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  	                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA

                                                               ACCUMULATIONS FOR APRIL 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   10300   20430   1100.52  18188  36076   36076  14365  398  642.20  17690  35079   35079  4376  3552   3552    447.51   8210  16282    16282   1102   5560   5560
  2   10400   41058   1100.36  17790  35286   71362  14153  401  642.06  18580  36849   71928  4614  3527   7079    447.35  15190  30125    46407   1982   5550  11109
  3    9900   60694   1100.28  14453  28668  100030  11433  399  641.90  15580  30907  102835  3852  3550  10629    447.40  14090  27943    74350   1856   4764  15874
  4    9500   79537   1100.29  12008  23818  123848   9452  397  641.85  13430  26634  129469  3339  3523  14152    447.27  13290  26363   100713   1775   4383  20257
  5   10400  100165   1100.18  16671  33066  156914  13200  399  641.79  17200  34122  163591  4242  3539  17691    446.85  13090  25969   126682   1735   5215  25472
  6   10400  120793   1100.04  18723  37136  194050  14923  402  641.81  17180  34076  197667  4237  3592  21283    446.91  13110  26006   152688   1723   4723  30194
  7   10400  141421   1099.87  19072  37828  231878  15087  399  642.01  15680  31095  228762  3888  3535  24817    446.92  12390  24584   177272   1636   5334  35528
  8   10400  162050   1099.74  17654  35016  266894  14000  400  642.10  15610  30957  259719  3874  3562  28380    447.34   7910  15688   192960   1063   5359  40887
  9   10300  182479   1099.71  12456  24706  291600   9734  394  641.87  15590  30927  290646  3863  3568  31948    447.25  11890  23583   216543   1574   5613  46500
 10    9900  202116   1099.73  11477  22764  314364   9009  396  641.50  15200  30151  320797  3747  3527  35474    447.25  11210  22238   238781   1484   5605  52106
 11    9500  220959   1099.70  12608  25008  339372   9836  393  641.44  13180  26148  346945  3249  3552  39027    447.25  10180  20198   258979   1368   5843  57949
 12   10400  241587   1099.59  16604  32934  372306  13119  398  641.55  14970  29702  376647  3693  3515  42541    447.13  10710  21242   280221   1414   5744  63693
 13   10400  262215   1099.51  15074  29898  402204  11898  398  641.45  15580  30908  407555  3854   795  43337    447.09  12700  25189   305410   1674   5986  69679
 14   10300  282645   1099.39  15743  31226  433430  12372  396  641.56  15180  30115  437670  3746     0  43337    447.18  11200  22223   327633   1483   5986  75665
 15   10500  303471   1099.30  16883  33488  466918  13255  396  641.61  14990  29734  467404  3704     0  43337    447.62   8310  16477   344110   1124   5988  81654
 16   10300  323901   1099.21  15378  30502  497420  12031  394  641.59  14970  29684  497088  3698     0  43337    447.62  12180  24156   368266   1629   5992  87646
 17    9900  343537   1099.22  12645  25082  522501   9901  395  641.40  14390  28534  525622  3542     0  43337    447.70  11300  22405   390671   1515   5992  93638
 18    9400  362182   1099.19  13368  26514  549016  10425  393  641.34  14360  28491  554113  3533     0  43337    447.66  11980  23771   414442   1604   5990  99628
 19   10400  382810   1099.08  16517  32762  581778  13020  397  641.44  14980  29707  583820  3688     0  43337    447.56  12190  24172   438614   1631   5990 105618
 20    9400  401454   1098.89  18516  36726  618504  14658  399  641.48  15830  31405  615225  3907     0  43337    447.77  10680  21187   459801   1423   5244 110862
 21   10300  421884   1098.89  13834  27440  645944  10748  392  641.32  16380  32487  647712  4042     0  43337    448.07  10310  20447   480248   1379   5004 115866
 22   10400  442512   1098.82  14671  29100  675044  11465  394  641.14  15760  31263  678975  3881     0  43337    448.76   8030  15933   496181   1098   5022 120889
 23   10600  463537   1098.72  16659  33042  708086  13087  396  641.44  12500  24790  703765  3095     0  43337    448.95  11620  23045   519226   1579   5036 125925
 24    9800  482975   1098.74  12578  24948  733034   9824  394  641.39  11760  23333  727098  2937     0  43337    448.86  11220  22248   541474   1514   4735 130659
 25    9500  501818   1098.67  15108  29966  763000  11904  397  641.54  13010  25812  752910  3241     0  43337    448.67  11800  23409   564883   1597   4546 135205
 26   10400  522446   1098.46  20071  39810  802810  15911  400  642.13  10960  21735  774645  2714     0  43337    448.46  12720  25227   590110   1715   3890 139095
 27   10300  542876   1098.25  17620  34950  837760  13897  398  642.54  10980  21787  796432  2707     0  43337    448.20  11280  22376   612486   1517   3544 142639
 28    9800  562314   1098.16  15599  30940  868700  12262  396  642.86  10960  21742  818174  2709     0  43337    448.00  12000  23792   636278   1609   3588 146227
 29    9800  581752   1098.13  14501  28762  897462  11356  395  642.75  15700  31141  849315  3917     0  43337    448.52   5000   9911   646189    654   3281 149508
 30   10300  602182   1098.00  17912  35528  932990  14112  397  642.94  14680  29124  878439  3671   151  43488    448.61  12160  24121   670310   1609   3650 153158

TOTAL                                               370437                                   109562                                                45067










                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA

                                                     AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR APRIL 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    32705.9  28176.2    1100.52      11538       18200   642.20     1676.9    17700    447.51      570.7     8210      238.09     8433        0      209
       2    32678.4  28203.6    1100.36      11523       17800   642.06     1673.0    18600    447.35      567.7    15200      232.82     6636        0      930
       3    32659.7  28222.4    1100.28      11516       14500   641.90     1668.7    15600    447.40      568.7    14100      227.74     5135        0      782
       4    32657.9  28224.2    1100.29      11517       12000   641.85     1667.3    13400    447.27      566.2    13300      231.74     6298      725       98
       5    32631.4  28250.6    1100.18      11507       16700   641.79     1665.7    17200    446.85      558.3    13100      237.50     8220     1030        0
       6    32617.8  28264.2    1100.04      11495       18700   641.81     1666.3    17200    446.91      559.4    13100      239.60     8994      508        0
       7    32604.7  28277.3    1099.87      11479       19100   642.01     1671.7    15700    446.92      559.6    12400      239.04     8783        0        0
       8    32599.6  28282.5    1099.74      11468       17700   642.10     1674.1    15600    447.34      567.5     7910      239.87     9095      254        0
       9    32586.2  28295.9    1099.71      11465       12500   641.87     1667.9    15600    447.25      565.8    11900      239.37     8907        0        0
      10    32575.6  28306.5    1099.73      11467       11500   641.50     1657.9    15200    447.25      565.8    11200      238.91     8735        0        0
      11    32572.7  28309.3    1099.70      11464       12600   641.44     1656.3    13200    447.25      565.8    10200      239.89     9102      270        0
      12    32566.9  28315.2    1099.59      11455       16600   641.55     1659.2    15000    447.13      563.6    10700      239.39     8914        0        0
      13    32560.4  28321.7    1099.51      11447       15100   641.45     1656.6    15600    447.09      562.8    12700      235.55     7538        0      680
      14    32553.9  28328.2    1099.39      11437       15700   641.56     1659.5    15200    447.18      564.5    11200      234.99     7347        0       52
      15    32564.3  28317.7    1099.30      11429       16900   641.61     1660.9    15000    447.62      572.8     8310      232.39     6501        0      409
      16    32565.9  28316.2    1099.21      11421       15400   641.59     1660.3    15000    447.62      572.8    12200      232.84     6642      195      106
      17    32587.8  28294.2    1099.22      11422       12600   641.40     1655.2    14400    447.70      574.3    11300      235.82     7630      557        0
      18    32602.9  28279.2    1099.19      11419       13400   641.34     1653.6    14400    447.66      573.6    12000      237.02     8048      278        0
      19    32609.3  28272.8    1099.08      11409       16500   641.44     1656.3    15000    447.56      571.7    12200      237.84     8342      242        0
      20    32627.3  28254.7    1098.89      11392       18500   641.48     1657.4    15800    447.77      575.7    10700      237.11     8081       89      169
      21    32655.2  28226.8    1098.89      11392       13800   641.32     1653.0    16400    448.07      581.4    10300      237.45     8203      234       92
      22    32690.5  28191.6    1098.82      11386       14700   641.14     1648.2    15800    448.76      594.7     8030      239.69     9027      520        0
      23    32726.7  28155.3    1098.72      11377       16700   641.44     1656.3    12500    448.95      598.4    11600      239.28     8873       21        0
      24    32752.8  28129.3    1098.74      11379       12600   641.39     1654.9    11800    448.86      596.7    11200      239.32     8888       99        0
      25    32780.3  28101.8    1098.67      11373       15100   641.54     1659.0    13000    448.67      593.0    11800      239.95     9125      209        0
      26    32795.3  28086.7    1098.46      11354       20100   642.13     1674.9    11000    448.46      588.9    12700      239.54     8971       10        0
      27    32806.0  28076.0    1098.25      11335       17600   642.54     1686.1    11000    448.20      583.9    11300      239.96     9129      168        0
      28    32821.3  28060.7    1098.16      11327       15600   642.86     1694.9    11000    448.00      580.0    12000      239.65     9013       28        0
      29    32851.8  28030.2    1098.13      11325       14500   642.75     1691.9    15700    448.52      590.1     5000      239.74     9046      120        0
      30    32865.1  28016.9    1098.00      11313       17900   642.94     1697.1    14700    448.61      591.8    12200      239.32     8888        0        0

TOTAL                                                   470600                       443300                        338060                          5557     3527
AVE.                                                     15690                        14780                         11270                           185      118
AC FT                                                   933000                       879000                        671000                         11022     6996

      * 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 APRIL 2010

                   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   6500   3619.33   13692    10300      6026.07   3200      810      6052.06   1250      510     7484.86    542.0     780     7147.41    107.1     780
   2   6500   3619.25   13684    10400      6026.09   3200      810      6052.21   1250      490     7484.85    541.9     740     7147.39    107.1     770
   3   6900   3619.18   13677     9900      6026.05   3200      810      6052.31   1250      490     7484.80    541.6     780     7147.43    107.1     790
   4   7600   3619.17   13675     9500      6026.09   3200      810      6052.42   1250      490     7484.73    541.0     810     7147.43    107.1     840
   5   7400   3619.08   13666    10400      6026.11   3200      810      6052.60   1260      480     7484.66    540.5     840     7147.54    107.2     830
   6   7200   3619.03   13661    10400      6026.11   3200      810      6052.85   1260      470     7484.63    540.3     880     7147.50    107.1     920
   7   7000   3618.99   13657    10400      6026.11   3200      810      6053.02   1260      470     7484.49    539.2     960     7147.28    107.0    1070
   8   7200   3618.93   13650    10400      6026.13   3200      810      6053.23   1260      470     7484.39    538.5    1020     7147.11    106.8    1120
   9   6900   3618.87   13644    10300      6026.15   3200      810      6053.50   1270      470     7484.31    537.9    1020     7147.22    106.9    1020
  10   6900   3618.80   13636     9900      6026.17   3200      810      6053.86   1270      470     7484.26    537.5    1020     7147.36    107.0    1030
  11   7200   3618.76   13632     9500      6026.18   3200      810      6054.25   1280      480     7484.28    537.6    1050     7148.16    107.7     840
  12   7200   3618.72   13628    10400      6026.20   3200     1010      6054.72   1280      470     7484.33    538.0    1010     7148.76    108.1     890
  13   7900   3618.68   13624    10400      6026.21   3210     1070      6055.21   1290      470     7484.54    539.6     820     7149.01    108.3     900
  14   9300   3618.62   13618    10300      6026.21   3210      810      6055.58   1290      470     7484.68    540.6     800     7148.95    108.3     960
  15  10900   3618.64   13620    10500      6026.21   3210      810      6056.00   1300      470     7484.85    541.9     810     7149.21    108.5     880
  16  12100   3618.64   13620    10300      6026.23   3210      810      6056.53   1300      460     7485.17    544.3     710     7149.48    108.7     840
  17  11200   3618.69   13625     9900      6026.27   3210      810      6057.59   1320      470     7485.65    548.0     680     7150.48    109.4     670
  18  11800   3618.75   13631     9400      6026.29   3210      810      6058.25   1330      460     7486.19    552.1     410     7150.43    109.4     780
  19  13700   3618.78   13634    10400      6026.31   3210      810      6058.77   1330      460     7486.69    555.9     500     7150.47    109.4     840
  20  16200   3618.96   13653     9400      6026.31   3210      810      6059.21   1340      460     7487.24    560.1     520     7150.53    109.5     850
  21  17300   3619.05   13663    10300      6026.43   3210      810      6059.69   1340      450     7487.89    565.0     510     7150.79    109.7     830
  22  17100   3619.20   13679    10400      6026.49   3220      810      6060.25   1350      460     7488.62    570.7     490     7150.90    109.8     870
  23  17100   3619.37   13697    10600      6026.57   3220      810      6060.70   1360      460     7489.19    575.1     360     7150.71    109.6     760
  24  18600   3619.54   13715     9800      6026.59   3220      810      6061.00   1360      460     7489.61    578.3     400     7150.29    109.3     840
  25  20800   3619.78   13740     9500      6026.61   3220      810      6061.30   1360      460     7489.91    580.6     610     7150.06    109.1     930
  26  19300   3619.94   13757    10400      6026.61   3220      810      6061.51   1370      470     7490.12    582.3     660     7149.84    109.0     960
  27  17900   3620.09   13773    10300      6026.65   3220      810      6061.80   1370      470     7490.33    583.9     880     7149.72    108.9    1190
  28  18200   3620.19   13783     9800      6026.69   3220      810      6062.13   1380      470     7490.50    585.2     970     7149.51    108.7    1290
  29  18500   3620.37   13802     9800      6026.71   3220      810      6062.49   1380      470     7490.68    586.6     940     7150.37    109.4     850
  30  18800   3620.50   13816    10300      6026.69   3220      810      6062.79   1380      480     7490.80    587.6     940     7149.84    109.0    1360

TOT  361200                     303600                        24760                        14130                        22920                        27500
AVE   12040                      10120                          830                          470                          760                          920
A F  716400                     602000                        49000                        28000                        45500                        54500







                                          BUREAU OF RECLAMATION
                                          LOWER COLORADO REGION
                                          BOULDER CITY, NEVADA

                                     GLEN CANYON TO HOOVER DAM LOSSES

                                                APRIL 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        10300       18200     11538       -12       524       690      -393     -2676     -5306     13000
      2        10400       17800     11523       -15       541       690      -492      -653     -6602     11000
      3         9900       14500     11516        -7       562       690      -229     -1670     -9914     12000
      4         9500       12000     11517         1       518       690        33     -3357    -16572     13700
      5        10400       16700     11507       -10       526       690      -328     -2623    -21775     12500
      6        10400       18700     11495       -12       563       690      -393     -4034    -29776     13500
      7        10400       19100     11479       -16       555       690      -524     -1395    -32542     11800
      8        10400       17700     11468       -11       555       690      -360     -2643    -37784     13000
      9        10300       12500     11465        -3       543       690       -98     -1692    -41140     12100
     10         9900       11500     11467         2       553       690        66     -3407    -47898     13800
     11         9500       12600     11464        -3       526       690       -98     -1885    -51636     12200
     12        10400       16600     11455        -9       555       690      -295     -3095    -57774     13000
     13        10400       15100     11447        -8       572       690      -262     -2597    -62925     12100
     14        10300       15700     11437       -10       573       690      -328     -1167    -65239     11600
     15        10500       16900     11429        -8       574       690      -262     -3477    -72136     13900
     16        10300       15400     11421        -8       564       690      -262     -2101    -76304     12400
     17         9900       12600     11422         1       573       690        33     -3943    -84124     14400
     18         9400       13400     11419        -3       571       690       -98     -2746    -89572     13100
     19        10400       16500     11409       -10       553       690      -328     -2426    -94384     12400
     20         9400       18500     11392       -17       565       690      -557     -1214    -96792     10600
     21        10300       13800     11392         0       600       690         0     -4724   -106162     15100
     22        10400       14700     11386        -6       634       690      -197     -3396   -112897     12800
     23        10600       16700     11377        -9       583       690      -295     -2839   -118529     13100
     24         9800       12600     11379         2       576       690        66     -4554   -127561     14900
     25         9500       15100     11373        -6       552       690      -197     -2533   -132585     13100
     26        10400       20100     11354       -19       574       690      -623     -1369   -135300     11200
     27        10300       17600     11335       -19       564       690      -623       821   -133670      8650
     28         9800       15600     11327        -8       589       690      -262     -2203   -138039     12600
     29         9800       14500     11325        -2       598       690       -66     -4426   -146819     14700
     30        10300       17900     11313       -12       633       690      -393     -3011   -152790     12800

    TOTAL     303500      470380                         16969     20700                       -152791    381000









  

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Contact: Water Operations Control Center
Updated: March 2011

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