56 PM
Creation date
11/23/2007 7:43:33 AM
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DRMS Permit Index
Permit No
M1979097
IBM Index Class Name
General Documents
Doc Date
6/17/2002
Doc Name
Substitute Supply Plan Renewal
From
Applegate Group
To
DMG
Media Type
D
Archive
No
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r <br />Recharge <br />One Box Elder Ditch share:will be recharged into the 8.5-acre pond located on the northwest " <br />portion of the site. Water enters the pond from the Box Elder Ditch through a culvert located <br />near the northwest corner of the pond (Figure No. 1). Through a conversation with Jack Swets, ` <br />Box Elder Ditch Superintendent, it was determined that water has been diverted into the pond at <br />a rate of 1.0 cfs throughout the 2001 irrigation season. According to Mr. Swets, 1.0 cfs is <br />equivalent to 1.0 Box Elder Ditch share. The flow into the pond is currently limited by the size <br />of the culvert. <br />The recharge to the Cache la Poudre River was modeled under the following assumption's: <br />• The downstream edge of the pond used for recharge of the 1..0 Box Elder share is <br />approximately 5000 feet from the Poudre River. <br />• The transmissivity was assumed as 55,000 gal/day/ft. This value was assumed to be.the <br />same as the transmissivity of a pump test well in the area: Source: Groundwater Circular <br />No. 11, Loc. B7-68-22aba2 (Appendix A). <br />• Thespecific yield was assumed to be 0.2, which is typical for an alluvial aquifer. <br />• The location of the parallel impermeable boundary was assumed to be a distance of 5800 <br />feet from a live stream. Source: USGS Depth to the Water Table in the Boulder-Fort <br />Collins-Greeley Area, Front Range Urban Corridor, Colorado. <br />The summary of the recharge analysis is included in Appendix. C for your review. The model <br />shows the timing from recharge of the consumptive use credit for 1.0 Box Elder share owned by <br />Flatiron Co., which is 40:9 acre-feet: This credit was prorated from the values shown in column <br />"F" in Table, No. 3 for the 8.0 Box Elder shares owned by Flatiron Co. The timing of the <br />recharge credit at equilibrium for this 1.0 Box Elder share is shown in Table No. 4. Since the full <br />delivery of the 1.0 share is diverted into the pond, the historic return flows from this share are <br />maintained in the same timing to the river. <br />Rigden Flume <br />Flatiron Co. owns the Rigden Flume water right that was decreed in case no. 89CW226: The <br />Rigden Flume water right is decreed for augmentation and other uses with a rate of 10.6 cfs. It <br />carries water from the drainage basin-that lies to the east of the East Rigden site. (Figure No. 1). <br />The water from this drainage empties into the Fossil Creek inlet ditch. A copy of the decree is <br />included in Appendix D. Applegate Group, Inc. compiled the call records available for both the <br />South Platte and Cache la Poudre rivers. These records were reviewed with George Varra, <br />District 3 Water Commissioner. It was determined from these records that the Rigden Flume <br />water right may be used for credit December through March, during these months there is no <br />downstream call on the Platte River, and the only call on the Poudre River is the Fossil Creek <br />Page 5 <br />
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