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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 MAY 01


    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  750.53    19259
 1   750.52  750.51    19236      0        6   0.390       3   0.00  0.00
 2   750.50  750.48    19202      0        6   0.440       3   0.00  0.00
 3   750.48  750.45    19167      0        6   0.360       1   0.00  0.00
 4   750.44  750.49    19213      0        6   0.230      30   0.00  0.00
 5   750.53  750.52    19247      0        6   0.150      30   0.85  0.82

 6   750.53  751.71    20636      0        6   0.160     600   0.02  0.02
 7   751.81  751.70    20624      0       81   0.110      85   1.54  1.18
 8   751.62  751.41    20281      0      143   0.350      30   0.00  0.00
 9   751.29  751.09    19903      0      143   0.270      10   0.00  0.00
10   751.02  750.77    19534      0      143   0.460       5   0.00  0.09

11   750.73  750.69    19442      0       88   0.230      25   0.00  0.00
12   750.70  750.71    19465      0        6   0.050      20   1.36  1.09
13   750.69  750.70    19454      0        6   0.240      10   0.00  0.00
14   750.70  750.67    19419      0        6   0.330       5   0.00  0.00
15   750.67  750.64    19385      0        6   0.480       3   0.00  0.00

16   750.63  750.60    19339      0        6   0.430       1   0.00  0.00
17   750.62  750.57    19305      0        6   0.320       0   0.00  0.00
18   750.74  751.91    20872      0        6   0.170     800   1.59  1.52
19   751.95  751.99    20966      0        6   0.110      50   1.01  0.93
20   752.00  752.56    21657      0        6   0.160     350   0.00  0.01

21   752.76  752.71    21839      0      157   0.000     200   1.03  0.85
22   752.58  752.25    21281      0      284   0.180      15   0.18  0.17
23   752.09  751.72    20647      0      283   0.320       5   0.00  0.00
24   751.59  751.22    20057      0      281   0.390       5   0.00  0.00
25   751.05  750.88    19660      0      173   0.280       0   0.00  0.00

26   750.86  750.83    19602      0       20   0.270       0   0.00  0.00
27   750.82  750.94    19728      0       20   0.280      75   0.00  0.00
28   751.24  751.35    20210      0       20   0.160     250   1.28  1.32
29   751.36  751.46    20340      0       20   0.270     100   0.00  0.00
30   752.39  753.22    22466      0       21   0.030    1100   2.02  1.99
31   753.26  752.81    21961      0      289   0.110      60   0.00  0.00

TOTAL                             0     2250   7.730    3871  10.88  9.99
AVERAGE   751.28                  0       73             125 NORMAL= 5.00

MAXIMUM   753.26       22516   DATE=31    TOP CONSERVATION POOL    750.50
MINIMUM   750.44       19156   DATE= 4    TOP FLOOD POOL           774.00

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

                      INFLOW VOLUME=     7678 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION