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SPDSS_Task7-2_WellUseWellAugmentationPlans
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Last modified
4/17/2013 9:38:15 AM
Creation date
6/11/2008 2:31:12 PM
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Decision Support Systems
Title
SPDSS Task 7.2 - Well Use and Well Augmentation Plans
Description
This memorandum and associated appendices characterizes the 20 largest well augmentation plans and develops recommendations for representing well use and augmentation in SPDSS modeling efforts.
Decision Support - Doc Type
Task Memorandum
Date
12/14/2007
DSS Category
Groundwater
DSS
South Platte
Basin
South Platte
Contract/PO #
C153953
Grant Type
Non-Reimbursable
Bill Number
SB01-157, HB02-1152, SB03-110, HB04-1221, SB05-084, HB06-1313, SB07-122
Prepared By
Leonard Rice Engineering
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Numerous recharge wells and augmentation wells and pumps are decreed, and some of these <br />operated as part of the plan, as summarized in Table 4. <br />Table 4 <br />Lower Logan Well Users Augmentation Plan System <br />Au mentation Well / Rechar a Well Water Ri hts <br />ll ID <br />W U Supply <br />e se Amount Admin. No. A .Date <br />Various Au mentation* <br />i <br />V <br />Various Recharge* * ar <br />ous <br />* 39 wells (structure type=2) associated with Plan ID 6402536 decreed for augmentation only versus 32 wells, <br />including 21 listed well IDs (5027, 5028, 5065, 5071, 5078, 5738, 5862, 5863, 5864, 5868, 6166, 6242, 6303, 6305, <br />6333, 6337, 6340, 6643, 6644, 6645, and 6646), included in Table SA of 03CW208 decree. <br />** No wells associated with Plan ID 6402536 decreed for recharge versus 15 wells, including 14 listed well IDs (5031, <br />6332, 6333, 6649, 6650, 6651, 6652, 6653, 6654, 6655, 6656, 6659, 6660, and 6685), included in Table 3 of 03CW208 <br />decree. <br />Augmentation Plan Operations <br />Operating rules to replace river depletions from well pumping include the following in order of <br />use: <br />1. Well depletions (stored under plan IDs 6402536 1 and 6402536_2) should be replaced year- <br />round by natural flows when in priority, i.e., typically when no downstream call or when <br />downstream call is junior to senior recharge right at Peterson Ditch of 5/2/1989 (admin. no. <br />51134.50891). <br />2. Well depletions (stored under plan IDs 6402536_1 and 6402536_2) should be replaced year- <br />round with available recharge accretions from canal seepage and recharge seepage as <br />follows: <br />• 6402536_P1C1 accretions and 6402536_P1R1 accretions replace 6402536_1 depletions <br />• 6402536_P1C2 accretions and 6402536_P1R2 accretions replace 6402536_2 depletions <br />• 6402536_P1C1 accretions and 6402536_P1R1 accretions replace 6402536_2 depletions <br />The next operation will be operated via exchange <br />• 6402536_P1C2 accretion and 6402536_P1R2 accretions replace 6402536_1 depletions. <br />3. Well depletions (stored under plan IDs 6402536_1 and 6402536_2) should be replaced year- <br />round with releases of Prewitt Reservoir water (7,247.4 Iliff Irrigation District acre-rights and <br />7.75 Morgan Prewitt acre-rights). <br />4. Remaining well depletions met by pumping augmentation wells (various Structure IDs, see <br />Tables 2 and 4). Lagged depletions from augmentation well pumping represent an additional <br />demand on the well augmentation plan (stored under plan ID 6402536_1 and 6402536_2). <br />A-37 ofA-106 <br />
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