Wormillion › Places › Rivers › Off the map
Off the map: rivers at 50–70% obscurity
50–70% obscurity: a solid answer that digs a real distance. 1,720 rivers.
Rarest here: Abakan (69%). Most famous: Yarmouk (50%).
| Place | Obscurity | Views / month | Points |
|---|---|---|---|
| Aa | 57% | 396 | 722 |
| Abakan | 69% | 122 | 931 |
| Abitibi | 64% | 213 | 830 |
| Abra | 62% | 244 | 806 |
| Abukuma | 67% | 152 | 890 |
| Aconcagua River | 61% | 274 | 785 |
| Adelaide River | 52% | 639 | 642 |
| Adour | 54% | 517 | 677 |
| Adur | 53% | 578 | 658 |
| Agano | 65% | 183 | 857 |
| Agua Fria | 53% | 548 | 667 |
| Agusan | 59% | 335 | 750 |
| Ahr | 58% | 365 | 736 |
| Ain | 60% | 304 | 767 |
| Aisne | 51% | 670 | 634 |
| Alagnak | 65% | 183 | 857 |
| Alamo | 55% | 457 | 697 |
| Alapaha | 55% | 457 | 697 |
| Alazani | 56% | 426 | 709 |
| Albany River | 52% | 639 | 642 |
| Alcantara | 57% | 396 | 722 |
| Alcovy | 69% | 122 | 931 |
| Aldan | 64% | 213 | 830 |
| Alde | 61% | 274 | 785 |
| Alfeios | 52% | 609 | 650 |
| Allagash | 52% | 609 | 650 |
| Aller | 59% | 335 | 750 |
| Allier | 55% | 487 | 687 |
| Alma | 59% | 335 | 750 |
| Almond | 61% | 274 | 785 |
| Alsek | 58% | 365 | 736 |
| Altaelva | 62% | 244 | 806 |
| Altmuhl | 61% | 274 | 785 |
| Alum Creek | 58% | 365 | 736 |
| Alz | 69% | 122 | 931 |
| Alzette | 56% | 426 | 709 |
| Amargosa | 51% | 700 | 627 |
| Ambleve | 67% | 152 | 890 |
| Amite | 59% | 335 | 750 |
| Ammonoosuc | 57% | 396 | 722 |
| Amper | 62% | 244 | 806 |
| Anadyr | 59% | 335 | 750 |
| Anapo | 69% | 122 | 931 |
| Andarax | 67% | 152 | 890 |
| Angat | 57% | 396 | 722 |
| Angelina | 62% | 244 | 806 |
| Angermanalven | 69% | 122 | 931 |
| Aniene | 55% | 487 | 687 |
| Anker | 61% | 274 | 785 |
| Ankobra | 67% | 152 | 890 |
| Annan | 61% | 274 | 785 |
| Apa | 64% | 213 | 830 |
| Apaporis | 69% | 122 | 931 |
| Applegate | 65% | 183 | 857 |
| Appomattox | 53% | 578 | 658 |
| Apure | 67% | 152 | 890 |
| Arachthos | 67% | 152 | 890 |
| Arade | 65% | 183 | 857 |
| Aragon | 64% | 213 | 830 |
| Araguaia | 52% | 609 | 650 |
| Araguari | 65% | 183 | 857 |
| Aragvi | 61% | 274 | 785 |
| Arakawa | 53% | 548 | 667 |
| Arauca | 69% | 122 | 931 |
| Arc | 69% | 122 | 931 |
| Arctic Red | 69% | 122 | 931 |
| Arda | 60% | 304 | 767 |
| Ardeche | 50% | 731 | 620 |
| Argen | 69% | 122 | 931 |
| Arges | 56% | 426 | 709 |
| Arghandab | 52% | 639 | 642 |
| Argun | 51% | 670 | 634 |
| Ariege | 67% | 152 | 890 |
| Aries | 65% | 183 | 857 |
| Arikaree | 55% | 487 | 687 |
| Arlanza | 67% | 152 | 890 |
| Aroostook | 64% | 213 | 830 |
| Arroyo Colorado | 69% | 122 | 931 |
| Artibonite | 56% | 426 | 709 |
| Aruwimi | 65% | 183 | 857 |
| Arve | 54% | 517 | 677 |
| Asahan | 69% | 122 | 931 |
| Ashburton | 67% | 152 | 890 |
| Ashuelot | 64% | 213 | 830 |
| Asopos | 64% | 213 | 830 |
| Athi-Galana | 55% | 487 | 687 |
| Atrai | 59% | 335 | 750 |
| Atrak | 64% | 213 | 830 |
| Atrato | 51% | 670 | 634 |
| Attawapiskat | 67% | 152 | 890 |
| Aube | 69% | 122 | 931 |
| Aucilla | 59% | 335 | 750 |
| Aude | 53% | 578 | 658 |
| Auglaize | 59% | 335 | 750 |
| Aurajoki | 64% | 213 | 830 |
| Authie | 69% | 122 | 931 |
| Ave | 62% | 244 | 806 |
| Aveyron | 67% | 152 | 890 |
| Avoca | 62% | 244 | 806 |
| Avon (Western Australia) | 57% | 396 | 722 |
| Axe | 60% | 304 | 767 |
| Ayr | 61% | 274 | 785 |
| Bacchiglione | 65% | 183 | 857 |
| Bad | 65% | 183 | 857 |
| Bafing | 69% | 122 | 931 |
| Bago | 69% | 122 | 931 |
| Bahr el Ghazal | 56% | 426 | 709 |
| Baker | 64% | 213 | 830 |
| Bakircay | 60% | 304 | 767 |
| Baliem | 69% | 122 | 931 |
| Balikh | 57% | 396 | 722 |
| Balonne | 62% | 244 | 806 |
| Bandama | 69% | 122 | 931 |
| Bandon | 65% | 183 | 857 |
| Bang Pakong | 67% | 152 | 890 |
| Bani | 64% | 213 | 830 |
| Banister | 69% | 122 | 931 |
| Baraboo | 64% | 213 | 830 |
| Baram | 65% | 183 | 857 |
| Barcoo | 65% | 183 | 857 |
| Barito | 53% | 548 | 667 |
| Barka | 64% | 213 | 830 |
| Baro | 64% | 213 | 830 |
| Barwon | 56% | 426 | 709 |
| Batang Hari | 65% | 183 | 857 |
| Batman | 55% | 487 | 687 |
| Batten Kill | 55% | 487 | 687 |
| Battle Creek | 67% | 152 | 890 |
| Bayou Macon | 69% | 122 | 931 |
| Beauly | 67% | 152 | 890 |
| Beaver | 62% | 244 | 806 |
| Beaverhead | 57% | 396 | 722 |
| Bega | 55% | 457 | 697 |
| Bei | 65% | 183 | 857 |
| Belaya | 62% | 244 | 806 |
| Belice | 64% | 213 | 830 |
| Belize River | 59% | 335 | 750 |
| Bella Coola | 65% | 183 | 857 |
| Belle Fourche | 53% | 578 | 658 |
| Belly | 67% | 152 | 890 |
| Bengawan Solo | 52% | 639 | 642 |
| Beni | 57% | 396 | 722 |
| Berbice | 61% | 274 | 785 |
| Berg | 61% | 274 | 785 |
| Bermejo | 60% | 304 | 767 |
| Berounka | 62% | 244 | 806 |
| Besos | 64% | 213 | 830 |
| Betsiboka | 65% | 183 | 857 |
| Betsie | 59% | 335 | 750 |
| Bic | 62% | 244 | 806 |
| Bicol | 64% | 213 | 830 |
| Bidasoa | 52% | 609 | 650 |
| Biebrza | 67% | 152 | 890 |
| Big | 56% | 426 | 709 |
| Big Black | 57% | 396 | 722 |
| Big Blue | 64% | 213 | 830 |
| Big Darby Creek | 64% | 213 | 830 |
| Big Hole | 51% | 670 | 634 |
| Big Lost | 54% | 517 | 677 |
| Big Muddy | 55% | 487 | 687 |
| Big Piney | 65% | 183 | 857 |
| Big Sandy | 69% | 122 | 931 |
| Big Sandy Creek | 67% | 152 | 890 |
| Big South Fork of the Cumberland | 67% | 152 | 890 |
| Big Walnut Creek | 65% | 183 | 857 |
| Big Wood | 60% | 304 | 767 |
| Bille | 67% | 152 | 890 |
| Biobio | 56% | 426 | 709 |
| Birs | 69% | 122 | 931 |
| Bistrita | 65% | 183 | 857 |
| Bitterroot | 53% | 548 | 667 |
| Biya | 67% | 152 | 890 |
| Black River | 64% | 213 | 830 |
| Black Volta | 55% | 487 | 687 |
| Blackwater | 56% | 426 | 709 |
| Blackwood | 62% | 244 | 806 |
| Blanchard | 69% | 122 | 931 |
| Blanco | 54% | 517 | 677 |
| Blavet | 69% | 122 | 931 |
| Blue | 53% | 578 | 658 |
| Blue Earth | 59% | 335 | 750 |
| Bluestone | 67% | 152 | 890 |
| Bodrog | 64% | 213 | 830 |
| Boeuf | 69% | 122 | 931 |
| Bogota | 64% | 213 | 830 |
| Bojana | 52% | 609 | 650 |
| Bosque | 61% | 274 | 785 |
| Botan | 61% | 274 | 785 |
| Boteti | 61% | 274 | 785 |
| Bou Regreg | 54% | 517 | 677 |
| Boulder | 67% | 152 | 890 |
| Bourbeuse | 65% | 183 | 857 |
| Branco | 61% | 274 | 785 |
| Brantas | 61% | 274 | 785 |
| Brda | 64% | 213 | 830 |
| Breede | 55% | 457 | 697 |
| Bregalnica | 64% | 213 | 830 |
| Brembo | 65% | 183 | 857 |
| Brenta | 54% | 517 | 677 |
| Brosna | 67% | 152 | 890 |
| Brue | 57% | 396 | 722 |
| Brule | 58% | 365 | 736 |
| Bruneau | 62% | 244 | 806 |
| Bukhan | 61% | 274 | 785 |
| Bulkley | 67% | 152 | 890 |
| Buller | 65% | 183 | 857 |
| Burdekin | 53% | 548 | 667 |
