CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   THURSDAY  27 AUG 2015
                ______________________________________________________________
               |                    |                    |                    |
               |  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  |
               |--------------------|-------------|------|--------------------|
     26AUG 0600|  7.7 | 44.9 |    20|  5.1 | 56.9 |  6191|  7.9 | 48.7 |    20|
     26AUG 1200|  8.6 | 45.9 |    20|  5.1 | 56.8 |  8560| 10.4 | 52.5 |    20|
     26AUG 1800|  6.6 | 46.8 |  7572|  4.0 | 56.9 | 10843|  6.9 | 49.1 |  6289|
     26AUG 2400|  8.0 | 45.1 |    20|  5.7 | 57.1 |  7695|  8.1 | 48.7 |    20|
     27AUG 0600|  7.8 | 44.9 |    20|  6.3 | 57.0 |  5334|  7.9 | 48.9 |    20|
               |      |      |      |      |      |      |      |      |      |
         MAX   |  9.2 | 46.9 |      |  6.3 | 57.1 |      | 10.8 | 57.7 |      |
          time | 1400 | 1700 |      | 0100 | 2400 |      | 1400 | 1400 |      |
          date |26AUG |26AUG |      |27AUG |26AUG |      |26AUG |26AUG |      |
  release @ max|    20|  7486|      |  6294|  7695|      |    20|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  6.2 | 44.8 |      |  4.0 | 56.8 |      |  6.8 | 48.4 |      |
          time | 1700 | 0700 |      | 1800 | 1100 |      | 1900 | 0300 |      |
          date |26AUG |26AUG |      |26AUG |26AUG |      |26AUG |27AUG |      |
  release @ min|  7486|    20|      | 10843|  8548|      |  6157|    20|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 17JUN15          TABLE ROCK 13AUG15        GREERS FERRY 17JUN15
         elev = 1128.98            elev = 922.67             elev = 472.08
      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
      -----  -----  -----       -----  -----  -----       -----  -----  -----
        0.0   8.01  81.50         0.5   8.85  84.40         0.5  7.83   85.64
       20.0  10.04  77.90<       10.0   8.96  84.43        10.0  8.14   83.82<
       34.0   9.87  66.00<       20.0   5.85  82.85<       19.1 10.55   71.71
       60.0   9.41  55.80        22.9   0.93  78.62        33.2  7.62   63.95<
      100.0   9.19  44.80        25.0   0.10  76.87<       61.9  7.87   54.68
      110.0   9.05  44.00        90.0   0.27  60.98        89.9  9.22   46.62
      120.0   9.03  43.60       100.0   1.05  59.47        90.0  5.56   50.41
      130.0   8.98  43.40       120.0   4.44  56.68       109.9  9.49   44.89
      140.0   8.95  43.10*      130.0   4.61  55.76       120.0  9.60   44.06
      161.0   8.72  42.90       150.0   4.05  53.37*      129.9  9.61   43.25*
      170.0   8.63  42.70       169.0   1.23  50.04       140.0  9.50   42.80
      209.0   8.04  42.60       180.1   0.00  47.55       158.9  8.58   42.69
 
 
      I.D.O. =  9.03 mg/l       I.D.O. = 3.33 mg/l        I.D.O. = 9.37 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Vents blocked open at Table Rock on 6 July.  Table Rock RMG rate
  is 84% nameplate (42MW per unit) starting 19 August.