CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   TUESDAY   14 AUG 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  |
               |--------------------|-------------|------|--------------------|
     13AUG 0600|  7.2 | 48.9 |    20|  3.4 | 49.9 |    20|  6.9 | 50.2 |    20|
     13AUG 1200|  8.7 | 51.1 |    20|  8.0 | 51.2 |    20|  8.0 | 52.7 |    20|
     13AUG 1800|  6.0 | 49.2 |  3879|  6.1 | 50.4 | 11795|  6.4 | 50.7 |  6395|
     13AUG 2400|  7.3 | 49.1 |    20|  6.1 | 50.0 |    20|  7.2 | 50.4 |    20|
     14AUG 0600|  7.3 | 49.4 |    20|  3.5 | 50.1 |    20|  7.0 | 50.4 |    20|
               |      |      |      |      |      |      |      |      |      |
         MAX   |  8.7 | 51.1 |      |  8.7 | 51.9 |      |  8.4 | 53.1 |      |
          time | 1200 | 1200 |      | 2200 | 2000 |      | 1400 | 1400 |      |
          date |13AUG |13AUG |      |13AUG |13AUG |      |13AUG |13AUG |      |
  release @ max|    20|    20|      |    20|   384|      |    20|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  5.9 | 48.9 |      |  2.3 | 49.9 |      |  6.4 | 50.2 |      |
          time | 1700 | 0600 |      | 0900 | 0700 |      | 1600 | 0600 |      |
          date |13AUG |13AUG |      |13AUG |13AUG |      |13AUG |13AUG |      |
  release @ min|  3890|    20|      |    20|    20|      |  6287|    20|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 18Jun18          TABLE ROCK 11Jul18        GREERS FERRY 21Jun18
         elev = 1124.14           elev = 916.32             elev = 461.7
      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
      -----  -----  -----       -----  -----  -----       -----  -----  -----
        0.6   8.00  86.65         0.4   8.68  88.81         0.7  7.64   86.47
       20.0   8.92  82.71<       20.0  10.33  78.82<       20.0  7.61   85.78<
       40.0   9.71  56.53<       40.0   4.37  58.62<       40.0  8.32   56.52<
       60.0   9.15  52.77        60.0   4.70  54.61        60.0  7.77   53.73
       80.0   8.72  51.39        80.0   5.91  53.08        80.0  8.14   51.24
      100.0   8.62  49.93       100.0   6.65  51.57        90.0  8.25   49.78
      120.0   8.06  47.66       120.0   6.71  50.50       100.0  8.22   48.79
      130.0   7.71  47.01*      140.0   7.13  47.64*      110.0  8.08   48.29
      140.0   7.48  46.53       160.0   6.39  48.45       120.0  7.71   47.75*
      160.0   6.60  45.99       180.0   4.71  47.43       130.0  7.31   47.46
      180.0   5.88  45.73       200.0   2.15  46.69       140.0  7.14   47.37
      203.3   1.53  45.73       206.5   2.09  46.71       154.7  5.84   47.34
 
 
      I.D.O. =  7.93 mg/l       I.D.O. = 6.79 mg/l        I.D.O. = 7.76 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Norfork Vents blocked open.