2010-06-04_HYDROLOGY - M1985218

• Permit No: M1985218
• IBM Index Class Name: HYDROLOGY
• Doc Date: 6/4/2010
• Doc Name: Substitute Water Supply Plan
• From: OSE
• To: Applegate Group, Inc.
• Permit Index Doc Type: Hydrology Report
• Email Name: BMK
• Media Type: D
• Archive: No

Stream Depletion Analysis Using Stream Depletion Factors
Lafarge West, Inc.
Rich Pit, M-85-218
Mining Stream Depletions - 2/23/10
Freshwater Pond at Old Aggregate Sales Area Unused Wash Pond
Applegate
Stream Depletion Factor = 7.3 days Itoup...
Consumed Cumulative Cumulative Volume of Volume of
Cumulative Volume Volume Volume of Depletion Stream
Time Month Pumped Pumped Depletion This Step Depletions
(months) ac-ft ac-ft) (ac-ft (ac-ft ac-ft)
1 Apr-O1 5.87 5.868 3.264 3.2641
2 May-01 7.67 13.541 8.811 5.5469
3 Jun-Ol 9.76 23.303 16.216 7.4046
4 Jul-01 9.52 32.823 24.193 7.9770
5 Aug-01 8.19 41.018 31.638 7.4454 Year 1
6 Sep-01 6.78 47.802 38.158 6.5197
7 Oct-01 4.62 52.424 43.206 5.0485 56.64
8 Nov-01 2.50 54.927 46.579 3.3724
9 Dec-01 1.93 56.862 49.066 2.4874
10 Jan-02 1.99 58.850 51.305 2.2394
11 Feb-02 2.38 61.227 53.664 2.3586
12 Mar-02 3.44 64.664 56.638 2.9736
13 Apr-02 5.87 70.533 61.175 4.5375
14 May-02 7.67 78.205 67.284 6.1087
15 Jun-02 9.76 87.967 75.089 7.8049
16 Jul-02 9.52 97.487 83.382 8.2929
17 Aug-02 8.19 105.682 91.089 7.7070 Year 2
18 Sep-02 6.78 112.466 97.832 6.7429
19 Oct-02 4.62 117.089 103.074 5.2427 60.57
20 Nov-02 2.50 119.592 106.618 3.5439
21 Dec-02 1.93 121.526 109.259 2.6407
22 Jan-03 1.99 123.515 111.636 2.3776
23 Feb-03 2.38 125.891 114.121 2.4841
24 Mar-03 3.44 129.329 117.209 3.0885
25 Apr-03 5.87 135.197 121.852 4.6432
26 May-03 7.67 142.870 128.059 6.2063
27 Jun-03 9.76 152.632 135.954 7.8955
28 Jul-03 9.52 162.152 144.331 8.3773
29 Aug-03 8.19 170.347 152.117 7.7859 Year 3
30 Sep-03 6.78 177.131 158.934 6.8169
31 Oct-03 4.62 181.753 164.246 5.3122 61.47
32 Nov-03 2.50 184.256 167.856 3.6095
33 Dec-03 1.93 186.191 170.558 2.7026
34 Jan-04 1.99 188.179 172.995 2.4363
35 Feb-04 2.38 190.555 175.534 2.5398
36 Mar-04 3.44 193.993 178.676 3.1414
37 Apr-04 5.77 199.764 183.315 4.6392
38 May-04 7.68 207.447 189.554 6.2391
39 Jun-04 9.84 217.285 197.535 7.9809
40 Jul-04 9.50 226.784 205.959 8.4235
41 Aug-04 8.22 235.000 213.796 7.8378 Year 4
42 Sep-04 6.84 241.839 220.688 6.8920
43 Oct-04 4.61 246.450 226.046 5.3578 62.00
44 Nov-04 2.54 248.986 229.712 3.6657
45 Dec-04 1.96 250.942 232.471 2.7588
46 Jan-05 1.99 252.931 234.949 2.4780
47 Feb-05 2.40 255.328 237.536 2.5877
48 Mar-05 3.37 258.701 240.680 3.1436
Total Post Plan Depletions:
25.99
Rich Pit Unused Wash Pond
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