CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   FRIDAY    18 AUG 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  |
               |--------------------|-------------|------|--------------------|
     17AUG 0600|  5.6 | 52.9 |    20|  1.0 | 57.5 |    20|  7.1 | 57.0 |    20|
     17AUG 1200|  9.1 | 52.7 |    20|  4.9 | 57.6 |  2205|  7.9 | 58.1 |    20|
     17AUG 1800|  6.0 | 53.5 |  3797|  5.2 | 57.7 |  9453|  6.1 | 56.7 |  6292|
     17AUG 2400|  6.1 | 53.7 |    20|  5.2 | 57.8 |    20|  7.2 | 57.0 |    20|
     18AUG 0600|  6.5 | 51.8 |    20|  1.8 | 57.2 |    20|  6.9 | 56.7 |    20|
               |      |      |      |      |      |      |      |      |      |
         MAX   | 10.1 | 54.2 |      |  6.7 | 59.0 |      |  8.3 | 59.7 |      |
          time | 1300 | 1300 |      | 2000 | 2100 |      | 1300 | 0800 |      |
          date |17AUG |17AUG |      |17AUG |17AUG |      |17AUG |17AUG |      |
  release @ max|    20|    20|      |  3389|   651|      |    20|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  5.2 | 51.8 |      |   .9 | 57.2 |      |  6.1 | 56.5 |      |
          time | 0100 | 0600 |      | 0800 | 0600 |      | 1800 | 1400 |      |
          date |18AUG |18AUG |      |17AUG |18AUG |      |17AUG |17AUG |      |
  release @ min|    20|    20|      |    20|    20|      |  6292|   413|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 18JUL17          TABLE ROCK 18JUL17        GREERS FERRY 13JUN17
         elev = 1127.90           elev = 920.20             elev = 469.48
      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
      -----  -----  -----       -----  -----  -----       -----  -----  -----
        0.2   8.21  86.72         0.3   8.10  87.42         0.8  8.36   80.44
       17.9   9.01  84.45<       14.0   7.78  85.28<       20.0  9.49   75.34<
       24.0  10.07  75.54        21.0   1.14  78.40        25.0  9.01   71.89
       27.0   9.73  72.00<       28.0   0.22  69.49<       40.0  6.52   63.27<
       46.0   5.12  61.92        50.0   0.27  61.72        60.0  6.50   61.38
       90.0   5.28  57.92        70.0   2.48  59.94        80.0  6.94   57.87
      110.0   5.98  54.03        90.0   3.15  59.14       100.0  7.13   54.43
      120.0   6.05  52.20       110.0   4.04  58.39       110.0  7.08   52.95
      140.0   5.22  49.87*      140.0   3.68  56.52       120.0  6.85   51.67
      149.9   4.40  49.10       150.0   2.46  55.76*      130.0  6.56   51.06*
      160.1   3.62  48.63       170.0   0.35  54.00       140.0  5.81   50.31
      190.1   1.00  47.97       185.4   0.29  51.64       160.0  5.38   50.09
 
 
      I.D.O. =  5.24 mg/l       I.D.O. = 3.08 mg/l        I.D.O. = 6.53 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Vents opened at Beaver 29 June. Greers Ferry vents blocked open 24 July.
  Table Rock max gen rate is 76% nameplate capacity starting August 16.
  LOX injected starting on 16 Aug.