CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   FRIDAY    31 JUL 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  |
               |--------------------|-------------|------|--------------------|
     30JUL 0600|  7.5 | 44.6 |    20|  7.2 | 52.1 |  4530|  8.6 | 47.3 |    20|
     30JUL 1200|  8.3 | 44.9 |    20|  7.4 | 52.0 |  6179|  7.7 | 47.3 |  6238|
     30JUL 1800|  7.6 | 46.0 |  7532|  6.6 | 52.0 |  8628|  7.7 | 47.5 |  6249|
     30JUL 2400|  8.4 | 44.9 |    20|  6.8 | 52.2 |  3382|  8.0 | 47.3 |    20|
     31JUL 0600|  7.5 | 44.5 |    20|  7.2 | 52.2 |  6837|  8.2 | 47.1 |    20|
               |      |      |      |      |      |      |      |      |      |
         MAX   |  9.4 | 46.3 |      |  8.0 | 52.3 |      |  9.9 | 48.4 |      |
          time | 2200 | 2000 |      | 0300 | 0200 |      | 1000 | 1000 |      |
          date |30JUL |30JUL |      |31JUL |31JUL |      |30JUL |30JUL |      |
  release @ max|    20|    20|      |  2572|  4113|      |    20|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  7.3 | 44.5 |      |  5.7 | 52.0 |      |  7.6 | 47.1 |      |
          time | 1700 | 0800 |      | 1900 | 0900 |      | 2000 | 1100 |      |
          date |30JUL |30JUL |      |30JUL |30JUL |      |30JUL |30JUL |      |
  release @ min|  6121|    20|      |  8745|  6586|      |  6247|  3391|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 17JUN15          TABLE ROCK 14JUL15        GREERS FERRY 17JUN15
         elev = 1128.98            elev = 927.58             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         0.6   8.50  85.15         0.5  7.83   85.64
       20.0  10.04  77.90<       10.1   8.61  84.92        10.0  8.14   83.82<
       34.0   9.87  66.00<       18.1   8.45  83.43<       19.1 10.55   71.71
       60.0   9.41  55.80        20.2   8.21  81.97        33.2  7.62   63.95<
      100.0   9.19  44.80        22.2   6.82  78.94<       61.9  7.87   54.68
      110.0   9.05  44.00        40.2   1.15  69.89        89.9  9.22   46.62
      120.0   9.03  43.60        57.8   0.99  64.36        90.0  5.56   50.41
      130.0   8.98  43.40        99.9   4.13  56.05       109.9  9.49   44.89
      140.0   8.95  43.10*      120.9   5.10  52.81       120.0  9.60   44.06
      161.0   8.72  42.90       159.6   5.08  47.16*      129.9  9.61   43.25*
      170.0   8.63  42.70       169.5   4.63  44.67       140.0  9.50   42.80
      209.0   8.04  42.60       180.3   4.28  44.42       158.9  8.58   42.69
 
 
      I.D.O. =  9.03 mg/l       I.D.O. = 4.73 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.