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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 MAY 04


    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  752.34    21390
 1   752.42  752.39    21451      0       75   0.150     110   0.51  0.57
 2   752.38  752.28    21318      0       75   0.160      20   0.00  0.00
 3   752.25  752.16    21172      0       75   0.220      10   0.00  0.00
 4   752.10  752.03    21014      0       75   0.280      10   0.00  0.00
 5   751.99  751.89    20848      0       75   0.320       9   0.00  0.00

 6   751.84  751.77    20706      0       75   0.390       8   0.00  0.00
 7   751.73  751.64    20553      0       75   0.380       8   0.00  0.00
 8   751.60  751.50    20388      0       74   0.300       8   0.00  0.00
 9   751.46  751.38    20246      0       74   0.340       7   0.00  0.00
10   751.32  751.24    20080      0       74   0.330       5   0.00  0.00

11   751.20  751.11    19927      0       74   0.270       5   0.00  0.00
12   751.05  750.96    19751      0       74   0.280       5   0.00  0.00
13   750.93  753.07    22278      0       51   0.110    1300   0.33  0.28
14   753.19  753.27    22528      0        0   0.000     130   4.37  3.67
15   753.29  753.31    22578      0        0   0.070      40   0.01  0.04

16   753.33  753.34    22616      0        0   0.240      15   0.00  0.00
17   753.33  753.25    22503      0       48   0.280      10   0.00  0.00
18   753.17  753.03    22229      0      139   0.310       5   0.00  0.00
19   752.93  752.80    21948      0      139   0.200       5   0.00  0.00
20   752.71  752.53    21621      0      139   0.410       5   0.00  0.00

21   752.46  752.29    21330      0      138   0.420       5   0.00  0.00
22   752.20  752.05    21039      0      138   0.400       3   0.00  0.00
23   751.95  751.78    20718      0      138   0.290       1   0.00  0.00
24   751.71  751.54    20435      0      138   0.280       1   0.00  0.00
25   751.45  751.27    20116      0      137   0.280       1   0.00  0.01

26   751.20  751.05    19856      0      137   0.020       1   0.00  0.00
27   750.95  750.92    19705      0       86   0.130      20   0.15  0.27
28   750.92  750.89    19671      0       34   0.200      20   0.00  0.00
29   750.88  750.84    19614      0       34   0.360      15   0.00  0.00
30   750.85  750.81    19579      0       34   0.290      10   0.00  0.00
31   750.79  750.75    19511      0       34   0.320      10   0.00  0.00

TOTAL                             0     2461   8.030    1802   5.37  4.84
AVERAGE   751.91                  0       79              58 NORMAL= 5.00

MAXIMUM   753.35       22628   DATE=17    TOP CONSERVATION POOL    750.50
MINIMUM   750.75       19511   DATE=31    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=     3574 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION