CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   WEDNESDAY 13 DEC 2017
                ______________________________________________________________
               |                    |                    |                    |
               |  BULL SHOALS       |  NORFORK           |   CALICO ROCK      |
               |  (tailwater, avg.) |  (tailwater, avg)  |   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    |
               |--------------------|-------------|------|--------------------|
     12DEC 0600|  9.0 | 56.4 |  2959| 10.2 | 54.7 |   116|  52.4   |    3025  |
     12DEC 1200|  9.1 | 57.0 |  6474|  7.3 |      |  6445|  51.4   |    2649  |
     12DEC 1800|  8.7 | 56.7 | 10222|  7.5 | 55.9 |   525|  53.6   |    7210  |
     12DEC 2400|  9.2 | 55.5 |   863|  9.8 | 54.5 |   300|  53.3   |    3074  |
     13DEC 0600|  9.4 | 55.1 |   880|  7.5 | 55.7 |   513|  50.9   |    6934  |
               |      |      |      |      |      |      |         |          |
         MAX   |  9.9 | 57.0 |      | 10.6 | 56.1 |      |   54.2  |          |
          time | 1500 | 1200 |      | 1600 | 1100 |      |   2000  |          |
          date |12DEC |12DEC |      |12DEC |12DEC |      |  12DEC  |          |
  release @ max|  3276|  6474|      |   299|  6428|      |    2780 |          |
               |      |      |      |      |      |      |         |          |
         MIN   |  8.2 | 54.9 |      |  7.2 | 53.9 |      |   50.9  |          |
          time | 0800 | 0300 |      | 1300 | 0500 |      |   0600  |          |
          date |12DEC |13DEC |      |12DEC |13DEC |      |  13DEC  |          |
  release @ min| 10324|   867|      |  6471|   116|      |    7408 |          |
  _____________|______|______|______|______|______|______|_________|__________|
 
  LAKE PROFILES
 
      BULL SHOALS 28Nov17       NORFORK 29Nov17
        elev = 653.8             elev = 551.8
      DEPTH  D.O.   TEMP        DEPTH  D.O.   TEMP
      feet   mg/l   deg F       feet   mg/l   deg F
      -----  -----  -----       -----  -----  -----
       0.5    6.72  60.39         0.5  4.97  59.36
      20.0    6.34  59.85        20.0  4.94  59.31
      40.0    6.49  59.83        40.0  4.96  59.29
      60.0    6.59  59.81        60.0  4.89  59.31
      80.0    6.12  59.70        80.0  4.63  59.32
     100.0    5.35  59.58       100.0  4.59  59.18
     120.0    2.81  59.29       120.0  4.30  58.96
     140.0    0.32  58.57*      130.0  4.30  58.77<
     150.0    0.30  56.28<      140.0  2.94  58.57*
     160.0    0.31  53.55<      150.0  0.29  56.82<
     172.5    0.33  50.79       158.7  0.28  54.72
 
     I.D.O. = 4.34 mg/l         I.D.O. = 4.56 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Bull Shoals vents blocked open 31 July.  Bull Shoals max gen of 81%
  nameplate as of 11 December.  Norfork no RMGR as of 11 December.
  Norfork vents closed 12 December.