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  	                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA

                                                               ACCUMULATIONS FOR APRIL 2006

    |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   10200   20231   1139.40  14696  29149   29149  12427  426  641.84  12600  24985   24985  3080  1456   1456    447.15  12790  25364    25364   1655   5341   5341
  2    9500   39074   1139.33  15309  30364   59513  12865  424  642.09  12480  24749   49734  3064  1511   2967    446.85  12480  24756    50120   1608   5298  10639
  3   10400   59702   1139.15  20126  39919   99432  17085  428  642.25  17090  33899   83633  4234  2005   4973    446.36  13980  27733    77853   1787   5460  16100
  4   10300   80132   1138.91  21862  43363  142795  18684  431  642.39  17110  33932  117565  4231  2007   6980    446.35  13440  26657   104510   1702   5478  21578
  5   10300  100562   1138.73  18504  36702  179497  15683  427  642.59  17100  33921  151486  4244  2005   8985    446.61   9990  19810   124320   1295   5651  27229
  6   10300  120992   1138.63  17470  34652  214149  14768  426  642.55  17150  34014  185500  4246  2023  11008    447.12   9000  17847   142167   1180   5671  32900
  7   10300  141421   1138.58  14740  29237  243386  12297  421  642.39  17110  33934  219434  4232  1989  12998    447.27  11570  22943   165110   1504   5474  38374
  8   10200  161653   1138.52  13186  26155  269541  10808  413  642.20  14610  28976  248410  3608  2019  15017    447.35  11970  23739   188849   1555   5415  43789
  9    9500  180496   1138.42  12348  24491  294032  10057  411  642.14  15050  29848  278258  3718  2081  17098    447.02  13520  26812   215661   1745   5464  49254
 10   10400  201124   1138.33  17806  35318  329350  14818  420  642.23  16530  32794  311052  4058  1952  19049    447.04  12470  24739   240400   1609   5415  54668
 11   10200  221355   1138.17  18091  35882  365232  15105  421  642.01  16520  32761  343813  4076  2009  21059    447.29  11430  22669   263069   1480   5207  59875
 12   10300  241785   1138.07  15137  30023  395255  12573  419  641.76  16520  32770  376583  4067  1999  23058    447.23  12950  25679   288748   1680   5413  65288
 13   10300  262215   1138.03  13280  26341  421596  10951  416  641.59  16900  33529  410112  4162  2001  25059    447.43  11000  21818   310566   1447   4913  70201
 14   10300  282645   1137.88  14721  29199  450795  12295  421  641.38  16900  33517  443629  4148  2017  27076    447.67  13510  26801   337367   1742   5403  75604
 15   10200  302876   1137.96   8007  15882  466677   6264  394  640.92  13720  27212  470841  3365  2021  29098    447.37  12980  25747   363114   1670   5911  81515
 16    9500  321719   1137.99   9157  18162  484839   7232  398  640.94  12420  24637  495478  3021  2007  31105    446.84  13520  26826   389940   1727   5712  87227
 17   10300  342149   1137.85  20109  39886  524725  16855  423  641.39  14920  29592  525070  3631  2001  33106    446.32  14000  27776   417716   1780   5597  92824
 18   10300  362578   1137.65  18941  37568  562293  15925  424  641.39  16920  33566  558636  4152  1999  35105    446.24  12980  25737   443453   1642   5181  98005
 19   10300  383008   1137.42  22038  43711  606004  18598  425  641.39  18110  35924  594560  4464  2001  37107    446.43  11990  23782   467235   1529   5167 103172
 20   10300  403438   1137.30  17162  34040  640044  14474  425  641.29  18110  35930  630490  4457  2527  39634    446.48  12590  24976   492211   1604   5702 108875
 21   10300  423868   1137.19  19000  37685  677729  16048  426  641.41  18130  35951  666441  4454  2473  42107    446.55  12900  25580   517791   1640   5710 114585
 22   10200  444099   1137.09  15015  29782  707512  12607  423  641.41  18090  35889  702330  4443  2507  44614    446.55  13720  27211   545002   1737   5802 120387
 23    9400  462744   1137.08  11136  22087  729599   8929  404  641.22  18300  36294  738624  4443  2497  47111    446.58  13790  27348   572350   1739   6052 126438
 24   10300  483174   1136.85  21803  43245  772844  18114  419  641.58  17460  34635  773259  4240  2509  49620    446.87  11980  23764   596114   1535   6135 132573
 25   10300  503603   1136.69  20565  40790  813634  17210  422  641.18  17330  34364  807623  4202  2465  52086    446.98  11330  22480   618594   1467   5460 138034
 26   10300  524033   1136.54  18266  36230  849863  15485  427  641.00  15860  31464  839087  3774  1311  53397    447.32   9980  19797   638391   1321   4871 142905
 27   10300  544463   1136.32  20595  40849  890712  17143  420  641.50  14080  27929  867016  3395  2027  55424    447.55   8990  17831   656222   1188   5927 148832
 28   10300  564893   1136.15  19887  39445  930158  16687  423  641.75  13990  27747  894763  3381  2077  57501    447.49   9790  19426   675648   1321   5578 154409
 29   10000  584727   1136.03  16302  32335  962492  13564  419  641.94  14050  27864  922627  3415  2541  60042    447.26  11960  23728   699376   1549   5716 160126
 30    9300  603173   1135.94  13929  27627  990119  11414  413  641.78  15390  30524  953151  3761  2515  62557    446.83  12970  25725   725101   1667   5873 165999

TOTAL                                               416966                                   117767                                                47104










                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA

                                                     AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR APRIL 2006

                                        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    33610.6  27271.5    1139.40      15329       14700   641.84     1667.1    12600    447.15      563.9    12800      232.62     6573        0      309
       2    33605.5  27276.5    1139.33      15322       15300   642.09     1673.9    12500    446.85      558.3    12500      235.81     7626      583        0
       3    33579.5  27302.5    1139.15      15303       20100   642.25     1678.2    17100    446.36      549.3    14000      234.75     7267      225      380
       4    33557.8  27324.3    1138.91      15277       21900   642.39     1682.0    17100    446.35      549.1    13400      235.55     7538      208        0
       5    33555.8  27326.2    1138.73      15258       18500   642.59     1687.5    17100    446.61      553.9     9990      240.01     9148      938        0
       6    33554.3  27327.7    1138.63      15248       17500   642.55     1686.4    17100    447.12      563.4     9000      239.90     9106       88        0
       7    33542.6  27339.5    1138.58      15242       14700   642.39     1682.0    17100    447.27      566.2    11600      239.85     9088       93        0
       8    33535.4  27346.6    1138.52      15236       13200   642.20     1676.9    14600    447.35      567.7    12000      239.55     8975       38        0
       9    33522.1  27359.9    1138.42      15226       12300   642.14     1675.2    15000    447.02      561.5    13500      239.95     9125      195        0
      10    33522.1  27359.9    1138.33      15216       17800   642.23     1677.7    16500    447.04      561.9    12500      238.24     8488        0      192
      11    33512.6  27369.5    1138.17      15199       18100   642.01     1671.7    16500    447.29      566.6    11400      234.12     7057        0      746
      12    33500.9  27381.1    1138.07      15188       15100   641.76     1664.9    16500    447.23      565.4    12900      230.83     6022        0      593
      13    33506.9  27375.1    1138.03      15184       13300   641.59     1660.3    16900    447.43      569.2    11000      226.65     4842        0      602
      14    33500.1  27382.0    1137.88      15169       14700   641.38     1654.7    16900    447.67      573.8    13500      225.68     4589      247      359
      15    33513.4  27368.6    1137.96      15177        8010   640.92     1642.2    13700    447.37      568.1    13000      228.30     5290      366        0
      16    33525.0  27357.0    1137.99      15180        9160   640.94     1642.8    12400    446.84      558.2    13500      235.78     7616     1272        0
      17    33540.0  27342.0    1137.85      15165       20100   641.39     1654.9    14900    446.32      548.6    14000      234.88     7310       58      157
      18    33545.4  27336.6    1137.65      15145       18900   641.39     1654.9    16900    446.24      547.1    13000      235.55     7538      181        0
      19    33553.8  27328.2    1137.42      15121       22000   641.39     1654.9    18100    446.43      550.6    12000      234.47     7173        0      123
      20    33568.8  27313.2    1137.30      15108       17200   641.29     1652.2    18100    446.48      551.5    12600      232.05     6394        0      370
      21    33594.8  27287.2    1137.19      15097       19000   641.41     1655.5    18100    446.55      552.8    12900      227.02     4939        0      736
      22    33614.1  27267.9    1137.09      15086       15000   641.41     1655.5    18100    446.55      552.8    13700      222.16     3738        0      610
      23    33641.0  27241.1    1137.08      15085       11100   641.22     1650.3    18300    446.58      553.4    13800      228.37     5310      830        0
      24    33659.4  27222.7    1136.85      15061       21800   641.58     1660.1    17500    446.87      558.7    12000      233.07     6715      767        0
      25    33661.8  27220.3    1136.69      15044       20600   641.18     1649.3    17300    446.98      560.7    11300      236.31     7800      658        0
      26    33676.8  27205.2    1136.54      15029       18300   641.00     1644.4    15900    447.32      567.1     9980      239.84     9084      802        0
      27    33698.0  27184.0    1136.32      15006       20600   641.50     1657.9    14100    447.55      571.5     8990      239.97     9133      150        0
      28    33716.0  27166.0    1136.15      14988       19900   641.75     1664.7    14000    447.49      570.4     9790      239.48     8948       34       24
      29    33732.3  27149.7    1136.03      14975       16300   641.94     1669.8    14000    447.26      566.0    12000      235.37     7476        0      712
      30    33747.1  27134.9    1135.94      14966       13900   641.78     1665.5    15400    446.83      558.0    13000      229.51     5633        0      942

TOTAL                                                   499070                       480300                        365650                          7733     6855
AVE.                                                     16640                        16010                         12190                           258      228
AC FT                                                   990000                       953000                        725000                         15338    13597

      * 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 2006

                   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   8100   3588.72   10705    10200      6021.19   3020     1430      6071.68   1500      350     7487.97    565.7      10     7145.95    106.0     990
   2   8600   3588.73   10706     9500      6021.18   3020     1440      6071.71   1500      350     7487.91    565.2     900     7146.09    106.1     900
   3   8500   3588.71   10704    10400      6021.17   3020     1420      6071.68   1500      350     7487.80    564.3    1040     7146.38    106.3    1010
   4   8700   3588.70   10703    10300      6021.16   3020     1400      6071.71   1500      350     7487.78    564.2     940     7146.41    106.3     990
   5   9000   3588.75   10708    10300      6021.17   3020     1410      6071.75   1500      350     7487.77    564.1    1150     7147.08    106.8    1020
   6   8700   3588.74   10707    10300      6021.15   3020     1410      6071.83   1510      350     7487.65    563.2    1570     7148.92    108.2     970
   7   9000   3588.66   10700    10300      6021.15   3020     1400      6071.92   1510      350     7487.58    562.7    1130     7149.30    108.5    1090
   8  10000   3588.66   10700    10200      6021.17   3020     1400      6071.98   1510      350     7487.82    564.5       0     7146.78    106.6    1070
   9  10900   3588.70   10703     9500      6021.15   3020     1410      6072.01   1510      350     7487.95    565.5     610     7146.19    106.1     970
  10  11000   3588.74   10707    10400      6021.17   3020     1410      6072.02   1510      350     7487.94    565.4    1200     7147.00    106.8    1020
  11  11000   3588.79   10711    10200      6021.17   3020     1410      6072.09   1510      350     7488.06    566.3    1040     7147.22    106.9    1110
  12  11700   3588.83   10715    10300      6021.18   3020     1410      6072.13   1510      350     7488.11    566.7    1110     7147.48    107.1    1150
  13  12900   3588.91   10722    10300      6021.19   3020     1410      6072.19   1510      350     7488.19    567.3    1290     7148.05    107.6    1280
  14  14400   3588.96   10727    10300      6021.20   3020     1410      6072.31   1510      350     7488.41    569.0    1080     7148.30    107.8    1220
  15  14200   3589.14   10743    10200      6021.21   3020     1410      6072.46   1510      350     7488.99    573.5      80     7146.58    106.4    1020
  16  14400   3589.27   10755     9500      6021.22   3020     1400      6072.58   1520      350     7489.10    574.4    1580     7147.15    106.9    1600
  17  16500   3589.50   10775    10300      6021.23   3020     1410      6072.70   1520      350     7489.26    575.6    1370     7148.14    107.6    1250
  18  19800   3589.74   10797    10300      6021.21   3020     1410      6072.88   1520      350     7489.54    577.8    1200     7148.55    108.0    1280
  19  19900   3589.99   10820    10300      6021.27   3020     1410      6073.00   1520      350     7489.69    578.9    1300     7148.97    108.3    1350
  20  19800   3590.28   10846    10300      6021.27   3020     1410      6073.12   1520      350     7489.77    579.6    1450     7149.56    108.7    1440
  21  21200   3590.60   10875    10300      6021.31   3030     1460      6073.19   1530      350     7489.90    580.6    1390     7150.23    109.3    1360
  22  21100   3590.88   10900    10200      6021.35   3030     1440      6073.27   1530      350     7490.36    584.1     200     7147.58    107.2    1500
  23  20400   3591.17   10927     9400      6021.39   3030     1420      6073.39   1530      350     7490.56    585.7    1570     7149.00    108.3    1350
  24  20500   3591.42   10950    10300      6021.37   3030     1410      6073.51   1530      350     7490.82    587.7    1470     7149.94    109.0    1430
  25  20900   3591.65   10971    10300      6021.43   3030     1410      6073.60   1530      350     7491.11    590.0    1210     7150.09    109.1    1400
  26  21200   3591.90   10993    10300      6021.49   3030     1410      6073.71   1530      350     7491.29    591.4    1380     7151.01    109.9    1300
  27  21600   3592.13   11014    10300      6021.53   3030     1410      6073.80   1530      350     7491.54    593.4    1260     7151.44    110.2    1390
  28  19900   3592.39   11038    10300      6021.57   3040     1400      6073.90   1540      350     7491.84    595.7    1350     7152.26    110.8    1350
  29  19300   3592.64   11061    10000      6021.59   3040     1410      6073.99   1540      350     7492.42    600.3       0     7149.46    108.7    1390
  30  20700   3592.99   11093     9300      6021.59   3040     1420      6074.09   1540      350     7492.66    602.2    1200     7149.60    108.8    1430

TOT  453900                     304100                        42410                        10500                        31080                        36630
AVE   15130                      10140                         1410                          350                         1040                         1220
A F  900300                     603000                        84000                        20800                        61600                        72700







                                          BUREAU OF RECLAMATION
                                          LOWER COLORADO REGION
                                          BOULDER CITY, NEVADA

                                     GLEN CANYON TO HOOVER DAM LOSSES

                                                APRIL 2006

                      |           | 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        10200       14700     15329        -8       549       812      -262     -2112     -4189     11800
      2         9500       15300     15322        -7       526       812      -229     -3737    -11601     12900
      3        10400       20100     15303       -19       545       812      -623     -1047    -13677     11300
      4        10300       21900     15277       -26       535       812      -852       186    -13308      9290
      5        10300       18500     15258       -19       507       812      -623       737    -11845      9620
      6        10300       17500     15248       -10       608       812      -328     -3298    -18387     13600
      7        10300       14700     15242        -6       610       812      -197     -2627    -23598     12900
      8        10200       13200     15236        -6       607       812      -197     -1071    -25722     11400
      9         9500       12300     15226       -10       569       812      -328      2022    -21711      8310
     10        10400       17800     15216       -10       607       812      -328     -3684    -29017     13800
     11        10200       18100     15199       -17       564       812      -557      -869    -30741     10300
     12        10300       15100     15188       -11       611       812      -360      -265    -31266     10600
     13        10300       13300     15184        -4       757       812      -131     -2487    -36199     12700
     14        10300       14700     15169       -15       726       812      -492      2148    -31938      8180
     15        10200        8010     15177         8       719       812       262     -3574    -39028     13800
     16         9500        9160     15180         3       601       812        98     -1869    -42734     12200
     17        10300       20100     15165       -15       558       812      -492     -3251    -49182     13400
     18        10300       18900     15145       -20       587       812      -655       -74    -49330      9560
     19        10300       22000     15121       -24       571       812      -786      -193    -49713     10500
     20        10300       17200     15108       -13       595       812      -426     -1303    -52296     11600
     21        10300       19000     15097       -11       601       812      -360     -4188    -60602     14500
     22        10200       15000     15086       -11       618       812      -360      -201    -61002     10500
     23         9400       11100     15085        -1       612       812       -33     -1684    -64341     12000
     24        10300       21800     15061       -24       621       812      -786      -188    -64714     10300
     25        10300       20600     15044       -17       660       812      -557     -3504    -71663     12900
     26        10300       18300     15029       -15       672       812      -492     -1453    -74545     11700
     27        10300       20600     15006       -23       613       812      -754       634    -73287      9680
     28        10300       19900     14988       -18       638       812      -590     -1425    -76113     11700
     29        10000       16300     14975       -13       675       812      -426      -482    -77068     10800
     30         9300       13900     14966        -9       694       812      -295      -228    -77521     10600

    TOTAL     304000      499190                         18356     24360                        -77521    342600









  

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Contact: Water Operations Control Center
Updated: March 2011

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