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                                                           ACCUMULATIONS FOR MAY 2015



    |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   11900   23603   1078.86  17518  34746   34746  13524  389  643.87  16760  33250   33250  4221  3668   3668    448.21  10810  21435    21435   1499   5663   5663
  2   11100   45620   1078.86   9948  19731   54477   7646  388  643.27  17140  34002   67252  4310  3815   7483    448.17  12300  24389    45824   1713   5696  11359
  3   10100   65653   1078.95   7976  15821   70298   6055  383  642.65  17140  33992  101244  4284  3377  10860    448.11  12190  24188    70012   1696   7192  18551
  4   11800   89058   1078.83  14102  27970   98268  10898  390  642.42  17290  34302  135546  4308  3366  14226    448.17  11000  21827    91839   1530   5664  24215
  5   12000  112859   1078.79  15069  29890  128158  11668  390  642.24  16170  32070  167616  4050  3363  17589    448.60  10010  19859   111698   1405   5695  29910
  6   11800  136264   1078.55  18276  36250  164408  14175  391  642.43  14610  28982  196598  3624  3409  20998    448.64   9500  18852   130550   1310   5669  35579
  7   11900  159868   1078.32  18002  35707  200115  13881  389  642.72  13600  26976  223574  3380  3399  24397    448.80   7500  14881   145431   1026   5691  41270
  8   11900  183471   1078.10  21441  42527  242642  16564  389  643.22  14000  27778  251352  3492  3399  27796    448.98   8010  15882   161313   1090   5325  46595
  9   11100  205488   1078.01  14524  28808  271450  11222  390  643.26  13980  27732  279084  3498  3463  31259    449.01   8990  17838   179151   1249   5791  52386
 10   10000  225322   1077.95  14551  28861  300311  11319  392  643.17  14970  29700  308784  3749  3403  34662    448.97   9690  19227   198378   1338   7205  59591
 11   11700  248529   1077.80  18456  36608  336919  14223  389  643.33  14990  29736  338520  3758  3418  38080    449.07   9800  19447   217825   1381   5676  65267
 12   11700  271736   1077.61  16775  33272  370190  12861  387  643.45  13990  27758  366278  3495  3489  41569    449.19   9800  19445   237270   1374   1805  67072
 13   11700  294942   1077.31  21047  41746  411936  16228  389  644.04  12970  25726  392004  3247  3426  44995    449.30   9490  18821   256091   1350   3868  70940
 14   11800  318347   1077.05  20686  41031  452967  15918  388  644.45  12990  25760  417764  3270  3432  48427    449.29   8000  15862   271953   1124   5675  76615
 15   11800  341752   1076.91  15771  31282  484249  12135  388  644.71  11970  23738  441502  3017  3446  51873    449.36   8020  15917   287870   1121   5708  82323
 16   11000  363570   1076.96  10373  20575  504824   7859  382  644.75   8990  17822  459324  2272  3426  55299    449.52   5410  10735   298605    755   5680  88003
 17   10000  383405   1076.98  11175  22165  526990   8523  385  644.75  11480  22776  482100  2898  3457  58756    449.42   6000  11904   310509    839   7213  95216
 18   11800  406810   1076.91  13340  26460  553450  10193  385  644.95  10000  19826  501926  2538  3428  62184    449.52   5010   9929   320438    696   5706 100922
 19   11900  430413   1076.93  11824  23453  576902   9015  384  644.85  11970  23746  525672  3032  3509  65693    449.28   8300  16470   336908   1173   5687 106609
 20   11800  453818   1076.82  14019  27807  604709  10730  386  644.83  13590  26946  552618  3447  3416  69109    449.10   9800  19433   356341   1372   5710 112319
 21   11800  477223   1076.78  13893  27556  632265  10651  387  644.61  15370  30488  583106  3894  3409  72518    449.29   7200  14289   370630   1016   5687 118006
 22   11900  500827   1076.70  12527  24846  657111   9508  383  644.51  15380  30509  613615  3888  3474  75992    449.23  10020  19873   390503   1419   5018 123024
 23   11200  523041   1076.75  11083  21983  679094   8458  385  644.26  13590  26960  640575  3444  3448  79440    449.45   9010  17865   408368   1262   5472 128496
 24   10100  543074   1076.81   9428  18701  697795   7158  383  644.09  12580  24956  665531  3186  3492  82932    449.38   9000  17858   426226   1262   7198 135694
 25   10200  563306   1076.85   8883  17620  715415   6607  375  643.76  12960  25714  691245  3273  3468  86400    449.23   9500  18840   445066   1331   5710 141404
 26   11900  586909   1076.77  14273  28310  743725  10906  385  643.91  12000  23802  715047  3019  3493  89893    449.01  10600  21020   466086   1503   5685 147089
TOTAL                                               287925                                    90596                                                32834

                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA
                                                          AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR MAY 2015

                                         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    28344.3  32780.7    1078.86       9917       17500   643.87     1722.6    16800    448.21      584.2    10800      235.00     7350        0      222
       2    28327.2  32797.9    1078.86       9917        9950   643.27     1706.0    17100    448.17      583.3    12300      235.00     7350        0      222
       3    28319.2  32805.9    1078.95       9924        7980   642.65     1689.1    17100    448.11      582.1    12200      235.65     7572      227        0
       4    28300.5  32824.6    1078.83       9914       14100   642.42     1682.8    17300    448.17      583.3    11000      236.47     7856      215        0
       5    28301.9  32823.2    1078.79       9911       15100   642.24     1678.0    16200    448.60      591.6    10000      237.73     8303      321        0
       6    28299.2  32825.9    1078.55       9891       18300   642.43     1683.1    14600    448.64      592.5     9500      237.02     8048        0       50
       7    28299.2  32825.9    1078.32       9872       18000   642.72     1691.1    13600    448.80      595.6     7500      236.60     7901        0        0
       8    28317.4  32807.7    1078.10       9854       21400   643.22     1704.9    14000    448.98      599.1     8010      236.18     7754        0        0
       9    28343.7  32781.3    1078.01       9847       14500   643.26     1705.8    14000    449.01      599.5     8990      236.09     7723       58        0
      10    28371.9  32753.1    1077.95       9842       14600   643.17     1703.5    15000    448.97      598.8     9690      236.46     7852       63        0
      11    28395.6  32729.4    1077.80       9830       18500   643.33     1707.9    15000    449.07      600.7     9800      236.06     7712        0        0
      12    28410.3  32714.8    1077.61       9814       16800   643.45     1710.9    14000    449.19      603.1     9800      235.17     7408        0       98
      13    28430.2  32694.9    1077.31       9789       21000   644.04     1727.3    13000    449.30      605.5     9490      234.78     7276        0        0
      14    28439.9  32685.1    1077.05       9768       20700   644.45     1738.6    13000    449.29      605.3     8000      234.45     7167        0        0
      15    28461.4  32663.7    1076.91       9757       15800   644.71     1745.9    12000    449.36      606.6     8020      238.53     8595      796        0
      16    28492.7  32632.3    1076.96       9761       10400   644.75     1746.9     8990    449.52      609.8     5410      239.44     8933      304        0
      17    28516.5  32608.6    1076.98       9762       11200   644.75     1747.0    11500    449.42      607.8     6000      239.75     9050      163        0
      18    28537.3  32587.8    1076.91       9757       13300   644.95     1752.4    10000    449.52      609.8     5010      239.26     8866        2        0
      19    28559.2  32565.8    1076.93       9758       11800   644.85     1749.8    12000    449.28      605.0     8300      237.17     8102        0      333
      20    28578.9  32546.2    1076.82       9749       14000   644.83     1749.2    13600    449.10      601.4     9800      235.98     7684        0      154
      21    28604.2  32520.8    1076.78       9746       13900   644.61     1743.0    15400    449.29      605.2     7200      234.34     7130        0      237
      22    28641.6  32483.4    1076.70       9739       12500   644.51     1740.4    15400    449.23      603.9    10000      234.24     7097       31        0
      23    28684.3  32440.8    1076.75       9744       11100   644.26     1733.5    13600    449.45      608.5     9010      237.30     8149      586        0
      24    28732.8  32392.2    1076.81       9748        9430   644.09     1728.8    12600    449.38      606.9     9000      237.57     8245      128        0
      25    28781.4  32343.6    1076.85       9752        8880   643.76     1719.5    13000    449.23      603.9     9500      237.15     8095        0        0
      26    28825.0  32300.1    1076.77       9745       14300   643.91     1723.9    12000    449.01      599.6    10600      236.76     7957        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 MAY 2015

                   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   7900   3590.09   10829    11900      6026.43   3210     1010      6045.17   1170      610     7492.06    597.5    1130     7150.72    109.6    1240
   2  10000   3590.06   10826    11100      6026.49   3220     1020      6045.13   1170      610     7492.10    597.8    1270     7151.16    110.0    1220
   3   9100   3590.03   10823    10100      6026.57   3220     1010      6045.13   1170      610     7492.24    598.9    1120     7151.26    110.1    1260
   4   7800   3589.94   10815    11800      6026.59   3220     1010      6045.19   1170      480     7492.41    600.2    1090     7151.26    110.1    1230
   5   8000   3589.85   10807    12000      6026.69   3220     1010      6045.38   1170      330     7492.60    601.7    1130     7151.26    110.1    1320
   6  12200   3589.85   10807    11800      6026.75   3230     1010      6045.68   1180      330     7492.75    602.9    1810     7152.68    111.2    1570
   7  10800   3589.82   10804    11900      6026.81   3230     1010      6045.95   1180      330     7492.93    604.3    1810     7153.53    111.8    1770
   8  16700   3589.91   10812    11900      6026.89   3230     1010      6046.17   1180      330     7493.03    605.1    1950     7152.82    111.3    2500
   9  21800   3590.12   10831    11100      6027.03   3240     1010      6046.37   1180      330     7492.97    604.6    2500     7152.12    110.7    3030
  10  23800   3590.39   10856    10000      6027.11   3240     1010      6046.61   1190      320     7492.95    604.5    2180     7151.83    110.5    2580
  11  22500   3590.60   10875    11700      6027.17   3240     1970      6046.84   1190      320     7492.96    604.6    1910     7152.67    111.2    1840
  12  22100   3590.80   10893    11700      6027.17   3240     3240      6046.96   1190      320     7493.06    605.4    1430     7152.84    111.3    1560
  13  26000   3591.08   10919    11700      6027.03   3240     5740      6047.06   1190      330     7493.22    606.6    1070     7152.77    111.2    1330
  14  26600   3591.37   10945    11800      6026.75   3230     7230      6047.08   1190      330     7493.40    608.1    1040     7152.81    111.3    1200
  15  25700   3591.64   10970    11800      6026.57   3220     7500      6047.30   1190      330     7493.58    609.5    1040     7152.80    111.3    1250
  16  24400   3591.90   10993    11000      6026.35   3210     7500      6047.60   1200      330     7493.77    611.0    1030     7152.99    111.4    1250
  17  24400   3592.18   11019    10000      6026.07   3200     7500      6048.00   1200      340     7493.94    612.3    1060     7153.24    111.6    1250
  18  23700   3592.41   11040    11800      6025.79   3190     7500      6048.36   1210      340     7494.16    614.1     900     7153.04    111.5    1140
  19  25300   3592.67   11064    11900      6025.61   3180     7490      6048.81   1210      340     7494.38    615.8    1020     7153.15    111.5    1250
  20  28200   3592.99   11093    11800      6025.39   3170     7500      6049.31   1220      340     7494.69    618.3     840     7152.95    111.4    1120
  21  26700   3593.28   11120    11800      6025.21   3170     6760      6049.74   1220      340     7495.00    620.8     910     7152.69    111.2    1180
  22  33900   3593.71   11160    11900      6025.15   3170     5740      6050.16   1230      350     7495.24    622.7    1040     7152.86    111.3    1230
  23  29300   3594.06   11192    11200      6025.11   3160     4750      6050.52   1230      350     7495.52    625.0     960     7152.73    111.2    1230
  24  31200   3594.47   11230    10100      6025.15   3170     4220      6050.85   1240      350     7495.81    627.3     960     7152.65    111.1    1210
  25  33300   3594.92   11272    10200      6025.23   3170     3790      6051.21   1240      350     7496.15    630.0     960     7153.10    111.5    1090
  26  31100   3595.29   11306    11900      6025.33   3170     3430      6051.55   1240      350     7496.50    632.8     830     7153.03    111.4    1110
                                        GLEN CANYON TO HOOVER DAM LOSSES

                                             MAY 2015

                      |           | 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        11900       17500      9917       -14       675       711      -459      -918     -1820     11369
      2        11100        9950      9917         0       628       711         0      -827     -3460     11289
      3        10100        7980      9924         7       650       711       229     -1153     -5747     13100
      4        11800       14100      9914       -10       662       711      -328      1011     -3741     10104
      5        12000       15100      9911        -3       699       711       -98     -4773    -13207     14899
      6        11800       18300      9891       -20       702       710      -655      2812     -7630      8973
      7        11900       18000      9872       -19       698       710      -623      2788     -2099      9206
      8        11900       21400      9854       -18       676       709      -590     -1313     -4704     13120
      9        11100       14500      9847        -7       662       708      -229      -249     -5198     12111
     10        10000       14600      9842        -5       647       708      -164     -1410     -7995     13270
     11        11700       18500      9830       -12       637       708      -393     -2321    -12598     13402
     12        11700       16800      9814       -16       675       707      -524       430    -11746      9591
     13        11700       21000      9789       -25       689       707      -819      2764     -6264      8973
     14        11800       20700      9768       -21       698       706      -688       918     -4444     10828
     15        11800       15800      9757       -11       707       705      -360       439     -3572     11306
     16        11000       10400      9761         4       699       705       131     -2122     -7782     13952
     17        10000       11200      9762         1       696       705        33     -1309    -10378     13138
     18        11800       13300      9757        -5       673       705      -164      -959    -12279     11993
     19        11900       11800      9758         1       614       705        33     -3638    -19496     13656
     20        11800       14000      9749        -9       611       705      -295      1360    -16799     10484
     21        11800       13900      9746        -3       630       705       -98     -1730    -20230     13624
     22        11900       12500      9739        -7       631       705      -229      1707    -16844     10077
     23        11200       11100      9744         5       664       705       164     -3361    -23510     15154
     24        10100        9430      9748         4       658       705       131     -1036    -25566     12941
     25        10200        8880      9752         4       630       705       131     -1141    -27829     12363
     26        11900       14300      9745        -7       673       705      -229     -1813    -31425     11919
    TOTAL     296100      375000                         17284     18388                        -31426    310842

E


(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