CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   FRIDAY    20 NOV 2009
                ______________________________________________________________
               |                    |                    |                    |
               |  BULL SHOALS       |  NORFORK           |   CALICO ROCK      |
               |  (tailwater, avg.) |  (tailwater)       |   TEMP & FLOW      |
               |____________________|____________________|____________________|
               | D.O. | TEMP | REL  | D.O. | TEMP | REL  |  TEMP   |  FLOW    |
               |------|------|------|------|------|------|--------------------|
               | mg/l |deg F | cfs  | mg/l |deg F | cfs  |  deg F  |   cfs    |
               |--------------------|-------------|------|--------------------|
     19NOV 0600|  7.1 | 57.2 |  9690|  3.6 | 57.6 |   292|  55.2   |    9405  |
     19NOV 1200|  8.2 | 58.0 |  9750|  5.9 | 57.9 |   412|  55.6   |   10699  |
     19NOV 1800|  5.9 | 57.4 | 12084|  4.4 | 58.2 |  4228|  57.2   |    9904  |
     19NOV 2400|  6.6 | 57.0 | 10566|  3.5 | 57.7 |   276|  56.1   |   11110  |
     20NOV 0600| ?UND | ?UND |  9780|      |      |      |  56.5   |    9405  |
               |      |      |      |      |      |      |         |          |
         MAX   |  8.2 | 58.0 |      |  6.4 | 58.2 |      |   57.4  |          |
          time | 1200 | 1300 |      | 1100 | 1100 |      |   1900  |          |
          date |19NOV |19NOV |      |19NOV |19NOV |      |  19NOV  |          |
  release @ max|  9750|  9690|      |  2616|  2616|      |    9692 |          |
               |      |      |      |      |      |      |         |          |
         MIN   |  5.5 | 57.2 |      |  3.0 | 57.6 |      |   54.7  |          |
          time | 2000 | 2300 |      | 0400 | 0600 |      |   0800  |          |
          date |19NOV |19NOV |      |20NOV |19NOV |      |  19NOV  |          |
  release @ min| 12183| 10599|      |   248|   292|      |    9405 |          |
  _____________|______|______|______|______|______|______|_________|__________|
 
  LAKE PROFILES
 
      BULL SHOALS 10NOV09         NORFORK 10NOV09
         elev = 678.49             elev = 560.26
      DEPTH  D.O.   TEMP        DEPTH  D.O.   TEMP
      feet   mg/l   deg C       feet   mg/l   deg C
      -----  -----  -----       -----  -----  -----
       0.8   7.29   17.27         0.6   8.41  16.87
      20.1   6.98   16.82        20.1   8.26  16.89
      50.1   6.13   16.65        40.0   6.74  16.71
      70.2   5.42   16.50        60.2   6.24  16.66
      90.1   1.51   15.68        70.1   1.93  16.08
     110.1   3.51   15.17        90.2   5.01  15.77
     130.0<  0.54   14.67       110.1   0.48  15.50
     140.1<* 0.67   14.10       120.1<* 0.28  14.89
     150.1   0.23   13.40       130.1<  0.24  13.52
     170.0   0.15   11.72       150.0   0.21  11.98
     190.1   0.13    9.82       160.1   0.18  11.53
     198.3   0.14    9.26       173.8   0.14  11.07
 
 
      I.D.O. =  1.19mg/l        I.D.O. =  1.72mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Vents at Bull Shoals opened 26Aug09
  Max generation at Norfork Dam is 66 mw (83% nameplate)