CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   THURSDAY  27 DEC 2018
                ______________________________________________________________
               |                    |                    |                    |
               |  BEAVER            |  TABLE ROCK        |  GREERS FERRY      |
               |  (tailwater)       |  (tailwater)       |  (tailwater)       |
               |____________________|____________________|_____________ ______|
               | D.O. | TEMP | REL  | D.O. | TEMP | REL  | D.O. | TEMP | REL  |
               |------|------|------|------|------|------|------|------|------|
               | mg/l |deg F | cfs  | mg/l |deg F | cfs  | mg/l | deg F| cfs  |
               |--------------------|-------------|------|--------------------|
     26DEC 0600|  9.3 | 48.3 |    20|  7.2 | 49.5 |    20|  9.5 | 50.9 |    20|
     26DEC 1200| 10.3 | 48.8 |    20|  9.5 | 49.0 |  2311|  9.2 | 51.1 |  6269|
     26DEC 1800| 10.2 | 49.0 |    20|  8.5 | 49.5 |    20|  9.2 | 51.1 |  5739|
     26DEC 2400|  9.4 | 48.7 |    20|  7.6 | 49.5 |    20|  9.5 | 51.1 |    20|
     27DEC 0600|  9.1 | 48.7 |    20|  7.6 | 49.5 |      |  9.6 | 51.4 |    20|
               |      |      |      |      |      |      |      |      |      |
         MAX   | 10.9 | 49.3 |      | 10.0 | 49.6 |      |  9.6 | 51.4 |      |
          time | 1600 | 1500 |      | 1500 | 1100 |      | 2000 | 0500 |      |
          date |26DEC |26DEC |      |26DEC |26DEC |      |26DEC |27DEC |      |
  release @ max|    20|    20|      |   116|    20|      |  5635|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  9.1 | 48.3 |      |  7.2 | 48.9 |      |  9.2 | 50.9 |      |
          time | 0600 | 0600 |      | 0300 | 1300 |      | 1100 | 0600 |      |
          date |27DEC |26DEC |      |27DEC |26DEC |      |26DEC |26DEC |      |
  release @ min|    20|    20|      |      |  2364|      |  6279|    20|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 05Dec18          TABLE ROCK 12Dec18       GREERS FERRY 03Dec18
         elev = 1118.30           elev = 912.11             elev = 462.40
      DEPTH  D.O.   TEMP        DEPTH  D.O.   TEMP        DEPTH  D.O.   TEMP
      feet   mg/l   deg F       feet   mg/l   deg F       feet   mg/l   deg F
      -----  -----  -----       -----  -----  -----       -----  -----  -----
        1.0   9.68  50.54         0.5   7.60  50.76         1.0  9.54   54.88
       20.0   9.14  50.59        20.0   7.43  50.43        20.0  9.56   54.93
       40.0   9.21  50.58        40.0   7.32  50.34        40.0  9.44   54.93
       60.0   9.31  50.56        50.0   7.22  50.25        60.0  9.43   54.91
       80.0   9.16  50.56        60.0   7.22  50.25        80.0  9.37   54.84
      100.0   8.88  50.54        80.0   7.24  50.23        90.0  9.13   54.61
      120.0   8.81  50.52       100.0   7.12  50.22       100.0  8.89   54.46
      130.0   5.40  49.75*      120.0   6.92  50.13       110.0  7.75   54.09
      140.0   2.31  48.65       140.0   6.65  50.00*      120.0  3.83   52.34*
      160.0   0.53  47.57       160.0   4.75  49.78       130.0  2.21   51.15
      180.0   0.36  47.16       180.0   3.31  49.57       140.0  1.15   50.63
      198.0   0.35  47.05       196.2   0.62  49.32       154.0  0.56   50.32
 
 
      I.D.O. =  6.67 mg/l       I.D.O. = 6.66  mg/l        I.D.O. = 5.63 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Table Rock vents closed.
  Beaver vents closed.
  Greers Ferry vents closed.