LOWER COLORADO RIVER DAILY REPORT: Current Month
(Daily Data)
You may now access this data in a machine readable (JSON) format at this link. The link is updated hourly with our most recent daily data for the last 365 days.
ACCUMULATIONS FOR MAY 2026
|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 7600 15074 1056.02 17584 34877 34877 12840 368 643.44 14500 28753 28753 3688 2480 2480 448.42 9640 19130 19130 1330 5529 5529
2 7200 29355 1055.78 15953 31642 66519 11593 366 643.46 15470 30680 59433 3931 2796 5276 448.33 11540 22888 42018 1569 5519 11048
3 7200 43636 1055.54 15506 30756 97275 11277 367 643.32 15420 30590 90023 3921 2795 8071 448.14 11570 22956 64974 1573 5501 16549
4 7600 58711 1055.30 15999 31734 129009 11583 365 643.43 15450 30648 120671 3928 2823 10894 448.13 10580 20980 85954 1431 5526 22075
5 7600 73785 1055.10 14119 28004 157013 10191 364 643.26 14320 28408 149079 3625 2831 13725 448.16 10240 20308 106262 1389 5512 27587
6 7600 88860 1054.96 12307 24411 181424 8829 362 643.22 13890 27558 176637 3527 2834 16559 448.22 10230 20298 126560 1396 5497 33084
7 7700 104132 1054.79 13978 27725 209149 10093 364 643.20 13830 27436 204073 3520 2850 19409 448.60 6690 13271 139831 870 4498 37582
8 7700 119405 1054.62 14019 27807 236956 10176 366 643.16 13840 27447 231520 3522 2851 22260 448.61 10940 21696 161527 1453 3096 40678
9 7200 133686 1054.47 12860 25508 262464 9301 365 643.09 13850 27479 258999 3524 2836 25096 448.37 12060 23912 185439 1619 3118 43796
10 7200 147967 1054.36 11826 23457 285921 8482 362 642.97 13860 27495 286494 3526 2836 27932 448.25 11640 23090 208529 1564 4420 48216
11 7600 163041 1054.06 18528 36750 322671 13430 365 643.23 13460 26704 313198 3427 2793 30725 448.36 9810 19453 227982 1333 4427 52643
12 7700 178314 1053.69 20179 40025 362696 14696 367 643.65 13050 25888 339086 3329 2782 33507 448.28 9810 19456 247438 1320 4549 57192
13 7600 193388 1053.41 17359 34431 397127 12696 369 643.87 14250 28269 367355 3641 2781 36288 448.27 9630 19103 266541 1324 4558 61750
14 7600 208463 1053.13 16723 33169 430296 12203 368 643.98 14250 28258 395613 3642 2748 39036 448.65 7010 13901 280442 929 4555 66305
15 7600 223537 1052.90 15794 31326 461622 11484 367 644.02 14250 28266 423879 3641 2732 41768 448.50 12270 24340 304782 1671 3075 69380
16 7100 237620 1052.68 13983 27734 489356 10167 367 644.01 14240 28245 452124 3641 2732 44500 448.38 11890 23588 328370 1609 3097 72477
17 7100 251702 1052.49 15903 31544 520900 11543 366 644.29 14420 28597 480721 3683 2733 47233 448.33 11760 23325 351695 1599 3081 75558
18 7600 266777 1052.36 9419 18683 539583 6728 360 643.93 11860 23530 504251 3030 2738 49971 448.47 11200 22214 373909 1526 622 76180
19 7800 282248 1052.22 12457 24708 564291 8907 360 643.82 11860 23526 527777 3026 2770 52741 448.32 11220 22261 396170 1526 629 76809
20 7600 297322 1052.08 12443 24680 588971 8914 361 643.84 11900 23603 551380 3036 2784 55525 448.32 10550 20919 417089 1432 610 77419
21 7600 312397 1051.91 12172 24143 613114 8723 361 643.78 11710 23230 574610 2991 2805 58330 448.64 7200 14277 431366 952 618 78037
22 7600 327471 1051.81 11569 22947 636061 8277 361 643.52 14640 29036 603646 3730 2821 61151 448.55 10660 21138 452504 1475 1236 79273
23 7100 341554 1051.75 9606 19054 655115 6814 358 643.13 14870 29500 633146 3780 2831 63982 448.70 10730 21288 473792 1476 1233 80506
24 7200 355835 1051.67 9615 19071 674186 6885 361 642.77 14930 29619 662765 3782 2827 66809 448.65 11680 23174 496966 1596 3017 83523
25 7100 369917 1051.52 13583 26941 701126 9781 363 642.63 13960 27684 690449 3536 2823 69632 448.63 11340 22501 519467 1555 4568 88091
26 7600 384992 1051.23 14390 28543 729670 10374 363 642.69 13180 26145 716594 3337 2822 72454 448.56 9980 19793 539260 1313 4569 92660
27 7600 400066 1050.97 16728 33179 762848 12092 364 642.93 12750 25282 741876 3235 2809 75263 448.48 10040 19909 559169 1350 5194 97854
28 7600 415140 1050.77 13275 26331 789180 9463 359 642.78 14490 28739 770615 3671 2824 78087 448.70 6560 13008 572177 863 5229 103083
29 7600 430215 1050.56 15533 30809 819989 11115 361 642.80 14530 28812 799427 3680 2815 80902 448.50 11920 23633 595810 1596 5219 108302
30 7100 444297 1050.32 16049 31832 851820 11448 360 642.90 14500 28756 828183 3673 2818 83720 448.41 11240 22296 618106 1502 5331 113633
31 7100 458380 1050.00 19454 38586 890406 13949 362 643.26 14480 28714 856897 3673 2815 86535 448.32 11300 22408 640514 1523 5308 118941
TOTAL 324054 109898 43664
BUREAU OF RECLAMATION
LOWER COLORADO REGION
BOULDER CITY, NEVADA
AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR MAY 2026
LAKE MEAD LAKE MOHAVE LAKE HAVASU SENATOR WASH
AVAILABLE CAPACITY IN A.F. *26120000 1873648 570253 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 20706.6 39412.3 1056.02 8124 17600 643.44 1771.9 14500 448.42 539.4 9640 234.55 7200 0 0
2 20677.3 39441.6 1055.78 8106 16000 643.46 1772.2 15500 448.33 537.7 11500 234.63 7227 53 0
3 20642.1 39476.8 1055.54 8088 15500 643.32 1768.2 15400 448.14 534.1 11600 236.84 7985 417 0
4 20605.5 39513.3 1055.30 8071 16000 643.43 1771.5 15500 448.13 533.8 10600 236.61 7905 0 0
5 20564.8 39554.1 1055.10 8056 14100 643.26 1766.6 14300 448.16 534.5 10200 236.32 7803 0 0
6 20534.8 39584.1 1054.96 8046 12300 643.22 1765.4 13900 448.22 535.7 10200 235.85 7640 0 0
7 20508.4 39610.4 1054.79 8033 14000 643.20 1764.9 13800 448.60 543.0 6690 235.74 7603 0 0
8 20475.9 39643.0 1054.62 8020 14000 643.16 1763.7 13800 448.61 543.0 10900 236.89 8003 240 0
9 20441.8 39677.0 1054.47 8009 12900 643.09 1761.9 13900 448.37 538.5 12100 236.57 7891 0 0
10 20415.2 39703.7 1054.36 8001 11800 642.97 1758.4 13900 448.25 536.1 11600 236.36 7817 0 0
11 20399.0 39719.9 1054.06 7979 18500 643.23 1765.9 13500 448.36 538.2 9810 236.17 7751 0 0
12 20380.1 39738.8 1053.69 7952 20200 643.65 1777.8 13100 448.28 536.8 9810 235.89 7654 0 0
13 20368.3 39750.6 1053.41 7931 17400 643.87 1783.9 14300 448.27 536.4 9630 235.77 7613 0 0
14 20369.2 39749.7 1053.13 7911 16700 643.98 1787.0 14200 448.65 543.8 7010 235.68 7582 0 0
15 20362.2 39756.7 1052.90 7894 15800 644.02 1788.2 14300 448.50 540.9 12300 235.41 7489 0 0
16 20361.2 39757.7 1052.68 7878 14000 644.01 1787.8 14200 448.38 538.6 11900 235.24 7432 0 0
17 20357.0 39761.8 1052.49 7864 15900 644.29 1795.8 14400 448.33 537.6 11800 235.12 7391 0 0
18 20352.7 39766.2 1052.36 7854 9420 643.93 1785.8 11900 448.47 540.4 11200 234.86 7303 0 0
19 20347.3 39771.6 1052.22 7844 12500 643.82 1782.6 11900 448.32 537.4 11200 234.72 7257 0 0
