2009-04-01_HYDROLOGY - M2004078

• Permit No: M2004078
• IBM Index Class Name: HYDROLOGY
• Doc Date: 4/1/2009
• Doc Name: Combined Replacement Plan
• From: OSE
• To: Applegate Group, Inc.
• Permit Index Doc Type: Hydrology Report
• Email Name: ECS
• Media Type: D
• Archive: No

Table No. 1 Updated
Lafarge West, Inc.
Combined South Platte River Substitute Water Supply Plan
Lagged Stream Depletions from Active South Platte Sites for November 2008 through October 2009
.Y Applegate
Group, I.C.

Month Howe
Pit
Depletions
M-78-052
(ac-ft)
(A) Lagged
Tanabe Pit
Depletions
M-00-002
(ac-ft)
B Lagged
Dunes Development
Depletions
M-99-093
(ac-ft)
(C) Mann Lakes
Pit
Depletions
M-82-147
(ac-ft)
(D) Ft. Lupton
Pit
Depletions
M-85-088
(ac-ft)
(E) Lagged
Lupton Lakes
Depletions
M-04-078
(acre-feet)
(F) -Lagged,
Stagecoach
Depletions
M-83-067
(acre-feet)
G Total

Depletions

(ac-ft)'
(H
Nov-08 1.74 0.07 0.18 1.51 1.10 11.93 0.40 16.93
Dec-08 0.93 0.06 0.16 .1.68 1.01 9(95 0.39 14.17
Jan-09 1.95 0.05 0.14 0.77 0.92 8.28 0.23 12.35
Feb-09 2.12 0.05 0.12 0.52 0.84 6.55 0.22 10.43
Mar-09 2.26 0.04 0.11 0.51 0.80 6.72 0.24 10.68
Apr-09 2.55 0.04 0.09 0.62 0.79 6.42 n/a 10.51
May-09 2.68 0.03 0.08 0.75 0.84 6.98 n/a: .: 11.36
Jun-09 2.65 0.03 0.07 0.94 0.93 7.38 n/a 12.00
Jul-09 2.70 0.02 0.06 1.02 1.03 8.44 n/a 13.27
Aug-09 2.69 0.02 0.06 0.97 1.11 8.84 n/a 13.68
Sep-09 2.66 0.02 0.05 0.85 1.17 8.36 n/a 13.10°
Oct-09 '2.36 0.04 0.42 0.69 1.17 7.91 n/a'-' ° :. 12.59
Total 27.3 0.5 1.5 10.8 11.7 97.8 1.5% 151.1
(A) Total lagged mining depletions which reflect real-time conditions at the Howe Pit.
(B) Total post lining depletions which reflect existing real-time conditions at the Tanabe Pit. Oct-09 represents Oct-09 to Dec-09 depletions.
(C) Total post lining depletions which reflect existing real-time conditions at the Dunes Development Site. Oct-09 represents the remainder of the depletions.
(D) Total lagged mining depletions which reflect existing steady state conditions at the Mann Lakes Pit.
(E) Total lagged mining depletions which reflect existing steady state conditions at the Fort Lupton Pit.
(F) Total lagged mining depletions which reflect real-time conditions at the Lupton Lakes Pit.
(G) Total lagged mining depletions which reflect real-time conditions at the Stagecoach Stop Property. Lafarge sold this property to Albert Frei & Sons in Feb-09.
(H) Total depletions to the South Platte River from the five sites, (A)+(B)+(C)+(D)+(E)+(F)+(G)
PrePe M: SWS
C 0Own .n SftrgsOtlc1-1 SMWgslTemporary ]Me Fi1u1CO .000WMffiIQ0U421SoWh PM, SWSP UPDATED WATER BALANCE x tlewaterhg 03 0309 August 2008