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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 APR 99


    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  750.55    19282
 1   750.54  750.54    19270      0        6   0.240      10   0.00  0.00
 2   750.53  750.54    19270      0        6   0.280      10   0.00  0.00
 3   750.59  750.61    19350      0        6   0.160      50   0.10  0.24
 4   750.59  750.61    19350      0        6   0.080      15   0.00  0.00
 5   750.61  750.59    19328      0        6   0.300      15   0.12  0.12

 6   750.60  750.60    19339      0        6   0.310      15   0.00  0.00
 7   750.59  750.57    19305      0        6   0.300      10   0.00  0.00
 8   750.59  750.62    19362      0        6   0.300      10   0.00  0.00
 9   750.59  750.56    19293      0        6   0.370       5   0.00  0.00
10   750.58  750.56    19293      0        6   0.300       5   0.00  0.00

11   750.53  750.53    19259      0        6   0.380       5   0.00  0.00
12   750.51  750.51    19236      0        6   0.270       5   0.00  0.00
13   750.51  750.57    19305      0        6   0.320      50   0.00  0.00
14   750.58  750.75    19511      0        6   0.110     110   1.18  1.14
15   750.77  750.77    19534      0        6   0.060      20   0.07  0.08

16   750.77  750.75    19511      0        6   0.320       5   0.00  0.00
17   750.76  750.74    19499      0        6   0.120       5   0.00  0.00
18   750.75  750.73    19488      0        6   0.140       5   0.00  0.00
19   750.73  750.71    19465      0        6   0.300       5   0.00  0.00
20   750.71  750.72    19476      0        6   0.370       5   0.00  0.00

21   750.72  750.75    19511      0        6   0.380      50   0.00  0.00
22   751.31  751.53    20423      0        6   0.260     480   1.59  1.37
23   751.55  751.58    20482      0        6   0.250      40   0.00  0.01
24   751.57  751.97    20943      0        6   0.050     240   0.01  0.03
25   754.22  761.12    33526      0        6   0.070    6350   2.03  2.46

26   761.25  762.38    35612      0        7   0.020    1060   2.62  2.24
27   762.52  762.62    36017      0        7   0.070     220   0.31  0.55
28   762.68  762.33    35527      0      304   0.250      60   0.00  0.00
29   762.14  761.72    34510      0      527   0.160      30   0.00  0.00
30   761.50  761.10    33493      0      527   0.140      30   0.00  0.00

TOTAL                             0     1511   6.680    8920   8.03  8.24
AVERAGE   752.99                  0       50             297 NORMAL= 3.34

MAXIMUM   762.68       36119   DATE=28    TOP CONSERVATION POOL    750.50
MINIMUM   750.49       19213   DATE=12    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=    17693 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION