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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 APR 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  751.39    20258
 1   751.31  751.20    20033      0      112   0.170      15   0.00  0.00
 2   751.18  751.10    19915      0       74   0.190      15   0.00  0.00
 3   751.07  750.99    19786      0       74   0.240      15   0.00  0.00
 4   750.95  750.88    19660      0       74   0.250      10   0.00  0.00
 5   750.83  750.75    19511      0       74   0.210      10   0.00  0.00

 6   750.72  750.63    19373      0       74   0.180      10   0.00  0.00
 7   750.60  750.59    19328      0       36   0.140      10   0.00  0.00
 8   750.58  750.57    19305      0        6   0.140      10   0.00  0.00
 9   750.55  750.58    19316      0        6   0.250      10   0.00  0.00
10   750.61  750.73    19488      0        6   0.030      90   0.75  0.63

11   750.75  750.74    19499      0        6   0.030      20   0.19  0.19
12   750.75  750.76    19522      0        6   0.200      15   0.00  0.00
13   750.76  750.73    19488      0        6   0.190      15   0.00  0.00
14   750.74  750.72    19476      0        6   0.120      10   0.00  0.00
15   750.71  750.70    19454      0        6   0.360       7   0.00  0.00

16   750.70  750.72    19476      0        6   0.350       5   0.00  0.00
17   750.71  750.70    19454      0        6   0.370       5   0.00  0.00
18   750.68  750.69    19442      0        6   0.330       5   0.00  0.00
19   750.67  750.65    19396      0        6   0.200       5   0.00  0.14
20   750.69  751.15    19974      0        6   0.100     300   0.30  0.22

21   751.29  751.36    20222      0        6   0.120     140   0.78  0.68
22   751.72  752.11    21111      0        6   0.230     450   0.74  0.71
23   752.25  752.45    21524      0        6   0.070     220   0.32  0.45
24   752.54  752.67    21791      0        6   0.020     140   0.26  0.38
25   752.70  752.73    21863      0        6   0.050      50   0.00  0.00

26   752.74  752.73    21863      0        6   0.230      30   0.00  0.00
27   752.74  752.68    21803      0       51   0.240      20   0.00  0.00
28   752.64  752.56    21657      0       75   0.370      15   0.00  0.00
29   752.53  752.43    21500      0       75   0.400      10   0.03  0.04
30   752.39  752.34    21390      0       75   0.120      20   0.00  0.00

TOTAL                             0      900   5.900    1677   3.37  3.44
AVERAGE   751.32                  0       30              56 NORMAL= 3.34

MAXIMUM   752.76       21900   DATE=26    TOP CONSERVATION POOL    750.50
MINIMUM   750.55       19282   DATE= 9    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=     3326 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION