River Report

Discharge Volume • Streamflow Data
September 27 2023


River Report

September 27 2023


The rivers of the USA are varied and complex, shaped by a long history of human use and environmental change. The country's major rivers include the Mississippi, Missouri, Colorado, Columbia, Rio Grande, and many others, each with its unique hydrology and cultural significance. These rivers have been used for centuries for transportation, agriculture, and recreation, and many have been dammed to create reservoirs for power generation, irrigation, and water supply.

One example of a significant reservoir and dam system is the Hoover Dam, which was constructed on the Colorado River in the 1930s. The dam forms Lake Mead, the largest reservoir in the US, which serves as a critical water source for agriculture, industry, and urban areas in the Southwest. Many other dams and reservoirs dot the landscape of the US, providing essential resources for the country's growing population. In addition to serving as vital sources of water and power, these reservoirs are also popular destinations for recreational activities such as boating, fishing, and swimming, contributing significantly to the country's tourism industry.


River Discharge Volume (ac-ft) Percent Normal (%)
Wapsipinicon River 7,162 42
Yellow River 7,468 56
Pithlachascotee River 0 2
Little Snake River 12,932 208
Mill River 440 158
Willamette River 304,265 169
Ohio River 1,738,715 150
Missisquoi River 9,459 82
Verdigris River 402 1
Methow River 93,878 276
Cowanesque River 2,493 167
South Santiam River 19,755 146
Poteau River 9,703 99
Hudson River 274,374 238
Saline River 33,598 122
Raquette River 32,033 125
Ocmulgee River 28,721 101
Etowah River 30,914 119
Deep River 3,310 119
Ogeechee River 8,707 110
Eagle River 5,423 184
Black River 128,918 45
Duck River 8,123 24
Dolores River 49,242 618
Clackamas River 31,656 147
Colorado River 358,311 158
Enoree River 2,711 146
Wenatchee River 86,083 232
Patuxent River 1,335 109
Nottoway River 13,533 276
Whippany River 1,750 271
Greenbrier River 32,906 197
Flathead River 105,501 90
Passaic River 21,788 306
Crooked River 9,303 203
Beaverhead River 385 56
North River 3,431 66
Illinois River 79,974 33
Gunnison River 40,463 346
Androscoggin River 153,799 217
Whitewater River 4,446 45
Apalachicola River 74,380 79
Broad River 32,192 96
Platte River 27,451 33
Kalamazoo River 10,604 80
Elkhorn River 4,750 23
Beaver River 28,947 141
Roaring Fork River 7,928 231
Sevier River 2,757 101
Menominee River 179,901 169
Falls River 9,382 131
Savannah River 90,129 30
Yellowstone River 150,929 102
Auglaize River 9,523 113
Verde River 1,812 105
Blackstone River 9,045 180
Canadian River 3,609 11
Leaf River 22,822 75
Conecuh River 7,900 81
Heart River 5,136 223
Sauk River 41,891 212
Kiamichi River 5,009 33
Sheyenne River 31,200 148
Meramec River 8,934 23
Missouri River 1,131,771 49
Columbia River 1,505,458 108
Hillsborough River 397 59
Tippecanoe River 8,969 69
Deschutes River 30,869 137
Cedar River 46,183 57
Appomattox River 4,921 92
Wood River 734 105
Lumber River 5,330 125
Fraser River 701 127
Spokane River 77,752 114
Conemaugh River 14,936 133
Marias River 4,721 92
Knife River 1,715 114
Agua Fria River 70 493
Umatilla River 13,170 225
Blanchard River 5,794 107
Catawba River 25,825 128
Little Sioux River 5,018 32
Little Colorado River 2,562 444
Wisconsin River 130,810 123
Milwaukee River 4,197 70
Kettle River 74,975 196
Pearl River 39,614 43
Ocklawaha River 3,206 98
Coosawattee River 8,632 121
Peshtigo River 13,408 129
Rogue River 32,965 81
Current River 11,020 33
Clarion River 12,678 127
Little River 37,930 75
Cahaba River 7,601 86
Gasconade River 7,498 15
Prairie River 2,202 138
Saluda River 27,084 179
Shenango River 5,157 121
Tongue River 1,652 39
North Platte River 8,073 64
Neuse River 25,726 135
Allegheny River 218,688 97
Calcasieu River 2,499 35
Owyhee River 11,021 240
Nolichucky River 9,917 92
Salmon River 128,747 172
Humboldt River 30,863 306
Payette River 40,463 201
Oconee River 49,621 148
Tygart Valley River 46,195 230
Neosho River 3,098 3
Patoka River 1,611 19
Chippewa River 96,754 122
Kaskaskia River 7,393 15
Yakima River 75,888 173
Alapaha River 2,095 28
Jackson River 7,486 151
Carson River 22,076 572
Musselshell River 1,033 37
Clearwater River 308,576 176
Washita River 1,764 13
Contoocook River 14,688 269
Neversink River 8,220 260
Pecatonica River 10,114 92
Huron River 4,344 100
Chemung River 28,046 137
Hackensack River 841 196
Lehigh River 66,798 271
Minnesota River 187,974 156
Bighorn River 32,172 107
Turkey River 5,351 56
Wolf River 12,417 80
Yampa River 98,547 281
Skookumchuck River 1,240 78
Ouachita River 49,289 96
Manistee River 11,266 97
Lackawaxen River 10,586 294
Milk River 12,750 91
Little Wabash River 1,405 6
Boise River 16,879 93
Uncompahgre River 6,347 338
Nooksack River 32,489 201
Sangamon River 8,461 16
Salt River 5,296 26
Sturgeon River 10,909 238
Ruby River 910 140
Blue River 4,036 33
Wabash River 157,131 33
Cumberland River 17,994 31
Delaware River 310,446 222
Cottonwood River 1,975 35
Wind River 14,523 202
Mississippi River 6,673,735 100
Yadkin River 17,444 76
Santa Clara River 692 447
Mohawk River 60,546 203
Applegate River 9,064 226
Clinch River 6,873 54
Yahara River 2,986 89
Mahoning River 15,584 156
Provo River 5,831 201
Marmaton River 25 0
Hatchie River 8,467 34
North Santiam River 15,491 77
Wild Rice River 5,621 120
Monocacy River 6,056 103
Root River 4,017 86
Cowlitz River 41,931 86
Nisqually River 3,451 45
French Broad River 22,497 72
Hoosic River 5,155 133
Chattahoochee River 95,744 114
Neponset River 1,922 148
South Platte River 4,444 33
Iowa River 25,101 37
Bitterroot River 41,633 189
North Canadian River 2,124 17
Little Blue River 241 20
Chattooga River 2,229 121
Roanoke River 29,415 87
Schuylkill River 31,226 115
Mckenzie River 70,064 160
Cuyahoga River 16,528 179
Souris River 10,885 92
Upper Iowa River 2,624 42
White River 479,138 72
Thompson River 3,531 47
Lackawanna River 9,370 293
Roseau River 8,523 141
Chickasawhay River 11,375 59
Alcovy River 1,792 225
Ware River 2,013 110
Okanogan River 41,673 125
Juniata River 53,395 174
Ramapo River 5,367 250
Klamath River 127,002 190
Olentangy River 4,701 84
Purgatoire River 303 80
Tuscarawas River 23,297 161
Taylor River 1,648 152
Niobrara River 6,288 57
Grand River 31,718 54
Animas River 43,061 320
Potomac River 140,073 142
Skagit River 145,190 160
Merrimack River 159,075 240
Rock River 106,808 101
Green River 120,514 122
Santa Cruz River 399 204
Chenango River 31,379 233
Flint River 71,885 87
Snake River 680,769 110
Genesee River 14,634 75
Suwannee River 48,732 46
Powell River 1,923 54
Peace River 735 83
Republican River 756 16
Kankakee River 22,856 53
Truckee River 58,705 183
Virgin River 3,987 260
Tuckasegee River 4,635 66
Madison River 14,569 102
Duchesne River 3,719 384
Pecos River 4,903 94
Muskingum River 144,000 155
Cheyenne River 1,136 36
Brazos River 82,276 65
Choctawhatchee River 29,589 69
Waccamaw River 3,062 122
Nodaway River 1,940 21
Weber River 28,509 478
Cache River 2,966 35
Portneuf River 6,303 232
Tallapoosa River 24,395 110
Susquehanna River 1,878,967 228
Embarras River 2,339 14
Cannonball River 1,348 142
Caney River 102 1
Piney River 1,496 87
East River 3,055 164
South River 1,591 40
Klickitat River 21,620 180
Sandusky River 10,679 139
Harpeth River 1,374 12
Middle River 605 6
Kentucky River 44,291 19
Ashuelot River 9,195 166
Pine River 3,312 115
Rocky River 3,689 126
Puyallup River 18,922 128
Ochlockonee River 12,270 83
Moreau River 275 5
Cimarron River 2,624 29
Blackfoot River 19,716 158
Gila River 19,129 639
Scioto River 83,465 78
Kennebec River 175,934 218
Chariton River 746 8
Quinebaug River 16,620 191
Licking River 6,795 16
Maumee River 47,008 79
Stillwater River 2,023 59
Little Tallapoosa River 2,456 137
Sandy River 28,998 217
Arkansas River 21,924 7
Smith River 25,746 192
James River 196,420 112
Maple River 7,583 118
Tombigbee River 20,828 177
Wynoochee River 4,425 136
Sweetwater River 1,595 265
Charles River 4,445 146
Bear River 34,792 294
Myakka River 17 8
Blackwater River 5,300 56
Connecticut River 603,356 155
Youghiogheny River 65,931 228
Spring River 7,906 17
Chehalis River 11,599 101
Great Miami River 69,699 99
Ottawa River 1,777 106
Piscataquis River 34,155 218
Tioga River 13,642 109
Walker River 3,630 438
Withlacoochee River 6,978 53
Amite River 2,499 77
Saddle River 662 153
Teton River 3,590 133
Pigeon River 10,003 91
Little Missouri River 1,338 25
Powder River 2,737 66