| Bure | 55% | 487 | 687 |
| Burnett | 61% | 274 | 785 |
| Burnt | 69% | 122 | 931 |
| Busento | 61% | 274 | 785 |
| Buttahatchee | 69% | 122 | 931 |
| Buzau | 69% | 122 | 931 |
| Buzi | 69% | 122 | 931 |
| Bzura | 69% | 122 | 931 |
| Bzyb | 69% | 122 | 931 |
| Cacapon | 58% | 365 | 736 |
| Cache | 53% | 548 | 667 |
| Cache Creek | 62% | 244 | 806 |
| Cahaba | 51% | 700 | 627 |
| Calapooia | 64% | 213 | 830 |
| Calaveras | 69% | 122 | 931 |
| Calcasieu | 55% | 487 | 687 |
| Caledon | 57% | 396 | 722 |
| Camel | 51% | 670 | 634 |
| Campaspe | 62% | 244 | 806 |
| Canche | 67% | 152 | 890 |
| Caney | 67% | 152 | 890 |
| Caney Creek | 69% | 122 | 931 |
| Caniapiscau | 65% | 183 | 857 |
| Canning | 65% | 183 | 857 |
| Cannon | 59% | 335 | 750 |
| Cannonball | 69% | 122 | 931 |
| Capibaribe | 65% | 183 | 857 |
| Capilano | 61% | 274 | 785 |
| Caroni | 58% | 365 | 736 |
| Carron | 65% | 183 | 857 |
| Carson | 52% | 639 | 642 |
| Casamance | 62% | 244 | 806 |
| Cass | 64% | 213 | 830 |
| Casselman | 67% | 152 | 890 |
| Castlereagh | 62% | 244 | 806 |
| Castor | 67% | 152 | 890 |
| Catatumbo | 53% | 578 | 658 |
| Cattaraugus Creek | 64% | 213 | 830 |
| Cauca | 52% | 609 | 650 |
| Caura | 69% | 122 | 931 |
| Cauto | 64% | 213 | 830 |
| Cavado | 64% | 213 | 830 |
| Cavally | 67% | 152 | 890 |
| Cedar | 52% | 609 | 650 |
| Cerna | 65% | 183 | 857 |
| Ceyhan | 58% | 365 | 736 |
| Ceze | 69% | 122 | 931 |
| Chambeshi | 51% | 670 | 634 |
| Chandalar | 69% | 122 | 931 |
| Charente | 54% | 517 | 677 |
| Chariton | 62% | 244 | 806 |
| Chateauguay | 67% | 152 | 890 |
| Chaudiere | 60% | 304 | 767 |
| Cheat | 50% | 731 | 620 |
| Chehalis | 55% | 457 | 697 |
| Chelif | 55% | 457 | 697 |
| Chelmer | 60% | 304 | 767 |
| Chena | 52% | 639 | 642 |
| Chenango | 57% | 396 | 722 |
| Cher | 56% | 426 | 709 |
| Cheremosh | 69% | 122 | 931 |
| Chetco | 56% | 426 | 709 |
| Chewaucan | 67% | 152 | 890 |
| Cheyenne | 51% | 700 | 627 |
| Chi | 62% | 244 | 806 |
| Chickahominy | 52% | 639 | 642 |
| Chickasawhay | 65% | 183 | 857 |
| Chikaskia | 67% | 152 | 890 |
| Chikugo | 67% | 152 | 890 |
| Chilcotin | 65% | 183 | 857 |
| Chilkat | 67% | 152 | 890 |
| Chindwin | 50% | 731 | 620 |
| Chipola | 60% | 304 | 767 |
| Chitina | 69% | 122 | 931 |
| Choapa | 65% | 183 | 857 |
| Choctawhatchee | 54% | 517 | 677 |
| Choluteca | 65% | 183 | 857 |
| Chongchon | 58% | 365 | 736 |
| Choptank | 52% | 639 | 642 |
| Chowan | 56% | 426 | 709 |
| Chowchilla | 69% | 122 | 931 |
| Chu | 53% | 548 | 667 |
| Chubut | 52% | 639 | 642 |
| Chucunaque | 67% | 152 | 890 |
| Chulym | 61% | 274 | 785 |
| Chusovaya | 65% | 183 | 857 |
| Cibolo Creek | 57% | 396 | 722 |
| Ciliwung | 59% | 335 | 750 |
| Cisadane | 69% | 122 | 931 |
| Cispus | 69% | 122 | 931 |
| Clackamas | 55% | 487 | 687 |
| Clain | 69% | 122 | 931 |
| Clam | 69% | 122 | 931 |
| Clare | 67% | 152 | 890 |
| Clarence | 52% | 639 | 642 |
| Clarion | 58% | 365 | 736 |
| Clarks Fork Yellowstone | 59% | 335 | 750 |
| Cleddau | 56% | 426 | 709 |
| Clinton | 59% | 335 | 750 |
| Clutha River | 51% | 670 | 634 |
| Clwyd | 60% | 304 | 767 |
| Coa | 67% | 152 | 890 |
| Coatzacoalcos | 57% | 396 | 722 |
| Coca | 64% | 213 | 830 |
| Coco | 59% | 335 | 750 |
| Cohocton | 67% | 152 | 890 |
| Coldwater | 69% | 122 | 931 |
| Coleen | 67% | 152 | 890 |
| Collins | 69% | 122 | 931 |
| Colville | 61% | 274 | 785 |
| Comoe | 69% | 122 | 931 |
| Conasauga | 60% | 304 | 767 |
| Concho | 57% | 396 | 722 |
| Conchos | 55% | 457 | 697 |
| Condamine | 54% | 517 | 677 |
| Conecuh | 60% | 304 | 767 |
| Conejos | 62% | 244 | 806 |
| Conemaugh | 56% | 426 | 709 |
| Conestoga | 52% | 609 | 650 |
| Conewago Creek | 69% | 122 | 931 |
| Conewango Creek | 67% | 152 | 890 |
| Connoquenessing Creek | 61% | 274 | 785 |
| Contentnea Creek | 69% | 122 | 931 |
| Contoocook | 58% | 365 | 736 |
| Conwy | 57% | 396 | 722 |
| Cooks | 55% | 487 | 687 |
| Copiapo | 69% | 122 | 931 |
| Coppename | 62% | 244 | 806 |
| Coppermine | 51% | 700 | 627 |
| Coquet | 53% | 548 | 667 |
| Coquihalla | 64% | 213 | 830 |
| Corrib | 51% | 700 | 627 |
| Coruh | 58% | 365 | 736 |
| Cosumnes | 55% | 457 | 697 |
| Cottonwood | 67% | 152 | 890 |
| Couesnon | 59% | 335 | 750 |
| Courantyne | 59% | 335 | 750 |
| Cowichan | 65% | 183 | 857 |
| Cowlitz | 51% | 670 | 634 |
| Cowpasture | 62% | 244 | 806 |
| Coyote Creek | 59% | 335 | 750 |
| Crab Creek | 60% | 304 | 767 |
| Crati | 69% | 122 | 931 |
| Creuse | 65% | 183 | 857 |
| Crna | 65% | 183 | 857 |
| Crocodile | 55% | 457 | 697 |
| Crooked | 59% | 335 | 750 |
| Cross | 52% | 639 | 642 |
| Crow Wing | 62% | 244 | 806 |
| Cuando | 53% | 548 | 667 |
| Cuckmere | 59% | 335 | 750 |
| Cunene | 53% | 578 | 658 |
| Curaray | 64% | 213 | 830 |
| Cuyama | 69% | 122 | 931 |
| Cuyuni | 67% | 152 | 890 |
| Czarna Hancza | 67% | 152 | 890 |
| Da | 61% | 274 | 785 |
| Dadu | 53% | 548 | 667 |
| Dahme | 69% | 122 | 931 |
| Dalalven | 56% | 426 | 709 |
| Dalaman | 69% | 122 | 931 |
| Daly | 60% | 304 | 767 |
| Dargle | 67% | 152 | 890 |
| Dasht | 62% | 244 | 806 |
| Davao River | 65% | 183 | 857 |
| Dawa | 62% | 244 | 806 |
| Deben | 54% | 517 | 677 |
| Deep | 55% | 457 | 697 |
| Deerfield | 57% | 396 | 722 |
| Delta | 61% | 274 | 785 |
| Demer | 67% | 152 | 890 |
| Demerara | 53% | 548 | 667 |
| Dender | 67% | 152 | 890 |
| Densu | 67% | 152 | 890 |
| Desaguadero | 65% | 183 | 857 |
| Deseado | 69% | 122 | 931 |
| Desna | 55% | 487 | 687 |
| Deule | 64% | 213 | 830 |
| Deveron | 62% | 244 | 806 |
| Devoll | 65% | 183 | 857 |
| Devon | 67% | 152 | 890 |
| Dez | 65% | 183 | 857 |
| Diamantina | 55% | 487 | 687 |
| Digul | 69% | 122 | 931 |
| Dim | 58% | 365 | 736 |
| Dinder | 67% | 152 | 890 |
| Dirty Devil | 59% | 335 | 750 |
| Dismal | 62% | 244 | 806 |
| Dives | 67% | 152 | 890 |
| Diyala | 52% | 609 | 650 |
| Dobra | 69% | 122 | 931 |
| Doce | 62% | 244 | 806 |
| Dodder | 53% | 578 | 658 |
| Dolores | 53% | 548 | 667 |
| Dommel | 61% | 274 | 785 |
| Dong | 64% | 213 | 830 |
| Dong Nai | 62% | 244 | 806 |
| Donner und Blitzen | 67% | 152 | 890 |
| Doon | 60% | 304 | 767 |
| Dora Baltea | 58% | 365 | 736 |
| Dora Riparia | 64% | 213 | 830 |
| Double Mountain Fork Brazos | 62% | 244 | 806 |
| Douglas | 58% | 365 | 736 |
| Douve | 62% | 244 | 806 |
| Dove | 57% | 396 | 722 |
| Drac | 65% | 183 | 857 |
| Dragonja | 64% | 213 | 830 |
| Drammenselva | 69% | 122 | 931 |
| Dreisam | 58% | 365 | 736 |
| Drino | 62% | 244 | 806 |
| Drome | 65% | 183 | 857 |
| Dronne | 69% | 122 | 931 |
| Drweca | 69% | 122 | 931 |
| Duchesne | 64% | 213 | 830 |
| Dulce | 59% | 335 | 750 |
| Dyfi | 53% | 548 | 667 |
| Dyje | 55% | 457 | 697 |
| Dyle | 56% | 426 | 709 |
| Eagle | 60% | 304 | 767 |
| Earn | 67% | 152 | 890 |
| East Branch Delaware | 60% | 304 | 767 |
| Eastmain | 67% | 152 | 890 |
| Eau Claire | 69% | 122 | 931 |
| Ebbw | 67% | 152 | 890 |
| Econlockhatchee | 51% | 700 | 627 |
| Eder | 59% | 335 | 750 |
| Edisto | 53% | 548 | 667 |
| Elbow | 55% | 487 | 687 |
| Elk | 54% | 517 | 677 |
| Elkhorn | 60% | 304 | 767 |
| Elqui | 69% | 122 | 931 |
| Elsa | 61% | 274 | 785 |
| Elwha | 53% | 578 | 658 |
| Elz | 64% | 213 | 830 |
| Emba | 62% | 244 | 806 |
| Embarras | 60% | 304 | 767 |
| Emme | 65% | 183 | 857 |
| Emscher | 64% | 213 | 830 |
| Ene | 64% | 213 | 830 |
| English | 59% | 335 | 750 |
| Enguri | 61% | 274 | 785 |
| Enns | 52% | 609 | 650 |
| Enz | 64% | 213 | 830 |
| Epte | 57% | 396 | 722 |
| Erdre | 69% | 122 | 931 |
| Erft | 69% | 122 | 931 |
| Ergene | 67% | 152 | 890 |
| Erne | 55% | 457 | 697 |
| Erzen | 67% | 152 | 890 |
| Escalante | 62% | 244 | 806 |
| Escanaba | 67% | 152 | 890 |
| Esk | 61% | 274 | 785 |
| Esla | 60% | 304 | 767 |
| Etowah | 51% | 700 | 627 |
| Eure | 62% | 244 | 806 |
| Evenlode | 62% | 244 | 806 |
| Evinos | 62% | 244 | 806 |
| Ewaso Ngiro | 54% | 517 | 677 |
| Exploits | 64% | 213 | 830 |
| Faleme | 69% | 122 | 931 |
| Fall Creek | 64% | 213 | 830 |
| Farmington | 54% | 517 | 677 |
| Feale | 69% | 122 | 931 |
| Fen | 60% | 304 | 767 |
| Fergus | 65% | 183 | 857 |
| Findhorn | 56% | 426 | 709 |
| Finn | 67% | 152 | 890 |
| Firth | 67% | 152 | 890 |
| Fish River (Namibia) | 64% | 213 | 830 |
| Fitzroy (Western Australia) | 53% | 548 | 667 |
| Flambeau | 58% | 365 | 736 |
| Flat | 67% | 152 | 890 |
| Flatrock | 67% | 152 | 890 |
| Flinders | 56% | 426 | 709 |
| Florida River | 69% | 122 | 931 |
| Floyd | 62% | 244 | 806 |
| Floyds Fork | 69% | 122 | 931 |
| Fontanka | 59% | 335 | 750 |
| Fortescue | 64% | 213 | 830 |
| Fortymile | 65% | 183 | 857 |
| Fountain Creek | 64% | 213 | 830 |
| Fourche La Fave | 69% | 122 | 931 |
| Fowey | 57% | 396 | 722 |
| Franklin | 57% | 396 | 722 |
| Fremont | 65% | 183 | 857 |
| French Creek | 60% | 304 | 767 |
| Frenchman | 65% | 183 | 857 |
| Fresno | 65% | 183 | 857 |
| Frome | 53% | 578 | 658 |
| Fuerte | 67% | 152 | 890 |
| Fuji | 61% | 274 | 785 |
| Fulda | 59% | 335 | 750 |
| Futaleufu | 61% | 274 | 785 |
| Fyrisan | 64% | 213 | 830 |
| Gacka | 61% | 274 | 785 |
| Gail | 65% | 183 | 857 |
| Galena | 61% | 274 | 785 |
| Gallego | 67% | 152 | 890 |
| Gamtoos | 59% | 335 | 750 |
| Gan | 62% | 244 | 806 |
| Ganale | 69% | 122 | 931 |
| Garavogue | 62% | 244 | 806 |
| Gardon | 58% | 365 | 736 |
| Garigliano | 54% | 517 | 677 |
| Gascoyne | 57% | 396 | 722 |
| Gatineau | 58% | 365 | 736 |
| Gauja | 55% | 487 | 687 |
| Gaula | 67% | 152 | 890 |
| Gave de Pau | 57% | 396 | 722 |
| Geba | 64% | 213 | 830 |
| Gediz | 55% | 457 | 697 |
| Genil | 62% | 244 | 806 |
| Georges | 53% | 548 | 667 |
| Georgina | 65% | 183 | 857 |
| Gera | 67% | 152 | 890 |
| Geul | 69% | 122 | 931 |
| Geum | 58% | 365 | 736 |
| Glaslyn | 65% | 183 | 857 |
| Glenelg | 64% | 213 | 830 |
| Goksu | 54% | 517 | 677 |
| Gomal | 58% | 365 | 736 |
| Gongola | 69% | 122 | 931 |
| Goose Creek | 65% | 183 | 857 |
| Gordon | 64% | 213 | 830 |
| Goulburn | 53% | 578 | 658 |
| Grande Ronde | 54% | 517 | 677 |
| Grasse | 67% | 152 | 890 |
| Great Kei | 58% | 365 | 736 |
| Great Ruaha | 67% | 152 | 890 |
| Great Whale | 59% | 335 | 750 |
| Greenbrier | 54% | 517 | 677 |
| Gregory | 64% | 213 | 830 |
| Greybull | 69% | 122 | 931 |
| Greys | 64% | 213 | 830 |
| Grijalva | 55% | 487 | 687 |
| Gros Ventre | 64% | 213 | 830 |
| Guadalete | 61% | 274 | 785 |
| Guadalhorce | 56% | 426 | 709 |
| Guadalmedina | 55% | 457 | 697 |
| Guapore | 61% | 274 | 785 |
| Guaviare | 62% | 244 | 806 |
| Gudbrandsdalslagen | 60% | 304 | 767 |
| Gudena | 56% | 426 | 709 |
| Guyandotte | 58% | 365 | 736 |
| Gwydir | 65% | 183 | 857 |
| Haine | 69% | 122 | 931 |
| Hallingdalselva | 69% | 122 | 931 |
| Harirud | 52% | 639 | 642 |
| Harricana | 64% | 213 | 830 |
| Harrison | 69% | 122 | 931 |
| Hase | 62% | 244 | 806 |
| Hastings | 67% | 152 | 890 |
| Hatchie | 64% | 213 | 830 |
| Hau | 56% | 426 | 709 |
| Haw | 52% | 609 | 650 |
| Hay | 64% | 213 | 830 |
| Hayes | 58% | 365 | 736 |
| Heart | 67% | 152 | 890 |
| Heihe | 67% | 152 | 890 |
| Helge a | 65% | 183 | 857 |
| Henrys Fork | 53% | 548 | 667 |
| Herault | 61% | 274 | 785 |
| Herbert | 56% | 426 | 709 |
| Hillsborough | 55% | 487 | 687 |
| Hingol | 58% | 365 | 736 |
| Hinterrhein | 57% | 396 | 722 |
| Hoback | 65% | 183 | 857 |
| Hocking | 53% | 578 | 658 |
| Hoh | 53% | 578 | 658 |
| Homochitto | 67% | 152 | 890 |
| Hondo | 65% | 183 | 857 |
| Hongshui | 69% | 122 | 931 |
| Hoosic | 56% | 426 | 709 |
| Hornad | 62% | 244 | 806 |
| Horyn | 69% | 122 | 931 |
| Hotan | 55% | 487 | 687 |
| Hron | 54% | 517 | 677 |
| Huallaga | 52% | 609 | 650 |
| Huangshui | 69% | 122 | 931 |
| Hub | 64% | 213 | 830 |
| Huisne | 65% | 183 | 857 |
| Hunte | 69% | 122 | 931 |
| Hunter | 55% | 487 | 687 |
| Huon | 67% | 152 | 890 |
| Hutt | 67% | 152 | 890 |
| Hvita | 65% | 183 | 857 |
| Ialomita | 61% | 274 | 785 |
| Iditarod | 69% | 122 | 931 |
| Ilisos | 53% | 578 | 658 |
| Iller | 59% | 335 | 750 |
| Ilm | 69% | 122 | 931 |
| Imnaha | 67% | 152 | 890 |
| Indalsalven | 65% | 183 | 857 |
| Indigirka | 58% | 365 | 736 |
| Indragiri | 67% | 152 | 890 |
| Indre | 65% | 183 | 857 |
| Inhul | 67% | 152 | 890 |
| Inhulets | 61% | 274 | 785 |
| Inirida | 69% | 122 | 931 |
| Innoko | 67% | 152 | 890 |
| Inny | 69% | 122 | 931 |
| Iori | 69% | 122 | 931 |
| Ipel | 65% | 183 | 857 |
| Irati | 69% | 122 | 931 |
| Iriri | 67% | 152 | 890 |
| Iroquois | 65% | 183 | 857 |
| Isarco | 59% | 335 | 750 |
| Ise | 62% | 244 | 806 |
| Isel | 65% | 183 | 857 |
| Ishikari | 55% | 487 | 687 |
| Ishim | 55% | 487 | 687 |
| Iskar | 51% | 700 | 627 |
| Isla | 67% | 152 | 890 |
| Itata | 64% | 213 | 830 |
| Itz | 69% | 122 | 931 |
| Jackson | 61% | 274 | 785 |
| Jacui | 69% | 122 | 931 |
| Jagst | 69% | 122 | 931 |
| Japura | 54% | 517 | 677 |
| Jarama | 55% | 457 | 697 |
| Jarbidge | 67% | 152 | 890 |
| Javari | 67% | 152 | 890 |
| Jemez | 69% | 122 | 931 |
| Jequitinhonha | 69% | 122 | 931 |
| Jialing | 55% | 487 | 687 |
| Jing | 69% | 122 | 931 |
| Jiu | 59% | 335 | 750 |
| Jiulong | 67% | 152 | 890 |
| Jizera | 61% | 274 | 785 |
| John Day | 52% | 609 | 650 |
| Johor | 64% | 213 | 830 |
| Jokulsa a Dal | 69% | 122 | 931 |
