CORPS OF ENGINEERS
                                  LITTLE ROCK DISTRICT
 
                        DISSOLVED OXYGEN AND TEMPERATURE REPORT
 
                                   FRIDAY    21 JUL 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  |
               |--------------------|-------------|------|--------------------|
     20JUL 0600|  6.2 | 51.1 |    20|  5.9 | 57.1 |  2202|  6.9 | 54.9 |    20|
     20JUL 1200|  2.4 | 51.9 |    20|  6.5 | 57.2 |  7025|  5.9 | 55.8 |  6197|
     20JUL 1800|  6.9 | 52.7 |  3782|  6.3 | 57.2 |  8612|  5.7 | 55.6 |  6173|
     20JUL 2400|  6.8 | 53.0 |    20|  6.3 | 57.2 |  4109|  7.1 | 55.6 |    20|
     21JUL 0600|  6.1 | 50.9 |    20|  6.1 | 57.2 |  4604|  6.9 | 55.2 |  3307|
               |      |      |      |      |      |      |      |      |      |
         MAX   |  8.8 | 53.1 |      |  7.6 | 57.2 |      |  7.3 | 55.9 |      |
          time | 1300 | 2300 |      | 0900 | 2000 |      | 0900 | 0200 |      |
          date |20JUL |20JUL |      |20JUL |20JUL |      |20JUL |21JUL |      |
  release @ max|    20|    20|      |  1697|  7868|      |    20|    20|      |
               |      |      |      |      |      |      |      |      |      |
         MIN   |  2.4 | 50.9 |      |  5.4 | 57.1 |      |  5.4 | 54.9 |      |
          time | 1200 | 0600 |      | 1600 | 0600 |      | 0500 | 0600 |      |
          date |20JUL |21JUL |      |20JUL |20JUL |      |21JUL |20JUL |      |
  release @ min|    20|    20|      | 10089|  2202|      |   368|    20|      |
  _____________|______|______|______|______|______|______|______|______|______|
 
  LAKE PROFILES
 
        BEAVER 14JUN17          TABLE ROCK 16JUN17        GREERS FERRY 13JUN17
         elev = 1128.81           elev = 924.17             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   8.60  79.97         0.4   9.37  81.01         0.8  8.36   80.44
       20.0   8.65  79.36<       12.0   7.79  79.02<       20.0  9.49   75.34<
       27.1  10.27  74.03        19.0   3.89  72.97        25.0  9.01   71.89
       36.1   8.34  65.43<       25.0   0.93  66.07<       40.0  6.52   63.27<
       70.1   6.56  59.74        30.0   0.98  64.78        60.0  6.50   61.38
       89.9   6.56  59.74        70.0   4.41  59.61        80.0  6.94   57.87
      109.0   6.92  52.70        90.0   4.91  59.00       100.0  7.13   54.43
      119.9   6.90  51.28       110.0   5.03  58.28       110.0  7.08   52.95
      139.9   5.92  49.06*      140.0   5.29  56.50       120.0  6.85   51.67
      150.1   5.35  48.49       150.0   4.50  54.95*      130.0  6.56   51.06*
      160.1   4.94  48.11       160.0   3.63  52.65       140.0  5.81   50.31
      179.9   4.01  47.84       180.0   2.71  50.58       160.0  5.38   50.09
 
 
      I.D.O. =  6.17 mg/l       I.D.O. = 4.57 mg/l        I.D.O. = 6.53 mg/l
 
      < = Approximate range of thermocline
      * = Approximate centerline of penstock
 
  _____________________________________________________________________________
 
  REMARKS
 
  Table Rock vents blocked open 13 June.  Vents opened at Beaver 29 June.