The rivers of the USA are varied and complex, shaped by a long history of human use and environmental change. The country's major rivers include the Mississippi, Missouri, Colorado, Columbia, Rio Grande, and many others, each with its unique hydrology and cultural significance. These rivers have been used for centuries for transportation, agriculture, and recreation, and many have been dammed to create reservoirs for power generation, irrigation, and water supply.


Top 10 Longest Rivers

River Length (mi) Total Discharge (cfs)
Wapsipinicon River 263.09 3,611
Yellow River 554.55 3,765
Pithlachascotee River 17.86 0
Little Snake River 156.48 6,520
Mill River 111.97 222
Willamette River 187.39 153,400
Ohio River 969.92 876,600
Missisquoi River 69.5 4,769
Verdigris River 302.43 203
Methow River 85.82 47,330
Cowanesque River 38.75 1,257
South Santiam River 59.66 9,960
Poteau River 135.71 4,892
Hudson River 303.99 138,330
Saline River 663.19 16,939
Raquette River 167.68 16,150
Ocmulgee River 240.45 14,480
Etowah River 161.04 15,586
Deep River 179.41 1,669
Ogeechee River 215.63 4,390
Eagle River 128.39 2,734
Black River 1988.14 64,996
Duck River 279.09 4,095
Dolores River 241.14 24,826
Clackamas River 71.26 15,960
Colorado River 2201.77 180,648
Enoree River 98.96 1,367
Wenatchee River 49.91 43,400
Patuxent River 76.77 673
Nottoway River 114.87 6,823
Whippany River 17.51 882
Greenbrier River 151.47 16,590
Flathead River 171.67 53,190
Passaic River 79.66 10,985
Crooked River 297.98 4,690
Beaverhead River 54.53 194
North River 501.89 1,730
Illinois River 535.16 40,320
Gunnison River 182.52 20,400
Androscoggin River 168.73 77,540
Whitewater River 322.88 2,242
Apalachicola River 101.35 37,500
Broad River 246.27 16,230
Platte River 629.28 13,840
Kalamazoo River 111.35 5,346
Elkhorn River 282.01 2,395
Beaver River 518.07 14,594
Roaring Fork River 62.11 3,997
Sevier River 298.15 1,390
Menominee River 115.22 90,700
Falls River 10.73 4,730
Savannah River 457.57 45,440
Yellowstone River 771.66 76,093
Auglaize River 99.67 4,801
Verde River 189.33 913
Blackstone River 40.85 4,560
Canadian River 1141.23 1,820
Leaf River 221.22 11,506
Conecuh River 161.28 3,983
Heart River 255.26 2,589
Sauk River 155.76 21,120
Kiamichi River 175.34 2,526
Sheyenne River 455.11 15,730
Meramec River 223.49 4,504
Missouri River 1852.5 570,600
Columbia River 686.72 759,000
Hillsborough River 55.28 200
Tippecanoe River 169.95 4,522
Deschutes River 274.4 15,563
Cedar River 435.52 23,284
Appomattox River 139.5 2,481
Wood River 484.47 370
Lumber River 95.05 2,687
Fraser River 29.55 353
Spokane River 113.4 39,200
Conemaugh River 49.92 7,530
Marias River 180.64 2,380
Knife River 225.41 865
Agua Fria River 126.94 35
Umatilla River 83.41 6,640
Blanchard River 84.98 2,921
Catawba River 261.91 13,020
Little Sioux River 231.28 2,530
Little Colorado River 329.29 1,292
Wisconsin River 406.17 65,950
Milwaukee River 85.02 2,116