| Jokulsa a Fjollum | 60% | 304 | 767 |
| Jucar | 55% | 457 | 697 |
| Judith | 61% | 274 | 785 |
| Jurua | 56% | 426 | 709 |
| Kabompo | 69% | 122 | 931 |
| Kaduna | 62% | 244 | 806 |
| Kafue | 53% | 578 | 658 |
| Kaituna | 67% | 152 | 890 |
| Kaladan | 56% | 426 | 709 |
| Kalamas | 62% | 244 | 806 |
| Kalamazoo | 51% | 670 | 634 |
| Kalixalven | 65% | 183 | 857 |
| Kalmius | 61% | 274 | 785 |
| Kalu | 61% | 274 | 785 |
| Kamchatka River | 67% | 152 | 890 |
| Kamchiya | 61% | 274 | 785 |
| Kaministiquia | 56% | 426 | 709 |
| Kamniska Bistrica | 67% | 152 | 890 |
| Kampar | 69% | 122 | 931 |
| Kanab Creek | 67% | 152 | 890 |
| Kander | 67% | 152 | 890 |
| Karasjohka | 69% | 122 | 931 |
| Karasu | 55% | 487 | 687 |
| Karkheh | 59% | 335 | 750 |
| Karnaphuli | 59% | 335 | 750 |
| Kasai | 51% | 670 | 634 |
| Kaskaskia | 52% | 609 | 650 |
| Katherine | 64% | 213 | 830 |
| Katun | 58% | 365 | 736 |
| Kavik | 56% | 426 | 709 |
| Kawarau | 59% | 335 | 750 |
| Kazan | 61% | 274 | 785 |
| Kelani | 54% | 517 | 677 |
| Kelantan | 69% | 122 | 931 |
| Kelkit | 64% | 213 | 830 |
| Kemijoki | 55% | 457 | 697 |
| Kerio | 67% | 152 | 890 |
| Kettle | 64% | 213 | 830 |
| Khatanga | 69% | 122 | 931 |
| Kherlen | 53% | 578 | 658 |
| Khopyor | 69% | 122 | 931 |
| Kiamichi | 65% | 183 | 857 |
| Kiewa | 61% | 274 | 785 |
| Kikori | 69% | 122 | 931 |
| Kilombero | 62% | 244 | 806 |
| Kinu | 69% | 122 | 931 |
| Kinzig | 69% | 122 | 931 |
| Kishon | 50% | 731 | 620 |
| Kishwaukee | 58% | 365 | 736 |
| Kiso | 59% | 335 | 750 |
| Kitakami | 61% | 274 | 785 |
| Klang | 52% | 609 | 650 |
| Klaralven | 53% | 578 | 658 |
| Klickitat | 67% | 152 | 890 |
| Klyazma | 69% | 122 | 931 |
| Knife | 64% | 213 | 830 |
| Kobuk | 59% | 335 | 750 |
| Kocher | 65% | 183 | 857 |
| Kodori | 69% | 122 | 931 |
| Kokemaenjoki | 67% | 152 | 890 |
| Kokosing | 59% | 335 | 750 |
| Koksoak | 64% | 213 | 830 |
| Kolubara | 61% | 274 | 785 |
| Kolyma | 52% | 639 | 642 |
| Komati | 59% | 335 | 750 |
| Kongea | 67% | 152 | 890 |
| Koprucay | 64% | 213 | 830 |
| Korana | 60% | 304 | 767 |
| Koros | 59% | 335 | 750 |
| Koyukuk | 57% | 396 | 722 |
| Krka (Croatia) | 56% | 426 | 709 |
| Kucuk Menderes | 60% | 304 | 767 |
| Kuiseb | 64% | 213 | 830 |
| Kuma | 65% | 183 | 857 |
| Kunar | 58% | 365 | 736 |
| Kurram | 61% | 274 | 785 |
| Kushiyara | 62% | 244 | 806 |
| Kvichak | 61% | 274 | 785 |
| Kwango | 59% | 335 | 750 |
| Kwanza | 52% | 609 | 650 |
| Kwilu | 62% | 244 | 806 |
| Kwisa | 67% | 152 | 890 |
| Kyll | 69% | 122 | 931 |
| Kymijoki | 60% | 304 | 767 |
| La Crosse | 67% | 152 | 890 |
| La Grande | 54% | 517 | 677 |
| Lachlan | 52% | 639 | 642 |
| Ladon | 57% | 396 | 722 |
| Lagarfljot | 58% | 365 | 736 |
| Lahn | 52% | 639 | 642 |
| Lambro | 65% | 183 | 857 |
| Lamoille | 64% | 213 | 830 |
| Lampasas | 67% | 152 | 890 |
| Lamprey | 69% | 122 | 931 |
| Laramie | 55% | 487 | 687 |
| Lark | 61% | 274 | 785 |
| Latah Creek | 62% | 244 | 806 |
| Latorica | 69% | 122 | 931 |
| Latrobe | 69% | 122 | 931 |
| Lauca | 69% | 122 | 931 |
| Lavaca | 67% | 152 | 890 |
| Leadon | 69% | 122 | 931 |
| Leaf | 62% | 244 | 806 |
| Leichhardt | 67% | 152 | 890 |
| Leine | 55% | 487 | 687 |
| Lek | 59% | 335 | 750 |
| Lemhi | 69% | 122 | 931 |
| Lempa | 60% | 304 | 767 |
| Lenne | 69% | 122 | 931 |
| Leon | 60% | 304 | 767 |
| Lerma | 55% | 457 | 697 |
| Lesse | 64% | 213 | 830 |
| Levisa Fork | 62% | 244 | 806 |
| Lewis | 54% | 517 | 677 |
| Lhasa River | 59% | 335 | 750 |
| Lielupe | 65% | 183 | 857 |
| Lika | 69% | 122 | 931 |
| Lillooet | 64% | 213 | 830 |
| Lim | 54% | 517 | 677 |
| Lima | 61% | 274 | 785 |
| Limay | 62% | 244 | 806 |
| Linge | 65% | 183 | 857 |
| Linth | 61% | 274 | 785 |
| Lippe | 56% | 426 | 709 |
| Liri | 59% | 335 | 750 |
| Little | 57% | 396 | 722 |
| Little Arkansas | 65% | 183 | 857 |
| Little Blue | 67% | 152 | 890 |
| Little Kanawha | 60% | 304 | 767 |
| Little Minnesota | 67% | 152 | 890 |
| Little Missouri | 51% | 700 | 627 |
| Little Ouse | 60% | 304 | 767 |
| Little Salmon | 69% | 122 | 931 |
| Little Sandy | 69% | 122 | 931 |
| Little Sioux | 67% | 152 | 890 |
| Little Snake | 69% | 122 | 931 |
| Little Susitna | 69% | 122 | 931 |
| Little Wabash | 65% | 183 | 857 |
| Little Zab | 55% | 457 | 697 |
| Ljusnan | 69% | 122 | 931 |
| Llano | 52% | 609 | 650 |
| Loa | 59% | 335 | 750 |
| Loboc | 62% | 244 | 806 |
| Lochsa | 58% | 365 | 736 |
| Lochy | 69% | 122 | 931 |
| Locust Fork of the Black Warrior | 67% | 152 | 890 |
| Loddon | 61% | 274 | 785 |
| Logan | 61% | 274 | 785 |
| Logone | 61% | 274 | 785 |
| Loing | 64% | 213 | 830 |
| Loir | 59% | 335 | 750 |
| Loisach | 55% | 457 | 697 |
| Lomami | 65% | 183 | 857 |
| Long Tom | 65% | 183 | 857 |
| Looking Glass | 67% | 152 | 890 |
| Loosahatchie | 69% | 122 | 931 |
| Lossie | 69% | 122 | 931 |
| Lost | 60% | 304 | 767 |
| Lot | 51% | 700 | 627 |
| Loue | 64% | 213 | 830 |
| Loup | 59% | 335 | 750 |
| Lovat | 67% | 152 | 890 |
| Loyalhanna Creek | 67% | 152 | 890 |
| Loyalsock Creek | 64% | 213 | 830 |
| Luan | 69% | 122 | 931 |
| Luangwa | 53% | 548 | 667 |
| Luapula | 58% | 365 | 736 |
| Luga | 69% | 122 | 931 |
| Lugg | 58% | 365 | 736 |
| Lujan | 69% | 122 | 931 |
| Lulealven | 57% | 396 | 722 |
| Lumber | 51% | 670 | 634 |
| Luo | 58% | 365 | 736 |
| Lutschine | 62% | 244 | 806 |
| Luvua | 69% | 122 | 931 |
| Luvuvhu | 67% | 152 | 890 |
| Luznice | 69% | 122 | 931 |
| Lyari | 60% | 304 | 767 |
| Lyna | 64% | 213 | 830 |
| Lynches | 61% | 274 | 785 |
| Lys | 53% | 578 | 658 |
| Ma | 69% | 122 | 931 |
| Mackinaw | 65% | 183 | 857 |
| Macleay | 62% | 244 | 806 |
| Macquarie | 55% | 487 | 687 |
| Mad | 50% | 731 | 620 |
| Madawaska | 53% | 548 | 667 |
| Madre de Dios | 51% | 700 | 627 |
| Mae Klong | 55% | 487 | 687 |
| Magat | 67% | 152 | 890 |
| Maggia | 69% | 122 | 931 |
| Magra | 64% | 213 | 830 |
| Mahakam | 52% | 609 | 650 |
| Mahoning | 51% | 700 | 627 |
| Maipo | 65% | 183 | 857 |
| Maira | 69% | 122 | 931 |
| Malagarasi | 60% | 304 | 767 |
| Malheur | 59% | 335 | 750 |
| Maly Dunaj | 69% | 122 | 931 |
| Mamberamo | 56% | 426 | 709 |
| Mamore | 60% | 304 | 767 |
| Manas (India) | 53% | 548 | 667 |
| Manavgat | 61% | 274 | 785 |
| Manawatu | 62% | 244 | 806 |
| Mangfall | 67% | 152 | 890 |
| Mangoky | 65% | 183 | 857 |
| Manistee | 52% | 639 | 642 |
| Manistique | 65% | 183 | 857 |
| Manning | 58% | 365 | 736 |
| Mano | 69% | 122 | 931 |
| Manych | 61% | 274 | 785 |
| Mapocho | 54% | 517 | 677 |
| Maquoketa | 62% | 244 | 806 |
| Marais des Cygnes | 53% | 548 | 667 |
| Mareb | 61% | 274 | 785 |
| Marecchia | 69% | 122 | 931 |
| Margaree | 62% | 244 | 806 |
| Marias | 53% | 578 | 658 |
| Maribyrnong | 53% | 548 | 667 |
| Maroni | 60% | 304 | 767 |
| Martha Brae | 67% | 152 | 890 |
| Mary | 52% | 639 | 642 |
| Mat | 61% | 274 | 785 |
| Matanuska | 60% | 304 | 767 |
| Matanza-Riachuelo | 61% | 274 | 785 |
| Mataura | 69% | 122 | 931 |
| Mattagami | 62% | 244 | 806 |
| Mattaponi | 61% | 274 | 785 |
| Mattole | 54% | 517 | 677 |
| Maule | 64% | 213 | 830 |
| Maurice | 64% | 213 | 830 |
| Mawddach | 60% | 304 | 767 |
| Mayenne | 65% | 183 | 857 |
| Mayo | 69% | 122 | 931 |
| Mazaruni | 69% | 122 | 931 |
| Mbomou | 69% | 122 | 931 |
| McArthur | 67% | 152 | 890 |
| McCloud | 55% | 487 | 687 |
| Mearim | 69% | 122 | 931 |
| Medellin | 67% | 152 | 890 |
| Medicine Bow | 69% | 122 | 931 |
| Medina | 55% | 487 | 687 |
| Medjerda | 51% | 700 | 627 |
| Meherrin | 64% | 213 | 830 |
| Menominee | 50% | 731 | 620 |
| Mermentau | 67% | 152 | 890 |
| Mesta | 53% | 548 | 667 |
| Meta | 64% | 213 | 830 |
| Metauro | 69% | 122 | 931 |
| Methow | 57% | 396 | 722 |
| Meurthe | 62% | 244 | 806 |
| Mezen | 69% | 122 | 931 |
| Michigamme | 69% | 122 | 931 |
| Michigan River | 65% | 183 | 857 |
| Middle Fork American | 65% | 183 | 857 |
| Middle Fork Flathead | 69% | 122 | 931 |
| Middle Fork Willamette | 65% | 183 | 857 |
| Miljacka | 50% | 731 | 620 |
| Millers | 65% | 183 | 857 |
| Mimbres | 58% | 365 | 736 |
| Min (Sichuan) | 53% | 548 | 667 |
| Mincio | 52% | 639 | 642 |
| Mira | 69% | 122 | 931 |
| Miramichi | 55% | 487 | 687 |
| Mirna | 67% | 152 | 890 |
| Missinaibi | 57% | 396 | 722 |
| Missisquoi | 61% | 274 | 785 |
| Mississinewa | 57% | 396 | 722 |
| Mitchell | 62% | 244 | 806 |
| Mitta Mitta | 69% | 122 | 931 |
| Mlava | 67% | 152 | 890 |
| Moa | 69% | 122 | 931 |
| Mogami | 58% | 365 | 736 |
| Mohne | 69% | 122 | 931 |
| Moksha | 69% | 122 | 931 |
| Molalla | 67% | 152 | 890 |
| Molochna | 69% | 122 | 931 |
| Molopo | 62% | 244 | 806 |
| Mondego | 53% | 548 | 667 |
| Monnow | 62% | 244 | 806 |
| Mono | 67% | 152 | 890 |
| Monocacy | 57% | 396 | 722 |
| Moore | 58% | 365 | 736 |
| Moose | 58% | 365 | 736 |
| Moraca | 56% | 426 | 709 |
| Moreau | 69% | 122 | 931 |
| Mornos | 67% | 152 | 890 |
| Motagua | 56% | 426 | 709 |
| Motala strom | 67% | 152 | 890 |
| Moulouya | 51% | 670 | 634 |
| Mountain Fork | 62% | 244 | 806 |
| Moy | 58% | 365 | 736 |
| Moyie | 50% | 731 | 620 |
| Moyka | 60% | 304 | 767 |
| Mreznica | 62% | 244 | 806 |
| Msta | 69% | 122 | 931 |
| Muar | 64% | 213 | 830 |
| Mudan | 67% | 152 | 890 |
| Muddy Boggy Creek | 69% | 122 | 931 |
| Mulberry | 67% | 152 | 890 |
| Mulberry Fork of the Black Warrior | 69% | 122 | 931 |
| Mulde | 62% | 244 | 806 |
| Mullica | 55% | 457 | 697 |
| Mun | 64% | 213 | 830 |
| Murchison | 59% | 335 | 750 |
| Murg | 65% | 183 | 857 |
| Murghab | 59% | 335 | 750 |
| Muscatatuck | 67% | 152 | 890 |
| Musi | 55% | 487 | 687 |
| Muskegon | 51% | 700 | 627 |
| Musselshell | 55% | 457 | 697 |
| Myakka | 64% | 213 | 830 |
| Mze | 65% | 183 | 857 |
| Mzimvubu | 65% | 183 | 857 |
| Naab | 65% | 183 | 857 |
| Nacimiento | 69% | 122 | 931 |
| Nagara | 60% | 304 | 767 |
| Nahe | 59% | 335 | 750 |
| Naka | 67% | 152 | 890 |
| Naknek | 67% | 152 | 890 |
| Nam Khan | 67% | 152 | 890 |
| Nam Ou | 65% | 183 | 857 |
| Namekagon | 57% | 396 | 722 |
| Namhan | 69% | 122 | 931 |
| Namoi | 61% | 274 | 785 |
| Namsen | 67% | 152 | 890 |
| Nan | 61% | 274 | 785 |
| Nanay | 65% | 183 | 857 |
| Nanticoke | 61% | 274 | 785 |
| Napa | 54% | 517 | 677 |
| Napo | 51% | 700 | 627 |
| Narva | 53% | 548 | 667 |
| Naryn | 62% | 244 | 806 |
| Nass | 54% | 517 | 677 |
| Natisone | 61% | 274 | 785 |
| Navasota | 62% | 244 | 806 |
| Navidad | 69% | 122 | 931 |
| Nazas | 64% | 213 | 830 |
| Nechako | 60% | 304 | 767 |
| Neda | 64% | 213 | 830 |
| Neglinnaya | 69% | 122 | 931 |
| Nehalem | 57% | 396 | 722 |
| Nemadji | 69% | 122 | 931 |
| Nen | 64% | 213 | 830 |
| Nenana | 58% | 365 | 736 |
| Neosho | 51% | 670 | 634 |
| Nera | 64% | 213 | 830 |
| Nerang | 64% | 213 | 830 |
| Nervion | 53% | 548 | 667 |
| Nestucca | 67% | 152 | 890 |
| Neuquen | 69% | 122 | 931 |
| Neversink | 53% | 548 | 667 |
| Nevezis | 69% | 122 | 931 |
| Nevis | 65% | 183 | 857 |
| New River (Belize) | 69% | 122 | 931 |
| Niangua | 51% | 700 | 627 |
| Nida | 69% | 122 | 931 |
| Nidd | 52% | 609 | 650 |
| Nidda | 69% | 122 | 931 |
| Nidelva | 59% | 335 | 750 |
| Nilufer | 65% | 183 | 857 |
| Ninnescah | 67% | 152 | 890 |
| Nipigon | 55% | 487 | 687 |
| Nisava | 59% | 335 | 750 |
| Nisqually | 53% | 578 | 658 |
| Nissan | 65% | 183 | 857 |
| Nith | 56% | 426 | 709 |
| Nitra | 69% | 122 | 931 |
| Nive | 65% | 183 | 857 |
| Nizhnyaya Tunguska | 60% | 304 | 767 |
| Noatak | 65% | 183 | 857 |
| Nodaway | 65% | 183 | 857 |
| Noguera Pallaresa | 69% | 122 | 931 |
| Nooksack | 57% | 396 | 722 |
| Noosa | 65% | 183 | 857 |
| Nordura | 62% | 244 | 806 |
| Nore | 53% | 548 | 667 |
| Norrstrom | 59% | 335 | 750 |
| North Anna | 65% | 183 | 857 |
| North Branch Potomac | 57% | 396 | 722 |
| North Fork | 64% | 213 | 830 |
| North Fork American | 62% | 244 | 806 |
| North Fork Clearwater | 69% | 122 | 931 |
| North Fork Double Mountain Fork Brazos | 65% | 183 | 857 |
| North Fork Feather | 62% | 244 | 806 |
| North Fork Flathead | 69% | 122 | 931 |
| North Fork Payette | 69% | 122 | 931 |
| North Fork Red | 67% | 152 | 890 |
| North Fork South Platte | 64% | 213 | 830 |
| North Santiam | 69% | 122 | 931 |
| North Toe | 62% | 244 | 806 |
| North Umpqua | 69% | 122 | 931 |
| North Yuba | 69% | 122 | 931 |
| Northeast Cape Fear | 67% | 152 | 890 |
| Notec | 60% | 304 | 767 |
| Nottoway | 65% | 183 | 857 |
| Nowitna | 65% | 183 | 857 |
| Numedalslagen | 67% | 152 | 890 |
| Nura | 69% | 122 | 931 |
| Nushagak | 64% | 213 | 830 |
| Nyabarongo | 51% | 700 | 627 |
| Nyong | 69% | 122 | 931 |
| Nysa Klodzka | 59% | 335 | 750 |
| Nzoia | 67% | 152 | 890 |
| Oatka Creek | 65% | 183 | 857 |
| Obion | 65% | 183 | 857 |
| Ochlockonee | 59% | 335 | 750 |
| Ocklawaha | 55% | 487 | 687 |
| Odet | 62% | 244 | 806 |
| Ofanto | 62% | 244 | 806 |
| Ogeechee | 51% | 670 | 634 |
| Oglio | 62% | 244 | 806 |
| Ogooue | 51% | 670 | 634 |
| Ogun | 58% | 365 | 736 |
| Ohoopee | 62% | 244 | 806 |
| Ohre | 55% | 487 | 687 |
| Oi | 64% | 213 | 830 |
| Oja | 67% | 152 | 890 |
| Okanagan | 52% | 639 | 642 |
| Oker | 64% | 213 | 830 |
| Okhota | 69% | 122 | 931 |
| Olenyok | 62% | 244 | 806 |
| Olfusa | 65% | 183 | 857 |
| Olifants | 53% | 578 | 658 |
