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Ready Mix Concrete Substitute Water Supply Plan <br /> February 13, 2020 <br /> Page 6 of 10 <br /> Dq.Adiva La-u-IIg Factors <br /> Stage�rA �1 a�4,�,11« Singe����D <br /> Staff 1 Depletion Stage Z Depletion w�+ 4 1��•1 krfi kn Singe 5 Deplef itra <br /> Depletion 1��e�I�tipn ���l�ti�n <br /> Lagging Fa�i:or� Lagging Facto" Lagging F��t#r� L�,F{�9 rt Factors l., I"�iW LOr� L� i Factors <br /> Lagging Fac lors <br /> Lagging 1,�""ltt" Lago.i leg I.agg Ong La`J gTging i 1..aggin 1.agging <br /> N-1011th Filck3r Month Factor Man Ili Fayfor Month FUQ(QI Factor Month Factor Month Fiictor <br /> 1 0-85 0 1 0-468 5 1 0-5241 1 0.2986 1 0.521.41 1 ? 0.6817 1 0. 756 <br /> 2 0.1€140 2 0.2647 2 0.2484 x 0.2921 1�,24 2 0.1912 0.1244 <br /> 3 0.0712 3 0_06 3 J 0_0982 _; 0.1k][1'1 3 � 0.0414 <br /> 4 0.0108 4 0.0401 4 0.0333 4 G.0 4/2, 4 4 0.0217 <br /> f�_(f�r r ?_fly+ 1_ 0r�3, 0.0 14? <br /> 6 0,0238 6 U-0176 6 0_0287 6 0_W 76 6 i o.0 106 <br /> (01 so 9 (1_0114 9 0.C.I S 9 0,0114 9 0,�1 x� (; <br /> 10 0 0130 10 0-0102 1G (0168 10 0,0102 10 0 0.0€(,0 <br /> i <br /> 0,0 1 13 11 11.0091 11 0.0151 11 0.0091 1,1 ' 0.0055 <br /> 12 ( 0097 12 0-001,42 12 0.0137 12 0,00-32 12 0.0041) <br /> 0.0085 13 0.0073 I; 0A 124 13 o.0073 1 <br /> 14 0.0073 14 0A066 14 O.O112 14 0.0066 <br /> 17 OM 3 <br /> 18 0_0059 18 0,00171 <br /> 19 0-005 3 19 6-006 1 <br /> 20 0.0o(71 <br /> 22 0,0050 <br /> TO TA 1 1.0000 TOTA I 1-0000 TOTAL 1-iMO TOTA L t.00 0 TOT..%L I_{1[w TOT"1 1J Y(IIIII f0TA I <br /> The mine site total projected lagged depletions are shown in Table 2, column 12 and <br /> totals 197.9 acre-feet over the SWSP period, including the refill of Stage 1 and accrue to a <br /> point on the South Platte River located 1885 feet from the West Section line and 1600 feet <br /> from the South Section line in Section 6, Township 1 North, Range 66 West, Sixth P.M. <br /> Replacements <br /> The proposed source of replacement water for this SWSP is fully consumable water leased <br /> from the City of Aurora ("Aurora"). The Applicant provided a copy of the lease extension <br /> agreement with Aurora for 2020 with the SWSP request, and a copy of the lease is <br /> attached to this letter. Water leased from Aurora would be released from the Robert W. <br /> Hite Treatment Facility (a/k/a Metro Wastewater Treatment Plant (MWWTP)) (WDID <br /> 0200700) in the SW1/4 of the SW1/4 of Section 1, Township 3 South, Range 68 West of the <br /> 6t" P.M. A transit loss of 0.5 percent per mile is currently assessed from April through <br /> September and a transit loss of 0.25 percent per mile is currently assessed during October <br /> through March for delivery of water down the South Platte River. Such transit losses are <br /> subject to modification by the division engineer. The MWWTP is located approximately 25 <br /> miles upstream of the confluence of the South Platte River and Big Dry Creek where the <br /> mining depletions will accrue to the river, therefore the total transit loss will be 12.5 <br /> percent during the irrigation season and 6.25 percent during the non-irrigation season. <br /> Replacement supplies from Aurora include transit loss, so all Morton Lakes and Holton <br /> Lakes depletions are fully replaced at the point of depletions through December 31, 2020 <br /> (Table 3). <br />