Kettle River 140.97 37,800
Pearl River 415.25 19,972
Ocklawaha River 85.2 1,617
Coosawattee River 51.34 4,352
Peshtigo River 123.13 6,760
Rogue River 227.49 16,620
Current River 168.87 5,556
Clarion River 102.25 6,392
Little River 1846.81 19,123
Cahaba River 183.65 3,832
Gasconade River 273.22 3,780
Prairie River 178.84 1,110
Saluda River 184.53 13,655
Shenango River 90.81 2,600
Tongue River 388.34 833
North Platte River 709.84 4,070
Neuse River 205.76 12,970
Allegheny River 335.81 110,255
Calcasieu River 181.29 1,260
Owyhee River 328.95 5,556
Nolichucky River 177.28 5,000
Salmon River 788.56 64,910
Humboldt River 347.13 15,560
Payette River 72.14 20,400
Oconee River 276.76 25,017
Tygart Valley River 126.72 23,290
Neosho River 481.07 1,562
Patoka River 151.34 812
Chippewa River 403.27 48,780
Kaskaskia River 242.55 3,727
Yakima River 206.57 38,260
Alapaha River 167.09 1,056
Jackson River 88.66 3,774
Carson River 118.53 11,130
Musselshell River 248.61 521
Clearwater River 326.95 155,573
Washita River 521.09 889
Contoocook River 63.22 7,405
Neversink River 43.62 4,144
Pecatonica River 164.25 5,099
Huron River 119.05 2,190
Chemung River 44.28 14,140
Hackensack River 44.57 424
Lehigh River 92.34 33,677
Minnesota River 318.28 94,770
Bighorn River 293.21 16,220
Turkey River 143.34 2,698
Wolf River 455.08 6,260
Yampa River 224.72 49,684
Skookumchuck River 37.19 625
Ouachita River 589.77 24,850
Manistee River 154.23 5,680
Lackawaxen River 28.08 5,337
Milk River 502.89 6,428
Little Wabash River 212.18 708
Boise River 99.11 8,510
Uncompahgre River 74.15 3,200
Nooksack River 39.34 16,380
Sangamon River 197.6 4,266
Salt River 489.89 2,670
Sturgeon River 250.26 5,500
Ruby River 72.02 459
Blue River 475.91 2,035
Wabash River 9.65 79,220
Cumberland River 858.62 9,072
Delaware River 388.12 156,516
Cottonwood River 263.74 996
Wind River 350.66 7,322
Mississippi River 2389.24 3,364,666
Yadkin River 244.08 8,795
Santa Clara River 130.18 349
Mohawk River 145.65 30,525
Applegate River 54.46 4,570
Clinch River 403.64 3,465
Yahara River 61.36 1,506
Mahoning River 100.56 7,857
Provo River 77.64 2,940
Marmaton River 87.58 13
Hatchie River 198.64 4,269
North Santiam River 91.23 7,810
Wild Rice River 330.22 2,834
Monocacy River 58.81 3,053
Root River 114.41 2,025
Cowlitz River 125.01 21,140
Nisqually River 74.55 1,740
French Broad River 208.22 11,342
Hoosic River 64.1 2,599
Chattahoochee River 499.67 48,271
Neponset River 22.52 969
South Platte River 415.94 2,240
Iowa River 294.25 12,655
Bitterroot River 83.51 20,990
North Canadian River 441.05 1,071
Little Blue River 336.16 122
Chattooga River 102.86 1,124
Roanoke River 447.61 14,830
Schuylkill River 130.99 15,743
Mckenzie River 81.51 35,324
Cuyahoga River 91.96 8,333
Souris River 275.05 5,488
Upper Iowa River 139.01 1,323
White River 2377.65 241,565
Thompson River 205.77 1,780
Lackawanna River 52.44 4,724
Roseau River 95.79 4,297
Chickasawhay River 152.16 5,735
Alcovy River 56.77 903
Ware River 35.71 1,015
Okanogan River 83.72 21,010
Juniata River 99.67 26,920
Ramapo River 34.37 2,706
Klamath River 223.66 64,030
Olentangy River 86.63 2,370
Purgatoire River 193.5 153
Tuscarawas River 107.08 11,746
Taylor River 51.19 831
Niobrara River 448.72 3,170
Grand River 714.04 15,991
Animas River 122.23 21,710
Potomac River 170.93 70,620
Skagit River 127.96 73,200
Merrimack River 110.77 80,200
Rock River 482.29 53,849
Green River 1553.2 60,759
Santa Cruz River 152.97 201
Chenango River 82.82 15,820
Flint River 455.47 36,242
Snake River 1452.01 343,220
Genesee River 151.2 7,378
Suwannee River 229.2 24,569
Powell River 149.11 969
Peace River 126.65 371
Republican River 437.9 381
Kankakee River 145.35 11,523
Truckee River 143.19 29,597
Virgin River 117.41 2,010
Tuckasegee River 63.82 2,337
Madison River 129.35 7,345
Duchesne River 113.99 1,875
Pecos River 918.92 2,472
Muskingum River 110.3 72,600
Cheyenne River 657.31 572
Brazos River 947.8 41,481
Choctawhatchee River 127.07 14,918
Waccamaw River 121.17 1,544
Nodaway River 65.2 978
Weber River 118.21 14,373
Cache River 243.38 1,495
Portneuf River 89.23 3,178
Tallapoosa River 259.54 12,299
Susquehanna River 451.45 947,310
Embarras River 180.11 1,179
Cannonball River 293.47 680
Caney River 165.62 52
Piney River 65.64 754
East River 127.88 1,540
South River 337.34 802
Klickitat River 88.95 10,900
Sandusky River 131.59 5,384
Harpeth River 119.32 693
Middle River 328.14 305
Kentucky River 255.48 22,330
Ashuelot River 62.88 4,636
Pine River 414.02 1,670
Rocky River 254.11 1,860
Puyallup River 44.87 9,540
Ochlockonee River 184.8 6,186
Moreau River 303.68 139
Cimarron River 760.62 1,323
Blackfoot River 223.5 9,940
Gila River 593.0 9,644
Scioto River 233.16 42,080
Kennebec River 142.17 88,700
Chariton River 212.03 376
Quinebaug River 55.76 8,379
Licking River 328.98 3,426
Maumee River 131.74 23,700
Stillwater River 199.29 1,020
Little Tallapoosa River 90.75 1,238
Sandy River 281.12 14,620
Arkansas River 1466.83 11,054
Smith River 337.41 12,980
James River 1125.31 99,028
Maple River 374.42 3,823
Tombigbee River 343.82 10,501
Wynoochee River 62.7 2,231
Sweetwater River 217.97 804
Charles River 67.42 2,241
Bear River 668.34 17,541
Myakka River 51.0 9
Blackwater River 367.5 2,672
Connecticut River 388.99 304,191
Youghiogheny River 128.28 33,240
Spring River 217.26 3,986
Chehalis River 115.68 5,848
Great Miami River 163.15 35,140
Ottawa River 84.31 896
Piscataquis River 62.58 17,220
Tioga River 79.07 6,878
Walker River 53.21 1,830
Withlacoochee River 252.8 3,518
Amite River 145.59 1,260
Saddle River 20.49 334
Teton River 228.59 1,810
Pigeon River 257.1 5,043
Little Missouri River 753.99 675
Powder River 541.47 1,380

Log Your Visit

When was your last visit to ?

Add a Photo

How was it? How were conditions?

Rate the

Submit

Leave A Review


Submit

Upload an Image


Favorite Limit Reached