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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 JUL 07


    POOL ELEVATIONS  STORAGE     RELEASES       EVAP  INFLOW   RAINFALL
DAY      FT-NGVD     2400HR         DSF        INCHES   ADJ     INCHES
      0800    2400    AC-FT   POWER    TOTAL  8A TO 8A  DSF    7A TO  7A
                                                               DAM   BSN
PRIOR MONTH  758.07    28891
 1   758.18  758.47    29471      0        1   0.100     300   0.09  0.13
 2   758.56  758.60    29660      0        0   0.150     100   0.03  0.06
 3   758.62  758.66    29747      0        1   0.170      50   0.04  0.04
 4   758.66  758.67    29762      0        1   0.140      20   0.00  0.00
 5   758.68  758.75    29878      0        1   0.230      80   0.00  0.00

 6   758.80  758.78    29922      0        1   0.460      40   0.00  0.03
 7   758.77  758.76    29893      0        1   0.340      20   0.00  0.00
 8   758.75  758.75    29878      0        1   0.350      10   0.00  0.00
 9   758.74  758.85    30023      0        0   0.360      80   0.00  0.00
10   759.15  759.24    30604      0        1   0.220     300   0.95  1.03

11   759.25  759.26    30634      0        1   0.190      25   0.04  0.03
12   759.26  760.17    32020      0        1   0.220     700   0.00  0.04
13   760.22  760.25    32146      0        1   0.130      70   1.33  1.10
14   760.26  760.26    32162      0        1   0.200      20   0.00  0.00
15   760.27  760.27    32178      0        1   0.320      20   0.00  0.00

16   760.26  760.26    32162      0        0   0.310      10   0.00  0.00
17   760.25  760.21    32083      0       27   0.290       5   0.00  0.00
18   760.18  760.13    31957      0       74   0.350       5   0.00  0.00
19   760.09  760.03    31799      0       74   0.320       5   0.00  0.00
20   760.01  759.88    31571      0       36   0.290       5   0.00  0.00

21   759.82  759.68    31268      0        0   0.310       5   0.00  0.00
22   759.61  759.47    30951      0        0   0.220       5   0.00  0.00
23   759.41  759.32    30725      0       73   0.260       5   0.01  0.01
24   759.26  759.13    30437      0      146   0.120       5   0.02  0.01
25   759.04  758.90    30096      0      146   0.260       5   0.00  0.00

26   758.85  758.69    29791      0      146   0.290       5   0.00  0.00
27   758.63  758.47    29471      0      146   0.280       5   0.00  0.00
28   758.41  758.27    29181      0      146   0.300       5   0.00  0.00
29   758.19  758.05    28862      0      145   0.330       5   0.00  0.00
30   757.99  757.84    28566      0      145   0.200       5   0.01  0.52
31   757.78  757.63    28273      0      145   0.250       5   0.00  0.00

TOTAL                             0     1461   7.960    1920   2.52  3.00
AVERAGE   759.15                  0       47              62 NORMAL= 2.98

MAXIMUM   760.28       32194   DATE=15    TOP CONSERVATION POOL    750.50
MINIMUM   757.63       28273   DATE=31    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=     3808 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION