River Levels

Streamflow conditions for rivers, streams, and tributaries across the nation

Rivers Streamgauges Max Discharge (cfs) vs Average (%)
Little-Menomonee-River 2 3 -61.68
Dugdemona-River 1 2,320 +674.34
Pompton-River 1 126 -60.95
Wapsipinicon-River 4 598 -72.49
Yellow-River 11 1,650 +7.97
Uncompahgre-River 5 322 -47.24
Ausable-River 1 328 -74.25
Portage-River 1 27 -81.81
Gauley-River 2 821 -40.46
Wolf-River 7 1,640 -30.8
Pithlachascotee-River 3 30 -39.47
Little-Snake-River 3 58 -26.38
Mill-River 2 32 -79.79
Fisher-River 1 143 -0.08
Jones-River 1 10 -51.9
Willamette-River 6 25,300 +6.13
Sucarnoochee-River 1 191 +36.72
Cacapon-River 1 104 -36.86
Ohio-River 4 63,300 -19.04
Missisquoi-River 3 1,030 -28.08
Methow-River 4 649 +31.46
Cowanesque-River 3 22 -81.62
Waihee-River 1 33 -36.28
Bouquet-River 1 112 -77.43
Nantahala-River 1 197 +40.92
Sweetwater-River 3 27 -75.5
Belle-River 1 20 -32
Lake-Fork-River 2 37 -42.44
Poteau-River 3 146 -85.17
Florida-River 2 17 -51.88
Hudson-River 7 6,920 -30.33
Saline-River 9 827 +647.74
Raquette-River 3 595 -58.69
South-Raccoon-River 1 102 -82.91
Collins-River 1 213 -34.86
Schuylkill-River 6 1,070 -56.22
North-Mayo-River 1 142 +74.81
Yellow-Medicine-River 1 26 -91.29
Whitewater-River 7 493 -8.42
Waimea-River 1 16 -29.18
Ocmulgee-River 4 5,840 +179.25
Etowah-River 6 6,380 +257.32
Coosawhatchie-River 1 97 +102.54
Deep-River 4 711 +127.8
Little-River 36 7,190 +691.61
Chicopee-River 1 550 -17.86
Escanaba-River 1 1,360 +2.75
Ogeechee-River 3 617 +76.94
Eagle-River 4 147 -33.22
Mount-Hope-River 1 7 -75.71
Eightmile-River 1 5 -73.22
Little-Minnesota-River 1 4 -94.53
Neches-River 6 2,990 +7.56
Milwaukee-River 3 6,520 +170.8
Black-River 23 4,630 +1.12
Carlls-River 1 16 -12.05
Elwha-River 1 1,010 +6.25
Piney-River 4 107 -8.78
Duck-River 7 1,480 +6.51
Piedra-River 1 25 -85.58
Dolores-River 7 44 -51.4
Norwalk-River 1 19 -57.48
Vermilion-River 7 1,520 +73.22
Clackamas-River 3 1,300 -39.91
Rush-River 1 8 -71.72
Tioughnioga-River 1 85 -73.6
Solomon-River 4 174 -39.09
Roaring-River 1 18 +20.14
Econfina-River 1 146 +144.64
Enoree-River 3 295 +48.54
Mattole-River 2 19 -78.97
Wenatchee-River 3 4,420 +124.43
Patuxent-River 3 207 -27.27
Macatawa-River 1 5 -76.07
Raccoon-River 4 165 -92.54
Baker-River 1 248 +55.9
Nottoway-River 3 4,640 +297.76
Trent-River 1 65 -42.1
Rippowam-River 1 8 -62.06
Whippany-River 3 78 +12.34
Nooksack-River 3 4,780 +11.28
Upper-River 1 14 -33.93
Shell-Rock-River 1 325 -74.12
Bark-River 2 51 -41.87
Choptank-River 1 249 +184.21
Humptulips-River 1 948 -34.81
South-Umpqua-River 2 174 -74.02
Price-River 1 21 -84.49
Saco-River 2 2,790 +27.48
Flathead-River 4 7,740 -0.99
Tualatin-River 2 262 -54.12
Raritan-River 2 507 -30.34
Pacolet-River 2 348 +72.79
Chikaskia-River 1 53 -10.68
Namekagon-River 1 139 -3.87
Passaic-River 4 356 +21.06
South-River 8 203 -23.76
Tolt-River 1 1,170 +85.29
Similkameen-River 1 1,160 +19.52
Little-Wood-River 2 31 -45.66
Kinnickinnic-River 2 139 +15.66
Pamunkey-River 1 614 +90.68
Boyer-River 1 154 -68.73
Tarkio-River 1 38 -81.86
Navarro-River 1 0 -95.7
Eleven-Point-River 1 712 +34.2
Patapsco-River 1 52 -59.31
Little-Chazy-River 1 6 -72.66
Crooked-River 3 1,330 -2.29
Beaverhead-River 3 310 -10.61
North-River 7 511 +17.23
Illinois-River 12 4,890 -70.54
Lostmans-River 1 10,500 -12.74
Trap-Rock-River 1 37 +20.47
Sopchoppy-River 1 15 -44.61
Mousam-River 1 149 +58.7
Soldier-River 1 97 -53.7
Little-Sandy-River 2 77 -37.31
Pahsimeroi-River 1 280 -2.63
Falling-River 1 121 +106.03
Tomoka-River 1 135 -0.02
Little-Fork-River 1 1,010 +18.84
Pawtuxet-River 1 98 -54.35
Bullpasture-River 1 63 +10.47
Tahquamenon-River 1 1,160 -23.45
Navidad-River 2 1 -72.53
Palouse-River 2 95 +4.73
Gunnison-River 4 1,080 -37.25
Upper-Iowa-River 3 332 -52.47
Cranberry-River 1 19 -77.98
Saxtons-River 1 41 -65.01
Salamonie-River 2 21 -86.61
Iron-River 1 121 +19.55
Deadwood-River 1 52 +28.68
Encampment-River 2 78 -16.33
Pawcatuck-River 2 137 -38.29
Nottely-River 1 151 +41.17
Forest-River 2 44 -49.23
Kawishiwi-River 1 16 -85.99
Newaukum-River 1 286 -35.6
Yantic-River 1 24 -68.02
Clam-River 1 92 -6.89
Pemigewasset-River 2 1,390 +52.63
Apalachicola-River 3 30,300 +70.91
Wakulla-River 1 889 -13.65
Sudbury-River 1 32 -61.86
Waupaca-River 1 431 +34.23
Hazel-River 1 277 +34.86
Antoine-River 1 2 -97.64
Colo-River 1 418 -61.03
Broad-River 8 7,220 +191.96
Ellis-River 1 386 +119.17
Hubbard-River 1 23 -50.5
Angelina-River 1 66 -43.96
Osage-River 2 1,140 -85.8
Little-Muskegon-River 1 248 -9.3
Jarbidge-River 1 6 -11.39
Platte-River 13 4,340 -11.85
Quinsigamond-River 1 34 +54.75
Rockfish-River 1 113 +51.39
Caloosahatchee-River 1 4,950 +67.87
Kalamazoo-River 4 1,050 -44.39
Napa-River 2 0 -98.33
Mattawamkeag-River 1 3,740 +79.53
Sturgeon-River 4 580 +18.29
Wells-River 1 141 +45.32
Fivemile-River 1 0 -96.06
Ventura-River 1 2 -47.55
West-River 1 140 -46.67
Long-Prairie-River 1 174 -31.64
Beaver-River 6 1,000 -38.12
Cartecay-River 1 188 +16.84
Little-Satilla-River 1 14 -60.47
Peconic-River 1 19 +13
Kewaunee-River 1 19 -70.97
Roaring-Fork-River 5 535 -16.94
Wailuku-River 1 14 -89.48
Bearcamp-River 1 70 -55.25
Chipuxet-River 1 1 -92.5
Sevier-River 5 61 +20.71
Menominee-River 7 4,420 +9.43
Hunt-River 1 8 -63.22
Patoka-River 3 172 -62.16
Warm-Springs-River 1 210 -19.95
Tuckahoe-River 1 38 +70.34
Little-Wekiva-River 1 61 +60.37
Nonewaug-River 1 4 -80.01
Natalbany-River 1 14 -30.54
Auglaize-River 3 85 -63.5
Yalobusha-River 1 3,640 +36.84
Verde-River 6 799 +35.63
Blackstone-River 3 1,000 +27.47
Rooster-River 1 4 -73.1
Judith-River 1 462 -5.09
Tiffin-River 2 53 -44.59
Canadian-River 10 1,810 +113.19
Leaf-River 4 1,150 -15.34
Assabet-River 1 83 -14.48
West-Fork-River 1 127 -65.5
Conecuh-River 4 2,260 +77.56
Rivanna-River 1 427 +30.82
Heart-River 5 64 -80.04
Turtle-River 1 80 -10.16
Naselle-River 1 440 -6.3
Tyger-River 1 457 +50.28
Trout-River 1 56 +61.38
Caddo-River 1 92 -2.15
Embarrass-River 1 261 -15.18
Sauk-River 3 7,940 +49.06
Strong-River 1 54 -13.81
Wabash-River 12 5,310 -56.36
Lavaca-River 2 2 -83.69
Nestucca-River 1 389 -44.81
Kiamichi-River 3 45 -82.1
Sheyenne-River 9 529 -45.26
Winnebago-River 1 67 -83.25
Maumelle-River 2 3 -70.1
Meramec-River 5 1,160 +23.4
Whetstone-River 1 35 -41.53
Kettle-River 3 537 -18.71
Casselman-River 2 60 -72.2
Cohansey-River 1 31 +13.2
Missouri-River 25 50,800 -42.52
Ontonagon-River 1 1,700 +30.51
Baraboo-River 1 456 -6.16
Cucharas-River 1 4 -56.44
Muscatatuck-River 1 109 +204.55
Oswegatchie-River 2 430 -72.32
Michigamme-River 1 661 -0.02
Reddies-River 1 184 +53.28
Kishwaukee-River 2 392 -39.05
Columbia-River 4 298,000 +2.17
Leon-River 5 18 +53.45
Wanaque-River 2 16 -42.6
Arikaree-River 1 0 -99.17
Escambia-River 2 4,070 +42.08
Merrimack-River 3 5,730 +9.95
Puyallup-River 4 3,650 +12.12
Seboeis-River 1 517 +142.15
Pocomoke-River 1 65 +42.29
Chassahowitzka-River 1 41 -29.37
Dismal-River 1 264 +11.19
Trout-Creek 1 2 -92.17
Little-Delaware-River 1 18 -74.24
Herring-River 1 2 -49.11
Queets-River 1 4,130 -20.36
Sprague-River 1 189 -18.5
Concord-River 1 274 -6.06
Lookout-Creek 1 18 +40.85
Pease-River 1 2 -92.03
Raging-River 1 242 +56.46
Meherrin-River 2 650 +185.05
Upper-Babocomari-River 1 0 -60.47
Tippecanoe-River 6 441 -52.16
Wintering-River 1 23 -0.44
Alapaha-River 3 254 +36.6
Cossatot-River 1 36 +19.63
Savannah-River 6 185,000 +50.73
Deschutes-River 5 4,350 -15.11
Cedar-River 16 1,700 -76.41
Nolan-River 1 1 -68.81
Klamath-River 6 2,220 -26.15
Appomattox-River 3 1,260 +34.62
Mimbres-River 1 3 -66.04
Wood-River 3 361 -0.28
Boiling-River 1 20 -4.29
Nashua-River 1 224 -31.31
Guest-River 1 48 -5.33
Lumber-River 3 1,600 +7.04
Magnolia-River 1 32 +35.86
Little-Shenango-River 1 29 -46.61
Fraser-River 3 36 -8.79
Rappahannock-River 2 882 -6.55
Lamprey-River 1 28 -77.99
Conasauga-River 2 421 -26.46
Link-River 1 865 -4.01
Weekeepeemee-River 1 14 -65.67
Bogue-Chitto-River 1 974 +20.04
Malad-River 1 0 -99.87
Maries-River 1 10 -46.86
South-Grand-River 2 2 -94.55
Conemaugh-River 3 354 -65.51
Marias-River 3 559 -23.13
Fall-River 3 11 -31.12
Tomorrow-River 1 34 +11.66
Cispus-River 1 494 -29.29
Rainbow-River 1 689 -10.4
Agua-Fria-River 3 1 -44.72
Umatilla-River 3 240 -0.23
Yockanookany-River 2 64 -9.99
Blanchard-River 6 47 -81.8
Potlatch-River 1 29 -10.81
Seneca-River 1 168 -88.84
Nehalem-River 2 869 -45.98
Hanalei-River 1 75 -58.98
Clark-Fork-River 1 5,650 -22.91
Chenango-River 3 289 -82
Yampa-River 7 274 -43.34
Swannanoa-River 1 152 +31.81
Wisconsin-River 6 8,150 -27.06
Noxubee-River 2 138 +32.54
Sheboygan-River 1 78 -72.82
Muscoot-River 2 26 +3.04
Yellow-Creek 1 0 -53.77
Nemadji-River 1 151 -34.73
Mancos-River 1 0 -99.89
Pearl-River 8 3,450 +192.62
Styx-River 1 224 +30.76
Queen-River 1 5 -69.41
Shoal-River 2 846 +31.96
Salmon-River 8 5,070 -3.98
Coosawattee-River 3 893 +23.87
Boeuf-River 1 277 +227.23
Peshtigo-River 3 977 -15.12
Calawah-River 1 1,130 +1.12
Presumpscot-River 1 239 -15.32
Maury-River 2 299 +27.54
Middle-Saluda-River 1 65 +36.51
Rogue-River 10 3,580 -27.9
Thief-River 1 101 -72.93
Current-River 3 2,330 +32.14
Sulphur-River 3 629 +6.34
Pequannock-River 2 24 -68.47
Siletz-River 1 507 -60.2
Tuscarawas-River 4 669 -1.47
Paint-River 1 265 +2.79
Anclote-River 2 41 -25.63
Pend-Oreille-River 2 30,700 +10.23
Flatrock-River 2 59 -48.74
Sacramento-River 12 52,300 -21.47
South-Saluda-River 1 36 +150.35
Snohomish-River 1 20,200 +65.54
Escalante-River 1 1 -82.72
Conejos-River 2 50 -47.24
Skokomish-River 1 750 -48.55
Wild-River 1 205 -43.07
Flambeau-River 1 1,590 -30.19
Little-Schuylkill-River 1 16 -70.32
Apple-River 1 135 -25.92
Ortega-River 1 30 -33.07
Alafia-River 1 380 -11.48
Clarion-River 4 203 -65.46
Guadalupe-River 18 605 -10.07
Cashie-River 1 16 -25.84
Pomperaug-River 1 41 -62.74
Little-Pigeon-River 1 235 +36.63
Little-Manatee-River 2 47 -72.43
Little-Washita-River 3 19 +52.8
Fremont-River 1 54 -25.26
Otter-Tail-River 2 480 -12.2
East-Verde-River 1 12 +15.17
English-River 1 18 -91.25
Gasconade-River 3 940 -7.56
Alsea-River 1 139 -79.9
Aransas-River 1 3 -3.41
Prairie-River 3 205 +26.8
Second-River 1 6 -63.67
Shepaug-River 1 9 -87.43
Jump-River 1 325 -66.83
Thornapple-River 1 166 -41.3
Saluda-River 6 1,660 +36.13
South-Anna-River 1 202 +61.77
Independence-River 1 88 -62.18
Ponaganset-River 1 5 -62.68
Diamond-River 1 1,070 +249.92
Shetucket-River 2 174 -54.61
Pocono-Creek 1 24 -67.27
Emory-River 1 111 -75.55
Redwood-River 2 31 -89.52
Gallinas-River 2 1 -79.8
Sisquoc-River 2 0 -99.21
Vermillion-River 2 85 -67.18
Kanawha-River 2 6,180 -3.42
Tongue-River 7 237 -12.51
Purgatoire-River 7 0 -89.74
North-Platte-River 4 1,440 +98.38
Animas-River 9 185 -50.3
Neuse-River 5 4,160 -28.97
Ammonoosuc-River 1 500 +166.99
Payette-River 4 1,030 -11.55
Allegheny-River 10 4,040 -61.72
Chickahominy-River 1 558 +172.23
Michigan-River 2 13 -69.66
White-Salmon-River 1 496 -32.59
Calcasieu-River 3 8,260 +611.41
Lamar-River 1 230 +1.95
Hillsborough-River 5 305 -26.33
Toutle-River 1 919 -50.95
Bighorn-River 4 2,750 -18.06
Manitowoc-River 1 78 -77.81
Owyhee-River 4 121 -15.05
Nisqually-River 4 2,100 +103.25
Fenholloway-River 2 227 +61.91
Nolichucky-River 3 1,680 +46.66
Tittabawassee-River 1 941 -28.9
Mississinewa-River 1 45 -79.51
Cass-River 1 101 -45.99
Ecorse-River 1 8 -29.57
Little-Spokane-River 1 184 +6.91
Straight-River 2 137 -50.77
Ocklawaha-River 5 2,520 +65.15
Falls-River 4 557 -8.67
Naugatuck-River 2 192 -53.03
Fowl-River 1 31 +28.13
East-River 3 58 -44.66
Halls-River 1 187 +46.55
Piceance-Creek 1 4 -79.66
Humboldt-River 8 192 +32.51
Hood-River 1 460 -33.42
Stehekin-River 1 2,070 +94.96
North-Meherrin-River 1 20 -35.16
Maquoketa-River 2 887 -28.21
Millers-River 2 435 -0.3
Wainiha-River 1 48 -27.36
Little-Sioux-River 3 343 -75.27
Oconee-River 6 2,420 +98.43
Neshanic-River 1 12 -14.24
Otselic-River 1 25 -87.22
Quashnet-River 1 13 -13.1
Neosho-River 8 299 -52.5
Bruneau-River 2 58 -29.93
Tenmile-River 1 48 -76.02
South-Kawishiwi-River 1 93 -74.5
Contoocook-River 3 653 +7.44
Chippewa-River 7 6,790 -35.05
Okanogan-River 3 1,970 +41.5
Kings-River 1 34 -72.91
Uinta-River 2 37 -54.24
Salem-River 1 18 +56.39
Kaskaskia-River 8 1,330 -2.82
Pond-River 1 29 -7.12
Quaboag-River 1 158 +1.31
Back-River 1 31 -98.1
Yakima-River 4 2,990 +39.65
Lower-Atchafalaya-River 1 37,500 -34.27
Wilson-River 1 567 -44.61
Hockanum-River 1 68 -13.69
Castor-River 1 222 +47.41
Wakarusa-River 2 8 +56.94
Loosahatchie-River 1 99 +1.19
Whiterocks-River 1 35 -52.63
Mullica-River 1 76 +7.91
Unadilla-River 1 102 -83.81
Gibbon-River 1 93 -6.52
Jackson-River 3 282 -3.75
Mukwonago-River 1 33 -30.03
Mermentau-River 1 9,120 +317.56
White-River 37 272 -14.68
Valley-River 1 137 +12.56
Williams-River 2 61 -73.46
Carson-River 5 431 +60.42
Ducktrap-River 1 2 -87.45
Wallkill-River 1 181 -82
Redwater-River 2 200 -5.46
Musselshell-River 6 86 -0.09
Ogden-River 2 15 +41.19
Clearwater-River 7 10,200 +117.9
Walla-Walla-River 1 73 -21.11
Bois-Brule-River 1 161 -4.99
Mora-River 2 5 -55.75
Tallulah-River 2 218 +85.8
Washita-River 8 434 +31.61
Floyd-River 2 77 -68.6
Little-Cottonwood-River 1 17 -87.79
Willow-River 1 198 +19.92
Chipola-River 2 1,520 +33.81
Shawsheen-River 2 37 +17.12
Aberjona-River 1 26 -31.85
Merced-River 2 17 -76.14
West-Okaw-River 1 0 -98.82
Quinapoxet-River 1 6 -79.02
Neversink-River 4 129 -72.73
Ararat-River 1 375 +75.07
Pecatonica-River 4 1,730 -43.58
Paskamanset-River 1 3 -84.33
Nipmuc-River 1 1 -93.52
Juniata-River 4 720 -62.26
Mohawk-River 4 2,530 -58.17
Walloomsac-River 1 124 -58.46
Huron-River 4 200 -47.09
First-Broad-River 1 90 +96.84
Russian-River 10 175 -12.06
Dowagiac-River 1 260 -20.78
Chemung-River 3 183 -82.84
Mechums-River 1 66 +33.62
Pootatuck-River 1 15 -65.61
Lower-River 1 59 +39.34
Sabinal-River 3 0 -67.06
Niangua-River 2 252 +2.16
Lehigh-River 6 835 -39.56
Mashel-River 1 210 -2.33
Pascagoula-River 2 2,840 -29.5
Oconaluftee-River 1 403 +33.49
Ford-River 1 494 -23.03
Hyco-River 1 7 -68.16
Minnesota-River 7 2,720 -70.58
South-Mayo-River 1 126 +53.34
Muskingum-River 4 1,670 -11.64
Huerfano-River 3 7 -47.78
Bourbeuse-River 2 112 -17.91
Turkey-River 4 1,040 -6.31
South-Yamhill-River 1 181 -73.76
Waccamaw-River 3 2,220 -54.77
Spoon-River 2 123 -71.21
Little-Calumet-River 3 57 -21.38
Pere-Marquette-River 1 644 -7.82
Cape-Fear-River 1 3,970 +30.84
Mojave-River 1 2 -68.81
Skookumchuck-River 3 115 -22.3
Llano-River 3 87 -5.38
Robinson-River 1 172 +26.28
Manistique-River 1 1,750 -17.71
Buffalo-River 8 651 +28.37
Boone-River 1 13 -97.32
Ouachita-River 3 2,690 +42.5
Indian-River 2 134 -35.3
Westfield-River 2 295 -56.84
Ocheyedan-River 1 12 -93.03
Presque-Isle-River 1 437 +9.83
Yahara-River 6 481 -16.55
Quinnipiac-River 2 98 -40.33
Chelan-River 1 76 -3.64
South-Yadkin-River 1 429 +122.74
Little-Androscoggin-River 1 90 -0.7
Laramie-River 3 34 -42.11
Jordan-River 2 206 +11.53
Rifle-River 1 231 -1.37
Oneida-River 1 297 -88.95
Nezinscot-River 1 250 +10.27
Taunton-River 1 119 -39.17
Chiwawa-River 1 431 +72.48
Maurice-River 1 192 +60.16
Loup-River 2 2,080 +217.34
Mazon-River 1 5 -95.09
Nanticoke-River 1 126 +59.15
Lackawaxen-River 3 80 -57.35
Moose-River 1 156 +50.16
Manasquan-River 2 42 -30.3
Gros-Ventre-River 2 264 -0.08
Flat-River 2 81 +110.87
Hocking-River 2 120 -82.54
Usquepaug-River 1 17 -42.22
Little-Auglaize-River 1 21 -61.64
Biloxi-River 1 7 -68.16
Clyde-River 1 339 +45.14
Jemez-River 1 7 -52.23
Bill-Williams-River 2 25 +13.26
Squannacook-River 1 22 -41.8
Boise-River 5 768 -20.54
Piscataquog-River 1 115 +10.75
Little-Wind-River 1 198 -37.34
Woonasquatucket-River 1 30 -4.63
Greenbrier-River 4 293 -44.95
Cheat-River 2 196 -77.84
Sangamon-River 6 526 -58.27
Samish-River 1 150 +4.17
Alamosa-River 3 9 -48.14
Salt-River 11 3,500 +65.79
Winnipesaukee-River 1 803 +189.96
Rabbit-River 1 30 -35.29
Upper-Ammonoosuc-River 1 653 +89.26
Moyie-River 1 62 -69.59
Flint-River 12 7,700 +107.39
Malheur-River 1 64 -27.73
Watonwan-River 1 76 -83.67
Elevenpoint-River 1 854 +27.34
Salinas-River 5 74 -46.97
Little-Cottonwood-Creek 1 2 -73.23
Paluxy-River 1 4 -27.32
Elkhorn-River 5 815 -43.28
Natchaug-River 1 23 -84.74
Ruby-River 3 160 +18.78
Breitenbush-River 1 173 -57.72
Looking-Glass-River 1 33 -63.76
Blue-River 15 529 -12
Mulberry-River 1 25 -75.53
Otter-River 1 42 +2.65
Little-Cahaba-River 3 72 +30.88
Twisp-River 1 183 +97.88
Scott-River 1 7 -89.51
Cowpasture-River 1 153 +2.45
Palatlakaha-River 2 65 -41.34
Cumberland-River 3 8,450 -29.11
Nishnabotna-River 1 335 -82.11
Deerfield-River 2 635 -56.73
Cheoah-River 1 98 -34.37
Minam-River 1 101 +3.26
Glover-River 1 21 -69.54
Imperial-River 1 291 +37.66
Spirit-River 1 35 -75.52
Coosa-River 2 12,000 +130.9
Musconetcong-River 2 169 -14.58
Wind-River 4 609 +0.4
Pawnee-River 2 0 -99.98
Bush-River 1 31 +51.56
Sinsinawa-River 1 39 -3.87
Withlacoochee-River 18 1,550 +27.55
Molalla-River 1 205 -41.95
Cuivre-River 1 14 -77.23
Croton-River 1 77 -75.32
Walnut-River 1 65 -63.39
Brule-River 2 876 +14.96
Chewuch-River 1 102 -26.68
Laplatte-River 1 7 -93.79
Mississippi-River 20 327,000 -6.58
Kickapoo-River 2 693 -0.3
Kokosing-River 1 68 -8.97
Stonycreek-River 1 114 -67.34
North-Nashua-River 2 45 -71.75
Dungeness-River 1 194 -21.88
Yadkin-River 5 3,320 +61.24
Ipswich-River 2 63 +0.65
Petit-Jean-River 2 286 +59.22
Vermejo-River 1 1 -88.47
Lemonweir-River 1 269 -40.91
Sequatchie-River 1 193 +4.09
Frio-River 3 16 -60.12
Saranac-River 1 677 -17.51
Little-Tallahatchie-River 1 75 +48.63
Languille-River 2 401 -33.07
Still-River 2 96 -29.24
Pound-River 1 152 -6.31
Crow-River 1 217 -88.79
Applegate-River 3 181 -37.44
Clinch-River 4 686 +20.18
Lost-River 1 21 -53.95
Pajaro-River 1 1 -90.25
South-Skunk-River 4 72 -93.31
Muskegon-River 2 1,340 -14.49
Clarks-River 2 352 +711.43
Sleepers-River 1 32 -47.17
Swiftwater-Creek 1 8 -64.11
Mackinaw-River 2 272 -13.13
Tangipahoa-River 2 598 +43.16
Republican-River 11 572 +61.13
Provo-River 5 157 -11.19
Middle-Fork-River 1 14 -85.27
Cascade-River 1 1,810 +49.97
Winooski-River 2 1,190 -33.48
Little-Ausable-River 1 27 -28.63
Rapid-River 1 11 -97.4
Marmaton-River 3 5 -97.43
Cottonwood-River 3 87 -86.94
Hatchie-River 3 2,210 +130.95
Sabana-River 1 0 -80.56
Waccasassa-River 1 487 -28.89
Santa-Clara-River 3 15 +79.21
Park-River 1 4 -92.44
North-Santiam-River 3 4,190 -0.79
Silver-River 2 691 -0.07
Yaak-River 1 150 -22.24
Pembina-River 2 39 -86.81
Bitterroot-River 3 4,190 +204.24
West-Nishnabotna-River 2 193 -80.07
Slate-River 1 124 +47.01
Gallatin-River 2 755 +1.97
Wild-Rice-River 4 148 -63.68
Volga-River 1 114 -50.63
Chadakoin-River 1 59 -78.09
Banister-River 1 350 +59.53
Hawlings-River 1 15 -43.51
Monocacy-River 3 119 -85.67
Smith-River 12 768 +108.58
Root-River 6 705 -30.84
Carmel-River 2 6 -21.8
Cowlitz-River 4 4,790 -30.82
Little-Muddy-River 1 9 -22.93
Duckabush-River 1 179 -46.21
Cosumnes-River 1 13 -64.91
Moshassuck-River 1 9 -56.72
Spokane-River 4 2,150 -11.52
Homosassa-River 1 404 -36.48
Willimantic-River 1 61 -46.6
Sevenmile-River 1 5 -29.44
Mills-River 1 245 +63.99
Sheepscot-River 1 68 -26.88
Fish-River 2 1,510 +114.49
Cannon-River 1 652 -30.62
Little-Tallapoosa-River 3 229 +47.64
Bluestone-River 2 102 -12.25
East-Nishnabotna-River 2 109 -78.99
Farmington-River 2 340 -48.71
Hardware-River 1 82 +8.97
Mattaponi-River 2 1,140 +189.77
French-Broad-River 7 3,200 +89.01
Branch-River 1 124 -7.54
Hoosic-River 3 349 -54.64
Gardner-River 1 116 -5.23
Carrabassett-River 1 994 +102.79
Little-Miami-River 2 703 +52
Dearborn-River 1 77 +6.01
Lower-Little-River 1 48 +99.58
Oswego-River 2 764 -84.65
Mettawee-River 1 47 -72.09
Priest-River 2 1,380 +42.05
Crystal-River 1 57 -39.85
Chattahoochee-River 13 26,400 +364.33
Toccoa-River 1 420 +3.64
Little-Yadkin-River 1 31 +34.56
Neponset-River 3 277 +69.76
Edwards-River 2 38 -75.87
Hoko-River 1 710 +40.81
Popple-River 1 132 -15.19
Finley-Creek 1 46 -46.93
Coldwater-River 1 70 +22.4
Cross-River 2 8 -74.98
Christina-River 1 9 -39.02
South-Platte-River 17 84 -43.26
Iowa-River 8 2,230 -80.76
Calfpasture-River 1 41 +18.53
Sacandaga-River 2 414 +15.57
Stillwater-River 4 600 +5.54
Little-Salmon-River 2 167 -19.45
North-Canadian-River 11 223 -29.08
Galien-River 1 38 -26.05
Watauga-River 2 499 +2.25
Long-Pine-Creek 1 211 +24.36
N.Umpqua-River 4 842 +141.41
Little-Bear-River 1 43 -0.07
Outlet-River 1 221 +25.57
Chattooga-River 3 879 +135.28
Pack-River 1 70 -36.89
North-Oconee-River 1 200 +66.68
Medina-River 3 70 -18.58
Steinhatchee-River 1 537 +284.09
Crow-Wing-River 2 1,150 -39.93
Luckiamute-River 1 118 -69.93
Muddy-River 2 40 -6.56
Warner-River 1 93 -22.9
Comal-River 3 277 +23.73
Roanoke-River 6 14,100 +42.28
Grant-River 1 259 -1.18
Basswood-River 1 199 -76.55
Huasna-River 1 0 -80.39
American-River 2 1,680 -3.98
Middle-Tyger-River 2 56 +43.59
Mckenzie-River 8 2,810 -18.05
Threemile-River 1 66 +5.75
Raft-River 1 19 +134.02
Escatawpa-River 1 420 +10.44
Johns-River 1 432 +39.35
Shoshone-River 1 948 +3.14
Sugar-River 2 415 -17.23
Noyo-River 1 1 -85.91
Souris-River 6 49 -83.98
Grass-River 1 457 -48.41
Tellico-River 1 161 +21.11
Rockaway-River 1 13 -67.72
Apalachee-River 2 127 +70.1
Little-Juniata-River 1 71 -55.01
Thompson-River 3 175 +8.4
Lackawanna-River 4 62 -80.51
Manatee-River 1 34 -47.57
Cocheco-River 1 34 -39.05
Canoochee-River 1 4 -85.93
False-River 1 34,100 -14.43
Trinity-River 19 1,440 -24.41
(Coe)-Atchafalaya-River 1 115,000 -18.96
Chickasawhay-River 3 763 -15.9
Alcovy-River 3 148 +95.69
Teton-River 5 477 -11.75
Catawba-River 3 8,900 +100.09
Ware-River 3 117 -22.22
Hackensack-River 3 39 -31.92
Cohocton-River 2 42 -76.53
Little-Wabash-River 3 303 +229.89
Ramapo-River 4 65 -65.27
Babocomari-River 1 0 -98.21
Alabama-River 2 12,100 +27.09
Lynches-River 2 1,540 +48.72
Olentangy-River 3 299 +72.58
Goose-River 2 29 -93.84
Pasquotank-River 1 55 -48.45
Nacimiento-River 2 41 -63.23
Tallahatchie-River 1 7,750 +22.18
Middle-Oconee-River 2 323 +93.3
Mongaup-River 2 86 -22.05
Pedernales-River 2 2 -93.16
Little-Patuxent-River 2 42 -54
Penobscot-River 1 16,800 +64.8
Taylor-River 3 121 -20.8
Edisto-River 1 1,780 -5.7
Suncook-River 1 85 -48.49
Little-Blue-River 3 87 -14.81
W.F.-River 1 76 -45.71
South-Pacolet-River 1 85 +60.56
Loxahatchee-River 1 259 +74.61
Niobrara-River 3 2,460 +24.89
Grand-River 11 0 -97.84
Entiat-River 2 273 +41.94
Belle-Fourche-River 2 65 -73.87
Shade-River 1 2 -99.29
Elizabeth-River 1 12 -63.6
Poultney-River 1 38 -77.12
Winnicut-River 1 7 -33.21
Potomac-River 5 3,030 -36.02
Meduxnekeag-River 1 129 +22.31
Skagit-River 4 27,500 +34.75
Duwamish-River 1 1,870 +37.2
Reedy-River 2 121 +8.36
Linville-River 1 145 +16.77
Rock-River 10 5,550 -41.71
Pedlar-River 1 17 -3.65
Skokie-River 2 5 -62.29
Buckhannon-River 2 27 -86.23
Yellowstone-River 9 7,870 -11.18
Sultan-River 2 659 -5.72
North-Umpqua-River 2 981 -47.61
Boardman-River 1 123 +1.82
Santa-Cruz-River 8 46 -22.47
Manistee-River 3 1,970 +8.3
Tickfaw-River 2 95 -6.12
North-Skunk-River 1 34 -89.88
Kiskiminetas-River 1 475 -63.87
Little-Wolf-River 1 873 +38.67
Barren-River 1 2,560 +13.8
Snake-River 27 14,800 -7.37
Ocoee-River 1 592 -17.78
Greys-River 1 330 -6.43
Sepulga-River 1 83 -18.32
Genesee-River 4 645 -45.33
Suwannee-River 10 10,200 +19.58
Powell-River 3 355 -27.19
Santiam-River 1 5,050 -14.98
Peace-River 8 1,620 +26.64