| Olona | 67% | 152 | 890 |
| Olza | 65% | 183 | 857 |
| Ombla | 53% | 548 | 667 |
| Ombrone | 69% | 122 | 931 |
| One Hundred and Two | 69% | 122 | 931 |
| Onega River | 67% | 152 | 890 |
| Onion Creek | 64% | 213 | 830 |
| Onkaparinga | 64% | 213 | 830 |
| Onon | 51% | 700 | 627 |
| Opava | 69% | 122 | 931 |
| Orava | 67% | 152 | 890 |
| Orb | 62% | 244 | 806 |
| Oreti | 69% | 122 | 931 |
| Orne | 62% | 244 | 806 |
| Osam | 65% | 183 | 857 |
| Oskol | 61% | 274 | 785 |
| Osum | 64% | 213 | 830 |
| Osun | 50% | 731 | 620 |
| Oswegatchie | 60% | 304 | 767 |
| Otava | 67% | 152 | 890 |
| Oti | 69% | 122 | 931 |
| Otra | 67% | 152 | 890 |
| Otta | 67% | 152 | 890 |
| Otter | 52% | 609 | 650 |
| Otter Creek | 59% | 335 | 750 |
| Otter Tail | 57% | 396 | 722 |
| Otztaler Ache | 69% | 122 | 931 |
| Ou | 67% | 152 | 890 |
| Ouche | 69% | 122 | 931 |
| Oude IJssel | 69% | 122 | 931 |
| Oueme | 65% | 183 | 857 |
| Oulujoki | 67% | 152 | 890 |
| Oum Er-Rbia | 56% | 426 | 709 |
| Our | 57% | 396 | 722 |
| Ourcq | 65% | 183 | 857 |
| Ourthe | 58% | 365 | 736 |
| Ovens | 64% | 213 | 830 |
| Oyapock | 59% | 335 | 750 |
| Oykel | 60% | 304 | 767 |
| Oyster Creek | 69% | 122 | 931 |
| Ozama | 62% | 244 | 806 |
| Pa Sak | 65% | 183 | 857 |
| Pachitea | 67% | 152 | 890 |
| Pacuare | 64% | 213 | 830 |
| Pahang | 60% | 304 | 767 |
| Paint Creek | 69% | 122 | 931 |
| Paiva | 65% | 183 | 857 |
| Palouse | 56% | 426 | 709 |
| Pamlico | 58% | 365 | 736 |
| Pamunkey | 57% | 396 | 722 |
| Pangani | 64% | 213 | 830 |
| Panjshir | 67% | 152 | 890 |
| Panke | 65% | 183 | 857 |
| Panuco | 57% | 396 | 722 |
| Papaloapan | 62% | 244 | 806 |
| Paraiba do Sul | 62% | 244 | 806 |
| Paranaiba | 59% | 335 | 750 |
| Paria | 60% | 304 | 767 |
| Parma | 67% | 152 | 890 |
| Parnaiba | 65% | 183 | 857 |
| Paroo | 62% | 244 | 806 |
| Pastaza | 65% | 183 | 857 |
| Pasvik | 67% | 152 | 890 |
| Patoka | 65% | 183 | 857 |
| Patuca | 69% | 122 | 931 |
| Paw Paw | 65% | 183 | 857 |
| Payette | 55% | 487 | 687 |
| Pea | 65% | 183 | 857 |
| Pease | 67% | 152 | 890 |
| Pecatonica | 61% | 274 | 785 |
| Pechora | 51% | 670 | 634 |
| Peel | 59% | 335 | 750 |
| Peene | 60% | 304 | 767 |
| Pegnitz | 54% | 517 | 677 |
| Pelly | 67% | 152 | 890 |
| Pembina | 67% | 152 | 890 |
| Perak | 65% | 183 | 857 |
| Perdido | 56% | 426 | 709 |
| Pere Marquette | 58% | 365 | 736 |
| Pescara | 67% | 152 | 890 |
| Peshtigo | 67% | 152 | 890 |
| Petawawa | 65% | 183 | 857 |
| Piddle | 60% | 304 | 767 |
| Pieman | 65% | 183 | 857 |
| Pilcomayo | 53% | 578 | 658 |
| Pilica | 64% | 213 | 830 |
| Pine | 62% | 244 | 806 |
| Pine Creek | 55% | 457 | 697 |
| Pine Island Bayou | 69% | 122 | 931 |
| Pineios | 69% | 122 | 931 |
| Ping | 52% | 639 | 642 |
| Piru Creek | 64% | 213 | 830 |
| Pisa | 69% | 122 | 931 |
| Piscataquis | 67% | 152 | 890 |
| Pisuerga | 67% | 152 | 890 |
| Pit | 50% | 731 | 620 |
| Pitealven | 67% | 152 | 890 |
| Piva | 62% | 244 | 806 |
| Pivka | 64% | 213 | 830 |
| Platani | 67% | 152 | 890 |
| Pleisse | 69% | 122 | 931 |
| Pliva | 62% | 244 | 806 |
| Plym | 56% | 426 | 709 |
| Pocomoke | 60% | 304 | 767 |
| Podkamennaya Tunguska | 61% | 274 | 785 |
| Pomme de Terre | 69% | 122 | 931 |
| Pongola | 62% | 244 | 806 |
| Poprad | 67% | 152 | 890 |
| Porcupine | 58% | 365 | 736 |
| Porsuk | 65% | 183 | 857 |
| Portage | 65% | 183 | 857 |
| Portneuf | 59% | 335 | 750 |
| Porvoonjoki | 69% | 122 | 931 |
| Poteau | 65% | 183 | 857 |
| Potengi | 69% | 122 | 931 |
| Powell | 65% | 183 | 857 |
| Pra | 59% | 335 | 750 |
| Prairie Dog Town Fork Red | 57% | 396 | 722 |
| Pregolya | 55% | 487 | 687 |
| Price | 65% | 183 | 857 |
| Priest | 64% | 213 | 830 |
| Provo | 55% | 487 | 687 |
| Psel | 65% | 183 | 857 |
| Pudding | 67% | 152 | 890 |
| Puerco | 60% | 304 | 767 |
| Pulangi | 60% | 304 | 767 |
| Pungwe | 67% | 152 | 890 |
| Purari | 69% | 122 | 931 |
| Purna | 57% | 396 | 722 |
| Purus | 53% | 578 | 658 |
| Putumayo | 53% | 578 | 658 |
| Queets | 65% | 183 | 857 |
| Quinault | 65% | 183 | 857 |
| Quinn | 67% | 152 | 890 |
| Raab | 56% | 426 | 709 |
| Raccoon | 58% | 365 | 736 |
| Radika | 59% | 335 | 750 |
| Raft | 65% | 183 | 857 |
| Raisin | 52% | 639 | 642 |
| Rakaia | 59% | 335 | 750 |
| Rama | 69% | 122 | 931 |
| Ramu | 65% | 183 | 857 |
| Rance | 60% | 304 | 767 |
| Rangitaiki | 65% | 183 | 857 |
| Rangitata | 58% | 365 | 736 |
| Rangitikei | 65% | 183 | 857 |
| Rapid Creek | 51% | 700 | 627 |
| Rapidan | 52% | 639 | 642 |
| Raquette | 54% | 517 | 677 |
| Rasa | 65% | 183 | 857 |
| Rauma | 62% | 244 | 806 |
| Raystown Branch Juniata | 67% | 152 | 890 |
| Red Cedar | 61% | 274 | 785 |
| Red Creek | 69% | 122 | 931 |
| Red Main | 67% | 152 | 890 |
| Red Rock | 57% | 396 | 722 |
| Redwood | 69% | 122 | 931 |
| Redwood Creek | 67% | 152 | 890 |
| Reedy | 60% | 304 | 767 |
| Regen | 62% | 244 | 806 |
| Regnitz | 59% | 335 | 750 |
| Reka | 61% | 274 | 785 |
| Reno | 54% | 517 | 677 |
| Restigouche | 55% | 457 | 697 |
| Rewa (Fiji) | 64% | 213 | 830 |
| Rheidol | 65% | 183 | 857 |
| Richmond | 60% | 304 | 767 |
| Rienza | 69% | 122 | 931 |
| Rifle | 59% | 335 | 750 |
| Rio Camuy | 69% | 122 | 931 |
| Rio Chama | 55% | 457 | 697 |
| Rio Cobre | 65% | 183 | 857 |
| Rio Grande de Loiza | 64% | 213 | 830 |
| Rio Grande de Mindanao | 55% | 487 | 687 |
| Rio Grande de Santiago | 57% | 396 | 722 |
| Risle | 69% | 122 | 931 |
| Rjecina | 65% | 183 | 857 |
| Roaring Fork | 53% | 548 | 667 |
| Rock Creek | 62% | 244 | 806 |
| Rockcastle | 69% | 122 | 931 |
| Rocky | 59% | 335 | 750 |
| Roding | 52% | 639 | 642 |
| Roeliff Jansen Kill | 62% | 244 | 806 |
| Rokel | 64% | 213 | 830 |
| Rondout Creek | 58% | 365 | 736 |
| Root | 58% | 365 | 736 |
| Roper | 61% | 274 | 785 |
| Ros | 67% | 152 | 890 |
| Roseau | 67% | 152 | 890 |
| Rospuda | 69% | 122 | 931 |
| Rother | 52% | 609 | 650 |
| Rotte | 52% | 639 | 642 |
| Roya | 65% | 183 | 857 |
| Ruby | 65% | 183 | 857 |
| Rum | 55% | 457 | 697 |
| Rupel | 67% | 152 | 890 |
| Rupert | 61% | 274 | 785 |
| Rur | 53% | 578 | 658 |
| Ruvuma | 56% | 426 | 709 |
| Saalach | 69% | 122 | 931 |
| Saane | 58% | 365 | 736 |
| Sabie | 55% | 487 | 687 |
| Sabinal | 69% | 122 | 931 |
| Sac | 65% | 183 | 857 |
| Sado | 62% | 244 | 806 |
| Sagami | 64% | 213 | 830 |
| Sagavanirktok | 65% | 183 | 857 |
| Saginaw | 55% | 487 | 687 |
| Saint Joe | 56% | 426 | 709 |
| Saint Paul River (Liberia) | 67% | 152 | 890 |
| Saint-Francois | 62% | 244 | 806 |
| Saint-Maurice | 58% | 365 | 736 |
| Sajo | 60% | 304 | 767 |
| Salado | 61% | 274 | 785 |
| Salamonie | 69% | 122 | 931 |
| Saline | 62% | 244 | 806 |
| Salmon Falls Creek | 65% | 183 | 857 |
| Saloum | 69% | 122 | 931 |
| Salso | 62% | 244 | 806 |
| Salt Fork Arkansas | 67% | 152 | 890 |
| Salt Fork Brazos | 64% | 213 | 830 |
| Saluda | 52% | 639 | 642 |
| Salza | 67% | 152 | 890 |
| Samara | 62% | 244 | 806 |
| Sambre | 53% | 578 | 658 |
| Samur | 69% | 122 | 931 |
| San Benito | 67% | 152 | 890 |
| San Diego | 51% | 700 | 627 |
| San Jacinto | 59% | 335 | 750 |
| San Luis Rey | 59% | 335 | 750 |
| San Saba | 58% | 365 | 736 |
| Sana | 60% | 304 | 767 |
| Sanaga | 56% | 426 | 709 |
| Sandusky | 55% | 487 | 687 |
| Sandy | 57% | 396 | 722 |
| Sangha | 62% | 244 | 806 |
| Sangro | 64% | 213 | 830 |
| Sankarani | 69% | 122 | 931 |
| Sankuru | 67% | 152 | 890 |
| Sanpoil | 69% | 122 | 931 |
| Santa Cruz | 59% | 335 | 750 |
| Santa Fe | 52% | 609 | 650 |
| Santa Ynez | 59% | 335 | 750 |
| Saranac | 60% | 304 | 767 |
| Sarawak River | 61% | 274 | 785 |
| Sarca | 56% | 426 | 709 |
| Sarstoon | 69% | 122 | 931 |
| Sarthe | 60% | 304 | 767 |
| Sarysu | 69% | 122 | 931 |
| Satilla | 58% | 365 | 736 |
| Sauk | 64% | 213 | 830 |
| Save | 52% | 609 | 650 |
| Savinja | 61% | 274 | 785 |
| Savio | 69% | 122 | 931 |
| Sazava | 57% | 396 | 722 |
| Scarpe | 67% | 152 | 890 |
| Schie | 67% | 152 | 890 |
| Schoharie Creek | 56% | 426 | 709 |
| Schroon | 67% | 152 | 890 |
| Schwarze Elster | 69% | 122 | 931 |
| Schwentine | 69% | 122 | 931 |
| Scott | 69% | 122 | 931 |
| Seal | 67% | 152 | 890 |
| Sebou | 55% | 457 | 697 |
| Sefidrud | 61% | 274 | 785 |
| Segre | 60% | 304 | 767 |
| Segura | 59% | 335 | 750 |
| Seille | 69% | 122 | 931 |
| Sele | 53% | 548 | 667 |
| Selway | 61% | 274 | 785 |
| Seman | 67% | 152 | 890 |
| Semliki | 59% | 335 | 750 |
| Semois | 56% | 426 | 709 |
| Seneca | 54% | 517 | 677 |
| Senio | 69% | 122 | 931 |
| Seomjin | 69% | 122 | 931 |
| Sequatchie | 67% | 152 | 890 |
| Serchio | 61% | 274 | 785 |
| Serein | 65% | 183 | 857 |
| Seret | 67% | 152 | 890 |
| Serio | 65% | 183 | 857 |
| Serrano | 59% | 335 | 750 |
| Sesia | 65% | 183 | 857 |
| Sespe Creek | 62% | 244 | 806 |
| Sesupe | 65% | 183 | 857 |
| Sevier | 50% | 731 | 620 |
| Sevre Nantaise | 67% | 152 | 890 |
| Sevre Niortaise | 69% | 122 | 931 |
| Seyhan | 55% | 457 | 697 |
| Seym | 64% | 213 | 830 |
| Shark | 67% | 152 | 890 |
| Shashe | 64% | 213 | 830 |
| Shasta | 65% | 183 | 857 |
| Shavers Fork | 67% | 152 | 890 |
| Sheboygan | 64% | 213 | 830 |
| Sheepscot | 62% | 244 | 806 |
| Shell Rock | 69% | 122 | 931 |
| Shenango | 59% | 335 | 750 |
| Sheyenne | 55% | 457 | 697 |
| Shiawassee | 59% | 335 | 750 |
| Shilka | 62% | 244 | 806 |
| Shimanto | 59% | 335 | 750 |
| Shire | 53% | 578 | 658 |
| Shkumbin | 52% | 609 | 650 |
| Shoalhaven | 58% | 365 | 736 |
| Shoshone | 57% | 396 | 722 |
| Shotover | 59% | 335 | 750 |
| Shubenacadie | 61% | 274 | 785 |
| Siak | 69% | 122 | 931 |
| Sieg | 65% | 183 | 857 |
| Sienne | 69% | 122 | 931 |
| Sihl | 61% | 274 | 785 |
| Sil | 65% | 183 | 857 |
| Sile | 62% | 244 | 806 |
| Siletz | 62% | 244 | 806 |
| Silvies | 69% | 122 | 931 |
| Simeto | 67% | 152 | 890 |
| Similkameen | 58% | 365 | 736 |
| Sinaloa | 69% | 122 | 931 |
| Sinu | 65% | 183 | 857 |
| Sio | 56% | 426 | 709 |
| Sipsey | 69% | 122 | 931 |
| Sipsey Fork of the Black Warrior | 69% | 122 | 931 |
| Siret | 51% | 670 | 634 |
| Sittaung | 60% | 304 | 767 |
| Siuslaw | 60% | 304 | 767 |
| Sjoa | 67% | 152 | 890 |
| Skeidara | 62% | 244 | 806 |
| Skjalfandafljot | 67% | 152 | 890 |
| Skjern A | 69% | 122 | 931 |
| Skunk | 59% | 335 | 750 |
| Skykomish | 59% | 335 | 750 |
| Slaney | 54% | 517 | 677 |
| Sluch | 69% | 122 | 931 |
| Smith | 67% | 152 | 890 |
| Smoky Hill | 50% | 731 | 620 |
| Snoqualmie | 56% | 426 | 709 |
| Sobat | 62% | 244 | 806 |
| Sokoto | 65% | 183 | 857 |
| Sol Duc | 58% | 365 | 736 |
| Sola | 65% | 183 | 857 |
| Solomon | 69% | 122 | 931 |
| Somes | 56% | 426 | 709 |
| Sonora | 64% | 213 | 830 |
| Sorgue | 58% | 365 | 736 |
| Sotla | 69% | 122 | 931 |
| Souris | 54% | 517 | 677 |
| Sous | 64% | 213 | 830 |
| South | 69% | 122 | 931 |
| South Anna | 65% | 183 | 857 |
| South Branch Potomac | 57% | 396 | 722 |
| South Esk | 64% | 213 | 830 |
| South Fork American | 58% | 365 | 736 |
| South Fork Eel | 65% | 183 | 857 |
| South Fork Flathead | 69% | 122 | 931 |
| South Fork Kern | 67% | 152 | 890 |
| South Morava | 55% | 457 | 697 |
| South Umpqua | 69% | 122 | 931 |
| South Yuba | 65% | 183 | 857 |
| Sozh | 67% | 152 | 890 |
| Spaarne | 69% | 122 | 931 |
| Sperchios | 51% | 670 | 634 |
| Spoon | 59% | 335 | 750 |
| Spring | 56% | 426 | 709 |
| Squamish | 64% | 213 | 830 |
| St. Francis | 51% | 700 | 627 |
| St. George | 69% | 122 | 931 |
| St. Regis | 67% | 152 | 890 |
| Stewart | 69% | 122 | 931 |
| Stillaguamish | 60% | 304 | 767 |
| Stillwater | 64% | 213 | 830 |
| Strickland | 67% | 152 | 890 |
| Styr | 65% | 183 | 857 |
| Suchiate | 69% | 122 | 931 |
| Suck | 60% | 304 | 767 |
| Sugar | 67% | 152 | 890 |
| Sugar Creek | 61% | 274 | 785 |
| Suiattle | 65% | 183 | 857 |
| Suir | 51% | 700 | 627 |
| Sukhona | 67% | 152 | 890 |
| Sulak | 59% | 335 | 750 |
| Sulphur | 62% | 244 | 806 |
| Sun | 65% | 183 | 857 |
| Sundays | 64% | 213 | 830 |
| Sunzha | 67% | 152 | 890 |
| Sura | 67% | 152 | 890 |
| Sure | 53% | 548 | 667 |
| Suriname River | 57% | 396 | 722 |
| Surma | 56% | 426 | 709 |
| Susan | 65% | 183 | 857 |
| Susitna | 53% | 548 | 667 |
| Sutjeska | 62% | 244 | 806 |
| Svartan | 69% | 122 | 931 |
| Sventoji | 69% | 122 | 931 |
| Svir | 57% | 396 | 722 |
| Svislach | 58% | 365 | 736 |
| Svitava | 69% | 122 | 931 |
| Svratka | 64% | 213 | 830 |
| Swakop | 54% | 517 | 677 |
| Swale | 53% | 548 | 667 |
| Swatara Creek | 62% | 244 | 806 |
| Sweetwater | 52% | 609 | 650 |
| Taf | 67% | 152 | 890 |
| Tahquamenon | 55% | 487 | 687 |
| Taieri | 65% | 183 | 857 |
| Taku | 61% | 274 | 785 |
| Talas | 54% | 517 | 677 |
| Tallapoosa | 52% | 639 | 642 |
| Tambo | 64% | 213 | 830 |
| Tambopata | 67% | 152 | 890 |
| Tamega | 67% | 152 | 890 |
| Tanaro | 62% | 244 | 806 |
| Tangipahoa | 69% | 122 | 931 |
| Tano | 60% | 304 | 767 |
| Tao | 64% | 213 | 830 |
| Tapajos | 52% | 609 | 650 |
| Tapi (Thailand) | 69% | 122 | 931 |
| Tarcoles | 61% | 274 | 785 |
| Taro | 65% | 183 | 857 |
| Tarsus | 64% | 213 | 830 |
| Tatshenshini | 62% | 244 | 806 |
| Tauber | 60% | 304 | 767 |
| Tavy | 65% | 183 | 857 |
| Taw | 56% | 426 | 709 |
| Tawe | 58% | 365 | 736 |
| Taz | 69% | 122 | 931 |
| Tchefuncte | 56% | 426 | 709 |
| Teifi | 53% | 548 | 667 |
| Teign | 59% | 335 | 750 |
| Teise | 65% | 183 | 857 |
| Teith | 64% | 213 | 830 |
| Tekeze | 55% | 487 | 687 |
| Teles Pires | 69% | 122 | 931 |
| Tellico | 61% | 274 | 785 |
| Temo | 67% | 152 | 890 |
| Tenryu | 62% | 244 | 806 |
| Tensas | 65% | 183 | 857 |
| Tensift | 67% | 152 | 890 |
| Ter | 62% | 244 | 806 |
| Teshio | 69% | 122 | 931 |
| Teslin | 69% | 122 | 931 |
| Tet | 65% | 183 | 857 |
| Teton | 58% | 365 | 736 |
| Teviot | 61% | 274 | 785 |
| Tha Chin | 65% | 183 | 857 |
| Thame | 53% | 548 | 667 |
| Thelon | 58% | 365 | 736 |
| Thjorsa | 58% | 365 | 736 |
| Thomson | 62% | 244 | 806 |
| Thornapple | 60% | 304 | 767 |
| Thu Bon | 62% | 244 | 806 |
| Thunder Bay | 67% | 152 | 890 |
| Thur | 65% | 183 | 857 |
| Thurso | 69% | 122 | 931 |
| Tickfaw | 69% | 122 | 931 |
| Tiete | 53% | 578 | 658 |
| Tigre | 67% | 152 | 890 |
| Timis | 57% | 396 | 722 |
| Timok | 61% | 274 | 785 |
| Tioga | 69% | 122 | 931 |
| Tirso | 69% | 122 | 931 |
| Tittabawassee | 57% | 396 | 722 |
| Tobol | 54% | 517 | 677 |
| Toce | 67% | 152 | 890 |
| Tolka | 53% | 578 | 658 |
| Tollense | 64% | 213 | 830 |
| Tolten | 67% | 152 | 890 |
| Tom | 64% | 213 | 830 |
| Tonawanda Creek | 60% | 304 | 767 |
| Tone | 61% | 274 | 785 |
| Tongue | 55% | 457 | 697 |
| Tonle Sap River | 57% | 396 | 722 |
| Tonto Creek | 67% | 152 | 890 |
| Tormes | 61% | 274 | 785 |
| Torre | 69% | 122 | 931 |
| Torridge | 61% | 274 | 785 |
| Torsa | 57% | 396 | 722 |
| Touchet | 69% | 122 | 931 |
| Toutle | 59% | 335 | 750 |
| Traun | 61% | 274 | 785 |
| Trave | 56% | 426 | 709 |
| Trebbia | 59% | 335 | 750 |
| Trebisnjica | 55% | 487 | 687 |
| Trempealeau | 69% | 122 | 931 |
| Treska | 64% | 213 | 830 |
| Tronto | 65% | 183 | 857 |
| Tsiribihina | 67% | 152 | 890 |
| Tua | 69% | 122 | 931 |
| Tualatin | 58% | 365 | 736 |
| Tuckasegee | 52% | 639 | 642 |
| Tuira | 65% | 183 | 857 |
| Tukituki | 69% | 122 | 931 |
| Tule | 57% | 396 | 722 |
| Tully | 69% | 122 | 931 |
| Tummel | 64% | 213 | 830 |
| Tumut | 69% | 122 | 931 |
| Tundzha | 58% | 365 | 736 |
| Tungnaa | 67% | 152 | 890 |
| Turgay | 69% | 122 | 931 |
| Turkey River | 67% | 152 | 890 |
| Turkwel | 64% | 213 | 830 |
| Tuscarawas | 51% | 670 | 634 |
| Tygart Valley | 50% | 731 | 620 |
| Tywi | 53% | 578 | 658 |
| Uda | 65% | 183 | 857 |
| Uecker | 69% | 122 | 931 |
| Uele | 62% | 244 | 806 |
| Ufa | 67% | 152 | 890 |
| Ugab | 69% | 122 | 931 |
| Ugra | 65% | 183 | 857 |
| Ulla | 65% | 183 | 857 |
| Ulua | 69% | 122 | 931 |
| Ulungur | 69% | 122 | 931 |
| Umatilla | 67% | 152 | 890 |
| Umealven | 61% | 274 | 785 |
| Unadilla | 69% | 122 | 931 |
| Uncompahgre | 56% | 426 | 709 |
| Unstrut | 64% | 213 | 830 |
| Upper Iowa | 64% | 213 | 830 |
| Urumea | 64% | 213 | 830 |
| Usa | 67% | 152 | 890 |
| Usutu | 60% | 304 | 767 |
| Uwharrie | 64% | 213 | 830 |
| Vah | 50% | 731 | 620 |
| Vakhsh | 59% | 335 | 750 |
| Valdivia | 67% | 152 | 890 |
| Valira | 64% | 213 | 830 |
| Van Duzen | 65% | 183 | 857 |
| Vantaanjoki | 69% | 122 | 931 |
| Var | 54% | 517 | 677 |
| Vasyugan | 64% | 213 | 830 |
| Vaupes | 65% | 183 | 857 |
| Vecht | 59% | 335 | 750 |
| Vechte | 65% | 183 | 857 |
| Vedder | 57% | 396 | 722 |
| Velikaya | 64% | 213 | 830 |
| Venta | 62% | 244 | 806 |
| Verdon | 59% | 335 | 750 |
| Vermilion | 55% | 457 | 697 |
| Vermillion | 65% | 183 | 857 |
| Verzasca | 60% | 304 | 767 |
| Vesle | 67% | 152 | 890 |
| Vezere | 56% | 426 | 709 |
| Vienne | 55% | 487 | 687 |
| Vilaine | 60% | 304 | 767 |
| Vilnia | 61% | 274 | 785 |
| Vilyuy | 62% | 244 | 806 |
| Vinalopo | 69% | 122 | 931 |
| Vindelalven | 67% | 152 | 890 |
| Vipava | 61% | 274 | 785 |
| Vire | 64% | 213 | 830 |
| Vispa | 67% | 152 | 890 |
| Vit | 67% | 152 | 890 |
| Volkhov | 55% | 457 | 697 |
| Volturno | 55% | 457 | 697 |
| Vorderrhein | 51% | 700 | 627 |
| Voronezh | 67% | 152 | 890 |
| Vorskla | 64% | 213 | 830 |
| Vrbas | 52% | 639 | 642 |
| Vuoksi | 60% | 304 | 767 |
| Vyatka | 62% | 244 | 806 |
| Vychegda | 64% | 213 | 830 |
| Vyrnwy | 59% | 335 | 750 |
| Waiau | 64% | 213 | 830 |
| Waimakariri | 57% | 396 | 722 |
| Waipa | 69% | 122 | 931 |
| Wairau | 64% | 213 | 830 |
| Wakarusa | 64% | 213 | 830 |
| Walawe | 69% | 122 | 931 |
| Walker | 57% | 396 | 722 |
| Walla Walla | 60% | 304 | 767 |
| Wallkill | 54% | 517 | 677 |
| Wallowa | 65% | 183 | 857 |
| Walnut | 69% | 122 | 931 |
| Wansbeck | 62% | 244 | 806 |
| Wapsipinicon | 60% | 304 | 767 |
| Wardha | 52% | 609 | 650 |
| Warnow | 62% | 244 | 806 |
| Warrego | 60% | 304 | 767 |
| Washita | 52% | 639 | 642 |
| Watauga | 51% | 670 | 634 |
| Wateree | 57% | 396 | 722 |
| Waveney | 53% | 548 | 667 |
| Weaver | 51% | 670 | 634 |
| Weber | 53% | 548 | 667 |
| Weisse Elster | 53% | 548 | 667 |
| Wenatchee | 58% | 365 | 736 |
| Werra | 58% | 365 | 736 |
| Werre | 69% | 122 | 931 |
| Werribee | 62% | 244 | 806 |
| West Branch Delaware | 57% | 396 | 722 |
| West Branch Penobscot | 64% | 213 | 830 |
| West Canada Creek | 62% | 244 | 806 |
| West Fork | 60% | 304 | 767 |
| West Morava | 58% | 365 | 736 |
| West Walker | 69% | 122 | 931 |
| Westfield | 62% | 244 | 806 |
| White Drin | 52% | 609 | 650 |
| White Volta | 59% | 335 | 750 |
| Whitewater | 51% | 700 | 627 |
| Wichita | 62% | 244 | 806 |
| Wieprz | 65% | 183 | 857 |
| Wildcat Creek | 67% | 152 | 890 |
| Williamson | 62% | 244 | 806 |
| Wills Creek | 67% | 152 | 890 |
| Wimmera | 64% | 213 | 830 |
| Winisk | 69% | 122 | 931 |
| Winnipeg River | 50% | 731 | 620 |
| Winooski | 53% | 578 | 658 |
| Wislok | 69% | 122 | 931 |
| Wisloka | 69% | 122 | 931 |
| Wissey | 64% | 213 | 830 |
| Wkra | 69% | 122 | 931 |
| Wouri | 54% | 517 | 677 |
| Wu | 61% | 274 | 785 |
| Wupper | 55% | 457 | 697 |
| Wurm | 65% | 183 | 857 |
| Wutach | 69% | 122 | 931 |
| Wynoochee | 69% | 122 | 931 |
| Yalobusha | 69% | 122 | 931 |
| Yalong | 61% | 274 | 785 |
| Yamaska | 65% | 183 | 857 |
| Yampa | 51% | 700 | 627 |
| Yana | 60% | 304 | 767 |
| Yantra | 62% | 244 | 806 |
| Yaque del Norte | 64% | 213 | 830 |
| Yaqui | 55% | 487 | 687 |
| Yaquina | 67% | 152 | 890 |
| Yarkand | 55% | 487 | 687 |
| Yarkon | 51% | 670 | 634 |
| Yarmouk | 50% | 731 | 620 |
| Yauza | 65% | 183 | 857 |
| Ybbs | 67% | 152 | 890 |
| Yesilirmak | 59% | 335 | 750 |
| Yodo | 51% | 700 | 627 |
| Yom | 69% | 122 | 931 |
| Yongding | 56% | 426 | 709 |
| Yonne | 56% | 426 | 709 |
| Yoshino | 62% | 244 | 806 |
| Ystwyth | 61% | 274 | 785 |
| Ythan | 65% | 183 | 857 |
| Yuan | 65% | 183 | 857 |
| Yug | 69% | 122 | 931 |
| Yuna | 67% | 152 | 890 |
| Zaan | 53% | 578 | 658 |
| