CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   FRIDAY    19 OCT 2018
                ______________________________________________________________
               |                    |                    |                    |
               |  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    |
               |--------------------|-------------|------|--------------------|
     18OCT 0600|  7.1 | 54.4 |  2990|  8.4 | 59.2 |   300|  57.6   |    6773  |
     18OCT 1200|  8.4 | 55.2 |  2678| 10.3 | 60.3 |   300|  58.7   |    5002  |
     18OCT 1800|  8.4 | 54.7 |  2440|  9.8 | 60.6 |   300|  60.0   |    5282  |
     18OCT 2400|  7.4 | 54.1 |  2650|  8.4 | 59.2 |   301|  58.9   |    4465  |
     19OCT 0600|  6.6 | 54.2 |  3488|  8.4 | 58.8 |   300|  58.0   |    4505  |
               |      |      |      |      |      |      |         |          |
         MAX   |  8.8 | 55.5 |      | 10.7 | 61.1 |      |   60.1  |          |
          time | 1500 | 1300 |      | 1600 | 1600 |      |   1700  |          |
          date |18OCT |18OCT |      |18OCT |18OCT |      |  18OCT  |          |
  release @ max|  2642|  2686|      |   298|   298|      |    5498 |          |
               |      |      |      |      |      |      |         |          |
         MIN   |  6.5 | 54.1 |      |  8.3 | 58.8 |      |   57.2  |          |
          time | 1100 | 2200 |      | 0500 | 0600 |      |   0800  |          |
          date |18OCT |18OCT |      |19OCT |19OCT |      |  18OCT  |          |
  release @ min|  4758|  2527|      |   300|   300|      |    4505 |          |
  _____________|______|______|______|______|______|______|_________|__________|
 
  LAKE PROFILES
 
      BULL SHOALS 18Sep18       NORFORK 17Sep18
        elev = 657.64             elev = 551.88
      DEPTH  D.O.   TEMP        DEPTH  D.O.   TEMP
      feet   mg/l   deg F       feet   mg/l   deg F
      -----  -----  -----       -----  -----  -----
       1.0    8.75  83.86        1.0  8.18  86.18
      20.0    9.71  81.36       20.0  8.34  80.82
      30.0    7.87  77.68<      40.0  0.26  75.67<
      40.0    3.81  68.70<      50.0  0.24  67.51<
      60.0    3.84  60.94       60.0  0.58  62.92
      80.0    4.02  55.29       80.0  2.43  56.66
     100.0    4.43  53.83      100.0  2.52  53.71
     120.0    4.92  52.92*     120.0  1.02  52.50*
     140.0    4.30  50.61      140.0  0.31  51.57
     160.0    2.43  48.74      150.0  0.00  50.90
     177.6    0.44  47.52      159.9  0.00  50.29
 
     I.D.O. = 4.47 mg/l         I.D.O. = 1.81 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Norfork RMGR 60% nameplate.
  Bull Shoals vents blocked open.