20 20341.1 39777.8 1052.08 7834 12400 643.84 1783.2 11900 448.32 537.4 10500 234.52 7190 0 0
21 20338.6 39780.3 1051.91 7821 12200 643.78 1781.3 11700 448.64 543.7 7200 234.33 7127 0 0
22 20324.0 39794.9 1051.81 7814 11600 643.52 1774.1 14600 448.55 541.8 10700 234.16 7070 0 0
23 20314.1 39804.8 1051.75 7810 9610 643.13 1762.9 14900 448.70 544.8 10700 234.11 7053 0 0
24 20297.5 39821.4 1051.67 7804 9610 642.77 1752.8 14900 448.65 543.8 11700 233.78 6946 0 0
25 20286.7 39832.2 1051.52 7793 13600 642.63 1748.8 14000 448.63 543.5 11300 233.67 6910 0 0
26 20260.7 39858.2 1051.23 7772 14400 642.69 1750.6 13200 448.56 542.1 9980 233.82 6959 38 0
27 20254.1 39864.8 1050.97 7753 16700 642.93 1757.2 12700 448.48 540.5 10000 233.30 6790 0 0
28 20235.2 39883.7 1050.77 7739 13300 642.78 1753.0 14500 448.70 544.7 6560 234.48 7176 193 0
29 20213.6 39905.3 1050.56 7723 15500 642.80 1753.8 14500 448.50 540.9 11900 234.95 7334 92 0
30 20202.4 39916.5 1050.32 7706 16000 642.90 1756.3 14500 448.41 539.2 11200 234.07 7040 31 123
31 20192.1 39926.8 1050.00 7683 19500 643.26 1766.5 14500 448.32 537.5 11300 234.61 7220 192 93
* 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 2026
LAKE POWELL | FLAMING GORGE | NAVAJO | BLUE MESA | MORROW POINT
MAX. STORAGE 23314000 AF | MAX. STORAGE 3749000 AF | MAX. STORAGE 1696000 AF | MAX. STORAGE 827472 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 6300 3526.24 5617 7600 6022.01 2980 4390 6036.68 1030 440 7459.15 362.0 1440 7156.10 113.9 1470
2 7400 3526.24 5617 7200 6021.79 2970 4520 6036.67 1030 450 7458.58 358.5 2190 7158.00 115.4 1430
3 7400 3526.24 5617 7200 6021.59 2960 4530 6036.64 1030 460 7458.08 355.5 2040 7159.47 116.6 1440
4 3700 3526.11 5609 7600 6021.27 2950 6810 6036.60 1030 450 7457.86 354.2 1140 7158.18 115.6 1720
5 5600 3526.04 5605 7600 6020.86 2940 8380 6036.51 1020 470 7457.68 353.2 940 7157.24 114.8 1350
6 6900 3526.01 5603 7600 6020.41 2920 8470 6036.51 1020 510 7457.55 352.4 930 7156.08 113.9 1440
7 6000 3525.95 5600 7700 6019.98 2910 8520 6036.51 1020 580 7457.41 351.6 930 7154.63 112.7 1510
8 7900 3525.95 5600 7700 6019.51 2890 8520 6036.44 1020 590 7457.27 350.7 930 7153.44 111.8 1430
9 8300 3525.98 5601 7200 6019.05 2880 8530 6036.37 1020 580 7457.13 349.9 930 7152.48 111.0 1340
10 9600 3526.05 5606 7200 6018.62 2860 8530 6036.36 1020 530 7457.00 349.1 930 7151.46 110.2 1340
11 13800 3526.24 5617 7600 6018.24 2850 7490 6036.34 1020 500 7456.88 348.4 930 7150.51 109.5 1340
12 12900 3526.40 5626 7700 6017.94 2840 5500 6036.35 1020 460 7456.87 348.3 770 7149.14 108.4 1310
13 12600 3526.55 5635 7600 6017.78 2840 3470 6036.39 1020 410 7456.98 349.0 590 7147.04 106.8 1400
14 13200 3526.72 5644 7600 6017.77 2840 1250 6036.50 1020 330 7457.13 349.9 590 7145.19 105.4 1290
15 13500 3526.90 5655 7600 6017.71 2830 1250 6036.66 1030 300 7457.34 351.1 590 7143.30 104.0 1300
16 15000 3527.14 5669 7100 6017.72 2830 1250 6036.79 1030 300 7457.55 352.4 590 7141.78 102.8 1170
17 7700 3527.15 5669 7100 6017.69 2830 1250 6036.88 1030 300 7457.79 353.8 590 7139.83 101.4 1300
18 12600 3527.30 5678 7600 6017.72 2830 1240 6036.95 1030 320 7457.97 354.9 590 7137.90 100.0 1300
19 13100 3527.46 5688 7800 6017.71 2830 1230 6037.00 1030 360 7458.13 355.8 590 7135.92 98.5 1290
