CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   MONDAY    20 NOV 2017
                ______________________________________________________________
               |                    |                    |                    |
               |  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  |
               |--------------------|-------------|------|--------------------|
     19NOV 0600|  5.1 | 54.3 |    20|  9.1 | 59.0 |  2636|  7.2 | 53.6 |    20|
     19NOV 1200|  6.7 | 55.6 |    20|  8.9 | 58.9 |  2685|  8.4 | 54.0 |    20|
     19NOV 1800|  5.9 | 54.5 |    20|  8.1 | 58.8 |  2767|  8.2 | 54.5 |    20|
     19NOV 2400|  4.5 | 53.9 |    20|  7.8 | 58.8 |  3383|  7.5 | 53.1 |    20|
     20NOV 0600|  6.0 | 53.1 |    20|  8.2 | 58.7 |  2589|  7.6 | 52.7 |    20|
               |      |      |      |      |      |      |      |      |      |
         MAX   |  7.2 | 56.2 |      |  9.1 | 59.0 |      |  8.8 | 56.3 |      |
          time | 1300 | 1300 |      | 0600 | 0600 |      | 1400 | 1500 |      |
          date |19NOV |19NOV |      |19NOV |19NOV |      |19NOV |19NOV |      |
  release @ max|    20|    20|      |  2636|  2636|      |    20|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  3.2 | 53.1 |      |  7.7 | 58.7 |      |  7.2 | 52.7 |      |
          time | 0500 | 0600 |      | 2100 | 0400 |      | 0600 | 0400 |      |
          date |20NOV |20NOV |      |19NOV |20NOV |      |19NOV |20NOV |      |
  release @ min|    20|    20|      |  3205|  3015|      |    20|    20|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 13SEP17          TABLE ROCK 01Nov17        GREERS FERRY 31Oct17
         elev = 1124.83           elev = 916.00             elev = 457.46
      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
      -----  -----  -----       -----  -----  -----       -----  -----  -----
        0.1   8.49  76.96         0.5   6.18  63.00         0.5  7.05   66.63
       20.0   8.48  75.97        20.0   6.11  63.05        20.0  7.03   66.74
       33.0   8.30  75.79<       40.0   6.13  63.05        40.0  4.56   66.61
       35.0   4.90  71.87<       60.0   6.15  63.05        56.0  1.23   64.65<
       40.0   1.87  66.47        70.0   6.03  63.05<       65.0  1.46   62.18<
       60.0   2.34  61.28        80.0   0.72  61.63<       75.0  2.26   60.72
      110.0   2.47  57.23        90.0   0.26  60.69        90.0  2.72   58.90
      120.0   2.72  55.74       110.0   0.25  59.61       100.0  2.73   57.54
      140.0   1.91  52.18*      120.0   0.25  58.96       110.0  2.11   55.99
      150.0   0.74  50.93       140.0   0.26  57.94*      120.0  1.25   55.09*
      160.0   0.00  50.02       170.0   0.27  55.83       140.0  0.29   53.06
      184.6   0.00  48.45       181.1   0.28  53.37       149.1  0.29   52.74
 
 
      I.D.O. =  2.08 mg/l       I.D.O. = 0.30 mg/l        I.D.O. = 1.72 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Greers Ferry vents blocked open 24 July.  Beaver RMG rate is 100% nameplate
  starting 16 November.  Table Rock max gen rate is 56% nameplate capacity
  starting 20 November, LOX injection starting on 16 Aug.