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                                   Birch Lake
                          MONTHLY LAKE REPORT
                                 APR 97


    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  750.69    19442
 1   750.69  750.66    19408      0        7   0.350       4   0.00  0.00
 2   750.67  750.65    19396      0        7   0.260       4   0.00  0.00
 3   750.64  750.64    19385      0        7   0.260      10   0.00  0.00
 4   750.62  750.64    19385      0        7   0.270      15   0.09  0.04
 5   750.66  750.69    19442      0        7   0.230      45   0.23  0.53

 6   750.68  750.66    19408      0        7   0.240      15   0.00  0.00
 7   750.66  750.63    19373      0        7   0.240       0   0.00  0.00
 8   750.64  752.58    21682      0        7   0.210    1100   0.16  0.27
 9   752.72  752.59    21694      0      164   0.010     150   1.48  1.32
10   752.45  751.67    20588      0      535   0.080      50   0.00  0.00

11   752.26  754.44    24004      0      265   0.050    1850   1.33  1.39
12   754.50  754.58    24183      0        0   0.030     100   0.17  0.15
13   754.61  754.20    23696      0      258   0.090      20   0.00  0.00
14   753.92  753.01    22204      0      701   0.190      10   0.00  0.00
15   752.66  751.78    20718      0      690   0.280      10   0.00  0.00

16   751.48  750.93    19717      0      460   0.350      10   0.00  0.09
17   750.77  750.58    19316      0      191   0.170      10   0.00  0.08
18   750.59  750.59    19328      0        7   0.250      10   0.00  0.00
19   750.58  750.60    19339      0        7   0.400       5   0.00  0.00
20   750.58  750.59    19328      0        7   0.320       5   0.00  0.00

21   750.57  750.56    19293      0        7   0.350       5   0.00  0.00
22   750.57  750.55    19282      0        7   0.180       5   0.07  0.08
23   750.57  750.54    19270      0        7   0.300       5   0.01  0.00
24   750.55  750.53    19259      0        7   0.110       5   0.00  0.00
25   750.53  750.52    19247      0        7   0.040       5   0.05  0.05

26   750.52  750.51    19236      0        7   0.060       4   0.00  0.04
27   750.52  750.50    19225      0        7   0.100       4   0.15  0.08
28   750.50  750.48    19202      0        7   0.270       4   0.00  0.00
29   750.46  750.47    19190      0        7   0.290       4   0.00  0.00
30   750.48  750.43    19144      0        7   0.340       4   0.00  0.00

TOTAL                             0     3406   6.320    3468   3.74  4.12
AVERAGE   751.26                  0      114             116 NORMAL= 3.34

MAXIMUM   754.63       24247   DATE=13    TOP CONSERVATION POOL    750.50
MINIMUM   750.43       19144   DATE=30    TOP FLOOD POOL           774.00

                      INFLOW VOLUME=     6879 AC-FT



REPORT IS SUBJECT TO CHANGE AND/OR REVISION