20 9100 3527.50 5690 7600 6017.71 2830 1160 6037.05 1030 300 7458.20 356.2 650 7134.36 97.4 1200
21 11000 3527.60 5696 7600 6017.70 2830 1160 6037.03 1030 640 7458.30 356.8 550 7132.38 96.0 1280
22 10000 3527.67 5700 7600 6017.66 2830 1160 6036.96 1030 800 7458.13 355.8 1300 7132.50 96.1 1250
23 9600 3527.74 5704 7100 6017.65 2830 1160 6036.90 1030 800 7457.70 353.3 2060 7133.96 97.1 1570
24 8000 3527.76 5705 7200 6017.66 2830 1160 6036.85 1030 800 7457.28 350.8 2060 7135.71 98.4 1470
25 10800 3527.87 5712 7100 6017.61 2830 1160 6036.85 1030 810 7456.93 348.7 2070 7137.89 100.0 1300
26 6600 3527.83 5709 7600 6017.55 2830 1160 6036.79 1030 800 7456.58 346.7 2070 7140.19 101.7 1290
27 11300 3527.94 5716 7600 6017.60 2830 1160 6036.78 1030 800 7456.26 344.8 2070 7141.52 102.6 1620
28 6500 3527.90 5713 7600 6017.56 2830 1160 6036.73 1030 870 7456.09 343.8 1610 7142.23 103.2 1390
29 6500 3527.86 5711 7600 6017.53 2830 1160 6036.64 1030 880 7456.05 343.6 1400 7142.52 103.4 1260
30 9300 3527.92 5714 7100 6017.57 2830 1170 6036.56 1020 890 7455.86 342.4 1640 7143.33 104.0 1330
31 8600 3527.96 5717 7100 6017.56 2830 1170 6036.48 1020 890 7455.79 342.0 1270 7143.38 104.0 1240
GLEN CANYON TO HOOVER DAM LOSSES
MAY 2026
| | 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 7600 17600 8124 -22 667 660 -721 -34 -68 7114
2 7200 16000 8106 -18 670 659 -590 -595 -1247 7664
3 7200 15500 8088 -18 570 658 -590 578 -100 7063
4 7600 16000 8071 -17 644 657 -557 -966 -2016 8173
5 7600 14100 8056 -15 602 657 -492 -118 -2250 7305
6 7600 12300 8046 -10 632 656 -328 -576 -3393 8219
7 7700 14000 8033 -13 640 656 -426 -716 -4813 8316
8 7700 14000 8020 -13 666 655 -426 -746 -6293 8341
9 7200 12900 8009 -11 647 655 -360 -618 -7518 8296
10 7200 11800 8001 -8 550 654 -262 -1057 -9616 8708
11 7600 18500 7979 -22 606 654 -721 -758 -11120 7947
12 7700 20200 7952 -27 614 652 -885 225 -10673 6969
13 7600 17400 7931 -21 675 651 -688 199 -10278 7450
14 7600 16700 7911 -20 649 651 -655 409 -9467 7261
15 7600 15800 7894 -17 689 650 -557 -388 -10237 8011
16 7100 14000 7878 -16 675 649 -524 886 -8480 6733
17 7100 15900 7864 -14 563 648 -459 -1969 -12385 9594
18 7600 9420 7854 -10 673 648 -328 1762 -8890 5372
19 7800 12500 7844 -10 649 647 -328 -1290 -11449 8427
20 7600 12400 7834 -10 689 647 -328 -780 -12997 8367
21 7600 12200 7821 -13 658 646 -426 1267 -10483 6524
22 7600 11600 7814 -7 671 646 -229 -1516 -13489 9158
23 7100 9610 7810 -4 645 646 -131 -1133 -15737 8753
24 7200 9610 7804 -6 589 646 -197 -17 -15771 7623
25 7100 13600 7793 -11 643 645 -360 -1852 -19445 8982
26 7600 14400 7772 -21 669 644 -688 2717 -14056 4437
27 7600 16700 7753 -19 655 644 -623 -664 -15372 7797
28 7600 13300 7739 -14 665 643 -459 542 -14298 7091
29 7600 15500 7723 -16 639 642 -524 -574 -15437 8190
30 7100 16000 7706 -17 639 641 -557 -546 -16520 8152
31 7100 19500 7683 -23 542 641 -754 -733 -17975 8333
TOTAL 231500 448900 19785 20148 -17975 240371
E
Note: Automatic reports have not been checked for errors.
(ft=feet above mean sea level, cfs=cubic feet per second, kaf=1000 acre-feet)
Please contact the Water Operations Control Center via e-mail at bcoowaterops@usbr.gov or via phone at (702) 293-8373 for additional questions or information.
