2011-02-03_HYDROLOGY - M1982147

• Permit No: M1982147
• IBM Index Class Name: HYDROLOGY
• Doc Date: 2/3/2011
• Doc Name: Combined Replacement Plan
• From: OSE
• To: Applegate Group, Inc.
• Permit Index Doc Type: Hydrology Report
• Email Name: DB2
• Media Type: D
• Archive: No

Table No. 1 Applegate
Group, t.-
Lafarge West, Inc.
Combined South Platte River Substitute Water Supply Plan
Lagged Stream Depletions

Month Howe
Pit
Depletions
M-78-052
(ac-ft)
A Mann Lakes
Pit
Depletions
M-82-147
(ac-ft)
B Riverbend
West
Depletions
M-85-088
(acre-feet)
D Riverbend
East
Depletions
M-04-078
(ac-ft) Total

Depletions

(ac-ft)
E
Nov-10 1.17 0.44 0.86 6.60 9.07
Dec-10 0.62 0.00 0.78 5.92 733
Jan-11 1.72 0.00 0.71 5.39 7.82
Feb-11 2.01 0.00 0.65 5.20 7.86
Mar-11 2.06 0.00 0.61 5.81 8.47
Apr-11 2.42 0.00 0.60 7.33 10.35
May-11 2.52 0.00 0.65 8.90 12.07
Jun-11 2.55 0.00 0.72 10.33 13.60
Jul-11 2.56 0.00 0.80 11.60 14.96
Aug-11 2.57 0.00 0.87 12.18 15.62
Sep-11 2.58 0.00 0.92 11.98 15.48
Oct 11 2.24 0.00 0.93 10.63 13.79
Total 25.0 0.4 9.1 101.9 136.4
(A) Total lagged mining depletions which reflect existing steady state conditions at the Howe Pit.
(B) Total lagged mining depletions which reflect exsting steady state conditions at the Mann Lakes Pit.
(C) Total lagged mining depletions which reflect e)asbng steady state conditions at the Riverbend West Pit
(D) Total lagged mining depletions which reflect steady state conditions at the Riverbend East Pit
(E) Total depletions to the South Platte River, (A)+(B)+(C)+(D)
NA101081frp. SW S1%%SWSP.ISWh PW. C-W,.d=1 Ew".d W.W W R-W CU. h