CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   MONDAY    08 JAN 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  |
               |--------------------|-------------|------|--------------------|
      7JAN 0600|  9.5 | 47.5 |    20|  8.6 | 48.6 |    20|  8.3 | 47.1 |    20|
      7JAN 1200|  9.9 | 48.0 |    20|  8.9 | 48.8 |    20|  8.6 | 48.2 |    20|
      7JAN 1800| 10.0 | 48.0 |    20|  7.7 | 48.8 |    20|  8.5 | 48.7 |    20|
      7JAN 2400|  9.4 | 47.9 |    20|  6.5 | 48.8 |    20|  8.4 | 48.7 |    20|
      8JAN 0600| 10.3 | 47.8 |    20|  9.2 | 48.7 |    20|  8.4 | 48.9 |    20|
               |      |      |      |      |      |      |      |      |      |
         MAX   | 10.4 | 48.1 |      |  9.7 | 48.9 |      |  8.7 | 48.9 |      |
          time | 1600 | 1500 |      | 1300 | 1500 |      | 1500 | 0600 |      |
          date | 7JAN | 7JAN |      | 7JAN | 7JAN |      | 7JAN | 8JAN |      |
  release @ max|    20|    20|      |    20|    20|      |    20|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  8.6 | 47.5 |      |  6.0 | 48.6 |      |  8.3 | 47.1 |      |
          time | 0800 | 0600 |      | 0200 | 0700 |      | 0800 | 0600 |      |
          date | 7JAN | 7JAN |      | 8JAN | 7JAN |      | 7JAN | 7JAN |      |
  release @ min|    20|    20|      |    20|    20|      |    20|    20|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 27Nov17          TABLE ROCK 28Nov17        GREERS FERRY 29Nov17
         elev = 1118.4           elev = 914.5              elev = 456.7
      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
      -----  -----  -----       -----  -----  -----       -----  -----  -----
        0.5   8.03  58.80         0.4   6.36  58.28         0.5  7.04   59.83
       20.0   7.51  58.64        20.0   6.32  58.28        20.0  6.64   59.32
       40.0   7.11  58.41        40.0   6.29  58.28        40.0  6.65   59.27
       60.0   7.26  58.37        60.0   6.28  58.28        60.0  6.56   59.25
       80.0   7.42  58.37        80.0   6.21  58.28        80.0  4.19   59.05<
      100.0   6.61  58.28       100.0   6.04  58.28        90.0  2.23   58.42
      110.0   4.74  58.14<      120.0   5.58  58.21       100.0  2.15   57.45
      115.0   0.31  57.70<      140.0   3.32  58.06       110.0  1.62   56.25<
      130.0   0.30  56.23*      150.0   3.48  58.03<      120.0  0.32   54.99*
      150.0   0.32  52.77       160.0   0.31  57.38*      130.0  0.29   54.03
      170.0   0.34  50.40       170.0   0.29  56.70<      140.0  0.32   53.37
      184.8   0.35  49.44       175.7   0.30  55.33       148.7  0.31   52.99
 
 
      I.D.O. =  3.03 mg/l       I.D.O. = 4.15 mg/l        I.D.O. = 2.05 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Greers Ferry vents blocked open 24 July.  Table Rock no RMGR as of
  11 December. Beaver no RMGR as of 27 November.  Table Rock vents
  closed 12 December.  Beaver vents closed 21 December.