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                                                           ACCUMULATIONS FOR MARCH 2010



    |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   10000   19835   1103.14  14804  29364   29364  11807  402  642.33  14490  28738   28738  3632  2384   2384    446.26   9510  18853    18853   1239   5738   5738
  2   10100   39868   1103.06  14966  29684   59048  11863  400  642.23  14690  29140   57878  3671  2346   4731    446.26  10510  20853    39706   1386   5740  11478
  3   10000   59702   1102.90  17792  35290   94338  14205  403  642.75  11300  22405   80283  2810  2309   7039    446.20   8990  17836    57542   1190   5790  17268
  4   10100   79736   1102.76  16064  31862  126200  12736  400  642.79  14610  28969  109252  3594  2335   9374    446.26   8000  15870    73412   1058   5835  23103
  5   10000   99570   1102.63  18181  36062  162262  14571  404  643.03  13320  26428  135680  3281  2398  11772    446.42   8970  17784    91196   1171   5837  28941
  6    9100  117620   1102.42  18610  36912  199174  14928  404  643.46  12460  24721  160401  3090  2370  14142    446.32   9980  19797   110993   1319   5835  34776
  7    9100  135669   1102.36  16766  33254  232428  13284  399  643.84  11460  22740  183141  2852  2285  16427    446.63   6520  12923   123916    864   5861  40637
  8   10000  155504   1102.15  19793  39258  271686  15839  403  644.36  10870  21558  204699  2720  1928  18355    446.95   5010   9940   133856    641   5379  46017
  9    8500  172364   1102.01  17104  33926  305612  13555  400  644.70  12780  25358  230057  3243  2132  20487    447.55   5990  11889   145745    808   2188  48204
 10   10000  192198   1101.97  12154  24108  329720   9491  394  644.55  13560  26903  256960  3412  2221  22709    448.04   7500  14867   160612   1003   2007  50212
 11    9800  211636   1102.07   6156  12210  341930   4462  365  644.10  12800  25391  282351  3220  2337  25045    448.27   8010  15880   176492   1061   2011  52223
TOTAL                                               136742                                    35526                                                11739

                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA
                                                          AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR MARCH 2010

                                         LAKE MEAD                     LAKE MOHAVE                     LAKE HAVASU                      SENATOR WASH
  AVAILABLE CAPACITY IN A.F.             *25877000                        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    32962.7  27917.4    1103.14      11774       14800   642.33     1680.4    14500    446.26      547.5     9510      229.12     5521        0      295
       2    32945.9  27934.1    1103.06      11766       15000   642.23     1677.7    14700    446.26      547.5    10500      229.41     5605      218      150
       3    32936.1  27944.0    1102.90      11752       17800   642.75     1691.9    11300    446.20      546.4     8990      234.44     7163      835        0
       4    32913.5  27966.5    1102.76      11739       16100   642.79     1693.0    14600    446.26      547.5     8000      237.23     8124      566        0
       5    32911.5  27968.6    1102.63      11728       18200   643.03     1699.5    13300    446.42      550.4     8970      239.67     9020      588        0
       6    32906.2  27973.8    1102.42      11709       18600   643.46     1711.3    12500    446.32      548.6     9980      239.90     9106      188       26
       7    32913.3  27966.8    1102.36      11703       16800   643.84     1721.8    11500    446.63      554.3     6520      239.63     9005        9        0
       8    32919.7  27960.4    1102.15      11684       19800   644.36     1736.2    10900    446.95      560.2     5010      239.66     9016      106        0
       9    32927.3  27952.8    1102.01      11672       17100   644.70     1745.6    12800    447.55      571.5     5990      239.49     8952       67        0
      10    32928.7  27951.4    1101.97      11668       12200   644.55     1741.4    13600    448.04      580.8     7500      239.79     9065      154        0
      11    32939.4  27940.7    1102.07      11677        6160   644.10     1729.0    12800    448.27      585.2     8010      239.29     8877        0        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 MARCH 2010

                   LAKE POWELL          |        FLAMING GORGE        |          NAVAJO            |      BLUE MESA             |     MORROW POINT
             MAX. STORAGE 24320000 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   6400   3620.11   13775    10000      6025.51   3180     1490      6049.03   1210      490     7485.28    545.2     620     7147.34    107.0     530
   2   6400   3620.06   13770    10100      6025.51   3180     1440      6049.01   1210      490     7485.24    544.9     610     7147.51    107.2     550
   3   6400   3620.00   13763    10000      6025.49   3180     1390      6049.00   1210      490     7485.18    544.4     630     7147.81    107.4     510
   4   6500   3619.89   13752    10100      6025.51   3180     1350      6048.99   1210      480     7485.14    544.1     630     7148.00    107.5     560
   5   6500   3619.91   13754    10000      6025.49   3180     1300      6049.00   1210      480     7485.07    543.6     590     7148.12    107.6     550
   6   6600   3619.96   13759     9100      6025.47   3180     1250      6049.01   1210      480     7485.11    543.9     320     7147.48    107.1     570
   7   6900   3619.92   13755     9100      6025.49   3180     1200      6049.09   1210      490     7485.14    544.1     300     7146.87    106.7     540
   8   7300   3619.97   13760    10000      6025.49   3180     1160      6049.15   1220      490     7485.11    543.9     600     7147.06    106.8     530
   9   8000   3619.96   13759     8500      6025.51   3180     1110      6049.20   1220      490     7485.09    543.7     560     7147.42    107.1     450
  10   8000   3619.97   13760    10000      6025.49   3180     1060      6049.24   1220      490     7485.05    543.4     620     7147.65    107.3     540
  11   8800   3620.04   13767     9800      6025.51   3180     1010      6049.45   1220      480     7485.02    543.2     550     7147.76    107.3     530
                                        GLEN CANYON TO HOOVER DAM LOSSES

                                             MARCH 2010

                      |           | 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        10000       14800     11774        -6       387       542      -197     -1953     -3872     12507
      2        10100       15000     11766        -8       434       542      -262     -2014     -7867     11680
      3        10000       17800     11752       -14       436       542      -459     -1262    -10371     11261
      4        10100       16100     11739       -13       449       542      -426       -44    -10458     10111
      5        10000       18200     11728       -11       429       542      -360     -3216    -16837     13265
      6         9100       18600     11709       -19       434       542      -623       717    -15416      9374
      7         9100       16800     11703        -6       427       542      -197     -4522    -24385     14547
      8        10000       19800     11684       -19       453       542      -623     -1539    -27437     10593
      9         8500       17100     11672       -12       413       542      -393     -2520    -32434     11612
     10        10000       12200     11668        -4       463       542      -131     -1033    -34482     11057
     11         9800        6160     11677         9       406       542       295     -3394    -41213     11940
    TOTAL     106800      172400                          4731      5962                        -41214    127948




(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