Rahway-River 2 19 -73.55
Lemhi-River 2 165 -35.85
North-Raccoon-River 2 91 -88.94
Mahoning-River 5 654 +29.56
Segreganset-River 1 7 -31.77
Chetco-River 1 115 -87.44
Paint-Rock-River 1 125 -6.38
Kankakee-River 6 812 -69.28
Mokelumne-River 1 13,000 -5.11
Spring-River 6 576 +6.01
Alamo-River 1 677 -22.66
Little-Platte-River 2 13 -90.98
Blanco-River 5 22 -8.61
Little-Powder-River 1 4 -41.96
Aucilla-River 1 206 +302.89
Barron-River 1 94 +32.44
Blue-Earth-River 1 190 -85.99
Falling-Water-River 1 27 -12.3
Souhegan-River 2 77 -38.29
Truckee-River 13 457 +27.65
Sipsey-River 1 169 -15.31
Virgin-River 8 115 +2.04
Narraguagus-River 1 204 -18.03
Tuckasegee-River 3 1,650 +63.82
Spicket-River 2 154 -11.69
Parker-River 1 1 -86.97
Madison-River 6 1,470 -0.68
Lamington-(Black)-River 1 27 -21
Clinton-River 4 238 -54.89
Cahaba-River 9 640 -2.07
Duchesne-River 4 95 -15.41
French-River 1 57 -36.32
Millstone-River 1 274 +14.92
Altamaha-River 2 6,870 +91.15
North-Fork-River 1 620 +43.41
Satilla-River 2 362 -5.14
Cooper-River 1 11 +23.4
Pecos-River 25 110 -1.98
Canisteo-River 3 47 -70.33
Wichita-River 3 30 -30.21
Verdigris-River 6 114 -96.65
Nissequogue-River 1 31 -15.31
Grand-Calumet-River 1 548 +3.36
Marsh-River 1 0 -98.61
Selway-River 1 4,700 +249.36
Menomonee-River 2 27 -52.17
Concho-River 2 15 +54.55
Cheyenne-River 7 218 -68.56
Hassayampa-River 1 21 -95.82
Willapa-River 1 300 -39.49
Lochsa-River 1 2,990 +209.24
Brazos-River 15 1,640 -28.01
Choctawhatchee-River 5 5,570 +18.97
Colville-River 1 133 -3.55
Boulder-River 2 288 +10.68
Guyandotte-River 2 178 -41.29
Nodaway-River 3 72 -87.88
Pigg-River 1 393 +89.49
Saugus-River 1 7 -75.06
Rapidan-River 2 481 +15.56
Weiser-River 2 128 -15.09
Obed-River 1 75 -71.42
Oconto-River 2 734 -10.22
Weber-River 9 106 -10.74
Little-Blackfoot-River 1 180 +93.97
Cache-River 3 1,560 +582.35
North-Anna-River 2 151 +60.9
Coal-River 1 224 -51.2
Kootenai-River 5 5,690 +4.96
Williamson-River 2 513 -11.28
Tuolumne-River 6 328 -21.13
Little-Kanawha-River 1 81 -80.04
Portneuf-River 3 320 -24.43
Pocatalico-River 1 8 -74.43
South-Fabius-River 1 29 -53.52
Stanislaus-River 1 764 -12.55
Tallapoosa-River 5 6,820 +171.49
Pilchuck-River 1 865 +60.68
Wading-River 1 16 -33.95
Chicamacomico-River 1 17 +113.83
Tucannon-River 1 82 -11.86
Meadow-River 1 56 -61.72
Titicus-River 1 9 -1.26
Perdido-River 1 479 +46.89
Susquehanna-River 16 4,540 -77.61
Housatonic-River 5 585 -51.48
Nolin-River 1 85 -57.37
Embarras-River 3 179 -35.47
Snoqualmie-River 2 7,330 +59.16
Cannonball-River 3 15 -80.36
Caney-River 3 44 -74.29
Chestatee-River 1 309 +57.17
Quinault-River 1 3,890 -0.11
Passumpsic-River 1 641 +19.99
Oostanaula-River 2 1,010 -16.01
Oyster-River 1 1 -78.26
Cuyahoga-River 5 884 -33.72
Fryingpan-River 3 31 -49.31
Tygart-Valley-River 4 610 -68.15
Cranes-Nest-River 1 19 -57.76
Atascosa-River 2 1 -15.2
Dyberry-Creek 1 13 -91.14
Isinglass-River 1 13 -79.64
Ohoopee-River 1 86 -11.7
Carbon-River 1 661 +41.17
Homochitto-River 2 437 +62.63
Lamine-River 1 8 -84.34
Mission-River 1 0 -91.36
Ottauquechee-River 2 149 -42.61
Klickitat-River 3 807 -11.06
Pudding-River 2 232 -58.04
Sandusky-River 4 59 -85.53
Elkhart-River 1 89 -50.15
Wateree-River 1 12,000 +163.22
Second-Broad-River 1 116 +64.56
Middle-Raccoon-River 2 30 -88.19
Harpeth-River 4 228 -11.87
Little-Withlacoochee-River 2 77 +3.19
Amargosa-River 2 1 -3.49
Little-Nemaha-River 1 81 -43.62
Middle-River 5 8,530 -5.72
Kentucky-River 12 3,540 -49.83
Ashuelot-River 5 542 +16.59
Pine-River 3 612 +5.19
Sand-Hill-River 1 40 -54.57
Rocky-River 5 614 -9.94
Middle-Loup-River 1 535 +9.28
Marys-River 2 25 -81.95
Ottawa-River 3 36 +4.09
Ochlockonee-River 5 1,350 +89.79
Brodhead-Creek 2 125 -73.3
Skykomish-River 1 9,100 +61.41
Moreau-River 3 20 -96.17
Shasta-River 2 97 -29.67
Cimarron-River 12 240 -19.77
Knife-River 4 35 -79.05
Blackfoot-River 7 941 +49.79
Gila-River 11 205 +62.83
Little-Bighorn-River 2 194 +10.59
Scioto-River 10 2,650 +104.07
Kennebec-River 3 8,430 +38.2
Santee-River 2 17,400 +157.25
Iroquois-River 4 72 -88.77
Navasota-River 3 26 -20.26
Aroostook-River 2 7,950 +232.68
Chariton-River 5 74 -85.99
Colorado-River 35 11,000 +4.35
Paria-River 2 8 -67.35
Quinebaug-River 6 368 -38.83
Pike-River 2 261 +14.61
Little-Lost-River 2 45 +6.79
Shenango-River 3 193 -54.5
Lampasas-River 3 67 +127.4
North-Loup-River 2 1,240 +26.3
Metolius-River 1 1,270 -11.67
Licking-River 5 670 -53.9
Comite-River 1 177 +120.64
Conestoga-River 2 259 -65.31
Mayo-River 1 362 +77.02
Crawfish-River 1 530 -33.2
Youghiogheny-River 7 674 -59.61
Chagrin-River 1 430 -49.95
Skunk-River 1 166 -95.56
South-Santiam-River 3 1,250 -28.54
North-Pacolet-River 1 200 +76.77
Maumee-River 5 508 -27.91
Swift-River 2 275 +62.23
Ninnescah-River 1 101 -20.61
Lamoille-River 2 944 -20.34
Swimming-River 1 36 -30.94
Chunky-River 1 51 -73.99
Androscoggin-River 4 6,770 +45.59
White-Earth-River 1 5 -61.67
Tensas-River 1 1,480 +473.67
Strawberry-River 2 56 -49.13
Dead-River 1 250 -55.48
Yocona-River 1 39 +0.28
Sabine-River 12 15,500 +274.87
Congaree-River 1 6,170 +88.45
Kansas-River 6 1,450 -67.38
Nueces-River 10 75 -46.38
Delaware-River 10 3,150 -61.32
Little-Missouri-River 4 56 -83.28
Piscataquis-River 3 3,150 +53.04
Allagash-River 1 4,290 +217.7
Sandy-River 4 2,050 +146.6
Arkansas-River 39 100 -47.12
Logan-River 1 121 -12.25
Shark-River 1 13 -26.99
Yuba-River 1 698 +7.15
Wekiva-River 1 403 +29.91
James-River 25 4,280 +19.29
Maple-River 7 94 -69.45
Tombigbee-River 9 3,540 -52.57
Monongahela-River 2 1,630 -69.13
Wynoochee-River 3 831 -37.66
Yellow-Bank-River 1 17 -74.16
Econlockhatchee-River 2 324 -16.43
Pequest-River 2 44 -66.27
Satsop-River 1 1,190 -32.31
Shiawassee-River 1 99 -53.41
Poplar-River 2 33 -38.81
Navajo-River 2 28 -27.29
Tobacco-River 1 276 -8.55
Charles-River 4 165 +17.5
Shenandoah-River 1 1,270 -3.93
Sooes-River 1 222 -4.59
Toms-River 1 221 +50.35
Bear-River 12 486 -28.45
Lewis-River 2 3,840 -7.94
Myakka-River 5 233 -8.57
Little-Black-River 1 98 +56.76
Swan-River 2 750 +25.35
Cuyama-River 1 0 -74.6
Shields-River 1 127 -14.07
Blackwater-River 7 1,970 +278.69
Connecticut-River 10 17,700 +43.63
Black-Warrior-River 2 4,720 +11.71
Green-River 20 10,300 +45.72
Roanoke-(Staunton)-River 2 1,870 +30.26
Skuna-River 1 14 -10.79
Fourche-Lafave-River 2 68 -77.34
Siuslaw-River 1 190 -75.54
Ichetucknee-River 1 310 -5.05
Salkehatchie-River 1 132 -37.41
Indian-Head-River 1 11 -59.56
Umpqua-River 1 1,120 -63.58
Roseau-River 3 46 -90.29
Chehalis-River 4 1,890 -23.48
Trempealeau-River 2 510 -4.51
Jefferson-River 2 1,310 -7.28
Apishapa-River 1 13 +8.49
Leona-River 1 9 -55.94
Buttahatchee-River 2 338 -1.23
Great-Miami-River 9 2,020 +46.07
Wacissa-River 1 332 -11.35
Little-Muskingum-River 1 5 -91.65
Tilton-River 1 655 -23.76
Wyaconda-River 1 2 -95.68
Moormans-River 1 59 +66.81
Driftwood-River 1 214 -36.55
Exeter-River 1 11 -66.75
Savage-River 1 5 -73.61
Rockcastle-River 1 130 -51.78
Tioga-River 5 102 -80.33
Nooseneck-River 1 3 -73.59
Greenwater-River 1 146 +52.78
Coginchaug-River 1 17 -49.04
Walker-River 4 11 -72.11
Trask-River 1 390 -39.2
Amite-River 3 1,080 +36.32
Davidson-River 1 190 +70.66
Mahwah-River 1 2 -89.91
Saddle-River 3 83 -30.58
Little-Tennessee-River 2 1,120 +104.57
Pigeon-River 7 987 +26.51
Little-Colorado-River 7 225 -0.93
Little-Cedar-River 1 43 -77
Powder-River 3 163 -41.39
Saugatuck-River 2 16 -77.7
Firehole-River 1 247 -11.66
Grande-Ronde-River 1 984 +15.96
Tradewater-River 1 659 +433.56
Milk-River 8 461 +340.9

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The USGS maintains a hierarchical system of hydrologic units broken up into regions, sub-regions, accounting units, and cataloging units.

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