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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 APR 09


    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  756.05    26106
 1   755.93  755.64    25564      0      290   0.230      50   0.00  0.00
 2   755.53  755.24    25037      0      288   0.280      24   0.00  0.00
 3   755.11  754.80    24465      0      287   0.030      10   0.09  0.08
 4   754.65  754.35    23888      0      286   0.280       5   0.00  0.00
 5   754.22  753.87    23278      0      284   0.340       5   0.00  0.00

 6   753.69  753.37    22653      0      283   0.090       1   0.00  0.00
 7   753.21  752.87    22033      0      281   0.210       0   0.00  0.00
 8   752.72  752.38    21439      0      280   0.240       0   0.00  0.00
 9   752.20  751.93    20895      0      278   0.280       5   0.00  0.00
10   751.75  751.50    20388      0      204   0.190       1   0.14  0.15

11   751.40  751.20    20033      0      138   0.090      50   0.00  0.00
12   751.19  752.00    20978      0      138   0.250     400   0.64  0.63
13   752.23  752.06    21051      0      216   0.000     200   0.64  0.74
14   751.94  751.62    20529      0      278   0.030      50   0.00  0.00
15   751.46  751.13    19951      0      276   0.220      10   0.00  0.00

16   750.97  750.83    19602      0      172   0.220       5   0.00  0.00
17   750.83  750.83    19602      0        1   0.250       3   0.00  0.00
18   750.96  751.90    20860      0        0   0.080     600   0.77  0.72
19   752.82  753.13    22353      0        1   0.010     750   1.05  0.78
20   753.20  753.15    22378      0       65   0.090      80   0.00  0.06

21   753.11  753.00    22191      0      140   0.280      50   0.00  0.00
22   752.94  752.81    21961      0      140   0.280      40   0.00  0.00
23   752.75  752.61    21718      0      140   0.390      30   0.00  0.00
24   752.53  752.44    21512      0      140   0.440      20   0.00  0.00
25   752.35  752.19    21208      0      139   0.410      10   0.00  0.00

26   752.14  752.07    21063      0      139   0.240      50   0.00  0.01
27   752.03  752.74    21876      0      139   0.180     550   0.52  0.61
28   752.79  752.74    21876      0      140   0.070     140   0.89  0.60
29   752.70  753.60    22940      0      140   0.050     670   0.00  0.00
30   753.66  755.27    25077      0      141   0.010    1220   0.68  0.70

TOTAL                             0     5446   5.760    5029   5.42  5.08
AVERAGE   752.78                  0      182             168 NORMAL= 3.34

MAXIMUM   756.05       26106   DATE= 1    TOP CONSERVATION POOL    750.50
MINIMUM   750.81       19579   DATE=16    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=     9975 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION