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                                                           ACCUMULATIONS FOR SEPTEMBER 2012



    |GLEN CANYON    |                         HOOVER DAM         |             DAVIS DAM           |      MWD       |            PARKER DAM              |
    |               |  LAKE                                      |LAKE                             |                | LAKE                               |   C.A.P.
    |         ACCUM.|  MEAD    HOOVER RELEASE        GROSS  RATE |MOHAVE      DAVIS RELEASE   GROSS|DIVER. AT INTAKE| HAVASU     PARKER RELEASE     GROSS| DIVER. ACCUM.
DAY |   CFS    A.F. |  ELEV.   CFS    A.F.   ACCUM.   GEN  KWH/AF|ELEV   CFS   A.F.   ACCUM.  GEN  | A.F. ACCUM.    | ELEV    CFS    A.F.   ACCUM.  GEN. | A.F.   A.F.
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
  1    8100   16066   1116.58   9415  18674   18674   7670  411  643.28  14410  28583   28583  3577  3388   3388    448.13  11020  21848    21848   1512   5254   5254
  2    8100   32132   1116.57   9325  18496   37170   7473  404  642.84  14310  28377   56960  3548  2973   6361    448.20  10010  19853    41701   1378   5240  10495
  3    8100   48198   1116.49  12672  25134   62305  10343  411  642.71  13600  26967   83927  3350  2963   9324    448.24   9990  19806    61507   1384   5230  15725
  4    8300   64661   1116.41  13027  25838   88142  10763  417  642.54  14190  28150  112077  3503  2991  12315    448.23   9000  17843    79350   1234   5246  20971
  5    8200   80926   1116.31  13796  27364  115506  11434  418  642.61  13980  27730  139807  3444  3017  15332    448.37   7990  15848    95198   1094   5234  26206
  6    8300   97388   1116.10  17055  33828  149334  14146  418  642.75  13380  26539  166346  3295  3041  18373    448.72   7000  13878   109076    969   5228  31434
  7    8300  113851   1115.93  17318  34350  183684  14318  417  643.01  13400  26575  192921  3309  3497  21870    448.57  10210  20250   129326   1393   5244  36678
  8    8000  129719   1115.87  12127  24054  207738  10014  416  642.88  13400  26574  219495  3309  3453  25323    448.57   9530  18899   148225   1302   5232  41911
  9    8000  145587   1115.80   9696  19232  226970   7897  411  642.39  13420  26625  246120  3311  3441  28764    448.47   9510  18866   167091   1298   5276  47187
 10    8100  161653   1115.71  13390  26558  253528  11052  416  642.52  12990  25771  271891  3197  3431  32196    448.61   8040  15948   183039   1096   5232  52419
 11    8000  177521   1115.73   9885  19606  273134   8162  416  642.40  12790  25365  297256  3140  3467  35663    448.85   7800  15464   198503   1075   5147  57566
 12    8000  193388   1115.65  14316  28396  301530  11750  414  642.47  11800  23405  320661  2908  3344  39007    449.12   6810  13503   212006    950   2160  59726
 13    8000  209256   1115.58  12253  24304  325834   9994  411  642.52   9610  19059  339720  2345  3394  42401    449.38   6010  11921   223927    834   2858  62584
 14    8000  225124   1115.56  10909  21638  347472   8904  411  642.65   9390  18623  358343  2297                 449.20   8000  15860   239787   1107   2860  65445
TOTAL                                               143921                                    44533                                                16626

                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA
                                                          AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR SEPTEMBER 2012

                                         LAKE MEAD                     LAKE MOHAVE                     LAKE HAVASU                      SENATOR WASH
  AVAILABLE CAPACITY IN A.F.             *26120000                        1809800                           619400                              9144
  ELEVATION IN FEET                        1219.6                          647.0                            450.0                             240.0

           TOTAL     TOTAL    |             HOOVER            |            DAVIS            |             PARKER            |             SENATOR WASH
          SYSTEM    AVAILABLE |ELEVATION    CONTENT   RELEASE |ELEVATION   CONTENT  RELEASE |ELEVATION    CONTENT   RELEASE | ELEVATION   CONTENT  PUMPED   RELEASE
     DAY  STORAGE**   SPACE   |  FEET       1000A.F.    ft3/s |  FEET      1000A.F.  ft3/s  |   FEET      1000A.F.  ft3/s   |  FEET        A.F.     ft3/s    ft3/s
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
       1    34664.5  26460.6    1116.58      13271        9410   643.28     1706.4    14400    448.13      582.5    11000      232.76     6617      230        0
       2    34638.1  26487.0    1116.57      13270        9330   642.84     1694.3    14300    448.20      583.9    10000      237.64     8270      917        0
       3    34611.7  26513.3    1116.49      13262       12700   642.71     1690.8    13600    448.24      584.7     9990      237.43     8196       41        0
       4    34582.8  26542.3    1116.41      13254       13000   642.54     1686.1    14200    448.23      584.5     9000      237.00     8041        0        0
       5    34564.9  26560.1    1116.31      13245       13800   642.61     1688.1    14000    448.37      587.2     7990      236.60     7901        0        0
       6    34540.6  26584.4    1116.10      13225       17100   642.75     1691.9    13400    448.72      594.0     7000      235.80     7623        0       79
       7    34511.9  26613.2    1115.93      13208       17300   643.01     1699.0    13400    448.57      591.1    10200      234.30     7117        0      211
       8    34488.7  26636.3    1115.87      13203       12100   642.88     1695.4    13400    448.57      591.1     9530      234.04     7030        0        0
       9    34452.2  26672.9    1115.80      13196        9700   642.39     1682.0    13400    448.47      589.1     9510      235.96     7677      385        0
      10    34435.9  26689.2    1115.71      13187       13400   642.52     1685.6    13000    448.61      591.8     8040      239.07     8795      643        0
      11    34425.6  26699.4    1115.73      13189        9880   642.40     1682.3    12800    448.85      596.5     7800      239.84     9084      270        0
      12    34418.0  26707.1    1115.65      13182       14300   642.47     1684.2    11800    449.12      601.8     6810      239.42     8926       29        0
      13    34408.2  26716.9    1115.58      13175       12300   642.52     1685.6     9610    449.38      607.0     6010      239.86     9091      183        0
      14    34394.5  26730.6    1115.56      13173       10900   642.65     1689.1     9390    449.20      603.4     8000      239.41     8922       11        0

        * BOTTOM OF EXCLUSIVE FLOOD CONTROL SPACE
       ** INCLUDES FONTENELLE AND CRYSTAL RESERVOIRS
                                                                      BUREAU OF RECLAMATION
                                                                      LOWER COLORADO REGION
                                                                      BOULDER CITY, NEVADA
                                             COLORADO RIVER STORAGE PROJECT DATA (operational) FOR SEPTEMBER 2012

                   LAKE POWELL          |        FLAMING GORGE        |          NAVAJO            |      BLUE MESA             |     MORROW POINT
             MAX. STORAGE 24322000 AF   |  MAX. STORAGE 3749000 AF    | MAX. STORAGE 1696000 AF    | MAX. STORAGE 829500 AF     | MAX. STORAGE 117025 AF  
    COMPUTED MAX. ELEV. 3700.0 FEET     |  MAX. ELEV. 6040.0 FEET     | MAX. ELEV. 6085.0 FEET     | MAX. ELEV. 7519.4 FEET     | MAX. ELEV. 7160.0 FEET
     INFLOW  ELEVATION CONTENT  RELEASE |  ELEVATION CONTENT  RELEASE | ELEVATION CONTENT  RELEASE | ELEVATION CONTENT  RELEASE | ELEVATION CONTENT  RELEASE
DATE FT3/S   (FEET)  (1000 AF)   FT3/S  |  (FEET)  (1000 AF)   FT3/   |(FEET)  (1000 AF)   FT3/S   | (FEET)  (1000 AF)   FT3/S  |(FEET)  (1000 AF)   FT3/S
------------------------------------------------------------------------------------------------------------------------------------------------------------
   1   4900   3623.55   14143     8100      6022.17   3060     1300      6038.58   1100      910     7462.31    385.6    1120     7154.69    112.8    1190
   2   4300   3623.47   14134     8100      6022.15   3060     1300      6038.32   1090     1000     7462.16    384.7    1030     7154.27    112.4    1200
   3   3600   3623.38   14124     8100      6022.13   3060     1300      6038.09   1090     1000     7461.93    383.2    1240     7154.36    112.5    1200
   4   4100   3623.29   14115     8300      6022.09   3050     1310      6037.82   1090     1000     7461.67    381.6    1190     7154.22    112.4    1250
   5   6200   3623.24   14110     8200      6022.03   3050     1420      6037.55   1090     1000     7461.39    379.9    1300     7154.43    112.6    1220
   6   4500   3623.16   14101     8300      6022.01   3050     1310      6037.28   1080     1000     7461.08    377.9    1250     7154.47    112.6    1230
   7   3900   3623.07   14091     8300      6021.97   3050     1240      6037.01   1080     1000     7460.81    376.3    1220     7154.50    112.6    1210
   8   5400   3623.01   14085     8000      6021.93   3050     1190      6036.73   1080     1000     7460.50    374.3    1230     7154.50    112.6    1230
   9   4800   3622.94   14077     8000      6021.89   3050     1150      6036.49   1080     1000     7460.23    372.7    1130     7154.29    112.4    1220
  10   4900   3622.87   14070     8100      6021.87   3050     1100      6036.25   1070     1000     7459.91    370.7    1260     7154.38    112.5    1230
  11   4800   3622.80   14062     8000      6021.85   3050     1100      6036.01   1070     1000     7459.65    369.1    1250     7154.32    112.5    1270
  12   7700   3622.78   14060     8000      6021.83   3040     1100      6035.84   1070     1000     7459.44    367.8    1200     7154.10    112.3    1290
  13   6000   3622.73   14055     8000      6021.80   3040     1100      6035.79   1070     1000     7459.23    366.5    1080     7153.90    112.1    1200
  14   5400   3622.67   14048     8000      6021.77   3040     1100      6035.66   1070     1000     7459.00    365.1    1140     7153.61    111.9    1220
                                        GLEN CANYON TO HOOVER DAM LOSSES

                                             SEPTEMBER 2012

                      |           | LAKE    |         |   LAKE|    LAKE   |  CHANGE |
               GLEN   |    HOOVER | MEAD    |  STORAGE|   MEAD|    MEAD   |   BANK  |       |          |
              RELEASE |    RELEASE| STORAGE |  CHANGE |PUMPING|EVAPORATION| STORAGE |  LOSS |  ACCUMUL.|  INFLOW
   DATE |      CFS    |     CFS   | 1000 AF |  1000 AF|    CFS|     CFS   |    CFS  |   CFS |     A.F. |   CFS
--------------------------------------------------------------------------------------------------------------------
      1         8100        9410     13271         2       624      1076        66     -1719     -3409     12184
      2         8100        9330     13270        -1       588      1076       -33     -1195     -5780     10457
      3         8100       12700     13262        -8       601      1076      -262     -1954     -9656     10082
      4         8300       13000     13254        -8       620      1076      -262     -2265    -14149     10400
      5         8200       13800     13245        -9       610      1076      -295     -2504    -19115     10654
      6         8300       17100     13225       -20       610      1076      -655       220    -18678      8047
      7         8300       17300     13208       -17       594      1076      -557     -1636    -21923      9842
      8         8000       12100     13203        -5       582      1076      -164     -2801    -27478     11073
      9         8000        9700     13196        -7       548      1076      -229       709    -26073      7565
     10         8100       13400     13187        -9       549      1076      -295     -2152    -30341     10193
     11         8000        9880     13189         2       535      1076        66     -4599    -39464     12565
     12         8000       14300     13182        -7       523      1076      -229     -4081    -47558     12140
     13         8000       12300     13175        -7       495      1076      -229     -2075    -51673     10112
     14         8000       10900     13173        -2       512      1076       -66     -3410    -58436     11414
    TOTAL     113600      175200                          7991     15064                        -58436    146729




(ft=feet above mean sea level, cfs=cubic feet per second, kaf=1000 acre-feet)

Note: Automatic reports have not been checked for errors.

Comments and questions about the data to:
Water Operations, bcoowaterops@usbr.gov