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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 MAY 02


    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  751.56    20458
 1   751.51  751.38    20246      0      105   0.060      10   0.00  0.00
 2   751.34  751.21    20045      0      105   0.310       9   0.00  0.00
 3   751.15  751.02    19821      0      104   0.160       8   0.00  0.00
 4   750.94  750.83    19602      0      104   0.060       7   0.00  0.00
 5   750.77  750.69    19442      0      104   0.170       6   0.00  0.00

 6   751.11  751.15    19974      0      104   0.440     380   0.97  0.77
 7   751.10  750.99    19786      0      104   0.240      20   0.00  0.00
 8   750.95  750.84    19614      0      104   0.260      25   0.00  0.15
 9   751.75  751.81    20754      0      105   0.180     700   1.36  1.34
10   751.78  751.66    20576      0      105   0.350      20   0.00  0.00

11   751.61  751.51    20399      0      105   0.130      20   0.01  0.04
12   751.46  751.38    20246      0      105   0.180      25   0.00  0.00
13   751.30  751.18    20010      0      104   0.020      15   0.07  0.12
14   751.13  751.06    19868      0       64   0.280      10   0.00  0.00
15   751.01  750.98    19774      0       36   0.340       9   0.00  0.00

16   750.93  750.93    19717      0       36   0.260       8   0.00  0.01
17   751.32  752.55    21645      0       17   0.050     950   1.52  1.43
18   752.60  752.52    21609      0       62   0.170      45   0.02  0.02
19   752.43  752.27    21306      0      141   0.240      25   0.00  0.00
20   752.20  752.03    21014      0      140   0.220      15   0.02  0.02

21   751.92  751.78    20718      0      140   0.140      10   0.01  0.02
22   751.67  751.48    20364      0      139   0.320       9   0.00  0.00
23   751.42  751.38    20246      0      139   0.260      50   0.00  0.00
24   751.50  751.25    20092      0      139   0.110      60   1.34  1.18
25   751.20  751.06    19868      0      139   0.090      30   0.22  0.23

26   750.98  750.83    19602      0      138   0.140      15   0.01  0.01
27   750.77  750.63    19373      0      138   0.300      20   0.47  0.45
28   750.56  751.30    20151      0      100   0.170     460   0.00  0.00
29   751.29  751.26    20104      0       70   0.050      55   1.62  1.29
30   751.23  751.16    19986      0       70   0.270      20   0.00  0.00
31   751.12  751.04    19844      0       70   0.310      10   0.00  0.00

TOTAL                             0     3135   6.280    3046   7.64  7.08
AVERAGE   751.33                  0      101              98 NORMAL= 5.00

MAXIMUM   752.61       21718   DATE=18    TOP CONSERVATION POOL    750.50
MINIMUM   750.54       19270   DATE=28    TOP FLOOD POOL           774.00

WATER SUPPLY:  WITHDRAWN      0 AC-FT, RELEASED      0 AC-FT

                      INFLOW VOLUME=     6042 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION