2022-12-19_HYDROLOGY - M2008082

• Permit No: M2008082
• IBM Index Class Name: Hydrology
• Doc Date: 12/19/2022
• Doc Name: Substitute Water Supply Plan
• From: Water Resources
• To: DRMS
• Email Name: ECS
• Email Name: MAC
• Media Type: D
• Archive: No

Morton Lakes Substitute Water Supply Plan Renewal Page 5 of 9
December 16, 2022
0 1,395 feet for Stage 5
0 8,557 feet for Stage 6A
0 8,680 feet for Stage 6B
0 9,164 feet for Stage 6C/6D
0 8,014 feet for Stage 6E
0 6,978 feet for Stage 7A
Normalized lagged factors were developed to determine the timing of lagged depletions to the stream as
summarized in the table below:
Depiction Lagging Factors
Stage 1 Depletion Stagt 2 Depletion Stage 6A Stage 6B Stage 6C/6D Stage 6E Stage 7A
Lagging Factors Lagging Factors Depletion Depletion Dcplclion Depletion Dcplcliun
Lagging Factors Lagging Factors Lagging Factors Lagging Factors Lagging Factors
Lagging Lagging Lagging Lagging i Lagging Lagging
Month Factor Month Factor Month Month Month Factor Factor Month Factor Month Factor
1 0.8590 1 04685 1 1 1 0.2986 1 0,6541 1 0 A 5 3 5 1 0.8274
2 0.1040 2 0.2647 2 2 2 0.2921 2 0.2023 2 0.2701 2 0.0610
3 0.0196 3 0.0712 3 3 3 0.0992 3 0.0449 3 0.0736 0.0318
4 00108 4 0.0401 4 4 4 0.0542 4 0.0242 4 i 0.0334 4 0.0203
5 0.0077 5 0.0292 5 5 5 0.0369 5 0.0168 5 0.0279 5 0.0165
6 0.0238 6 6 6 0.0287 6 0,0134 6 I 0,0221 (, 0.0132
7 0.0202 7 7 7 0.0240 7 0.0114 7 0.0187 7 0.0117
8 0,0174 8 8 8 0.0210 8 0.0099 8 0.0163 8 0.0100
9 0.0150 9 9 9 0.0187 9 0.0096 9 0.0144 9 0.0082
10 0.0130 10 10 10 0.0168 10 0.0077 10 0.0127
11 0,0113 11 11 11 0.0151 11 0.0067 11 i 0.0114
12 0.0097 12 0.0109 12 0.0137 12 0.0101
13 0.0085 13 0.0099 13 0.0124 13 j 0.0089
14 0,0073 14 0.0089 14 0.0112 14 i 0.0080
15 0.0080 15 0.0101 15 0.0070
16 0.0072 16 0.0092 16 1 0.0063
17 0.0065 17 0.0083 17 0.0056
18 0.0059 18 0.0075
19 0.0053 19 0.0068
I
20 0.0061
21 0.0056
22 0.0050
10CAL 1.0000 rnra.L 1.0000 TOTAL 1.0000 TOTAL 1.0000 TOTAL. 1.0000 TOTAL 1.0000 TOTAL 1.0000
The total projected lagged depletions from mining operations are 292.36 acre-feet during 2023 as shown
in Table 2, Column 10. For purposes of this SWSP depletions are assumed to accrue to a point on the South
Platte River located 1,885 feet from the West Section line and 1,600 feet from the South Section line in
Section 6, Township 1 North, Range 66 West, 6th P.M.
Replacements
The proposed source of replacement water for this SWSP is fully consumable water leased from the City of
Aurora ("Aurora"). The Applicant provided a copy of the lease extension agreement with Aurora renewable
through December 31, 2023 with the SWSP request, and a copy of the lease is attached to this letter. Water
leased from Aurora would be released from the Robert W. Hite Treatment Facility (a.k.a. Metro
Wastewater Treatment Plant (MWWTP)) (WDID 0200700) in the SW'/a of the SW'/a of Section 1, Township 3
South, Range 68 West of the 6th P.M. A transit loss of 0.5% per mile is currently assessed from April through
October and a transit loss of 0.25% per mile is currently assessed during November through March for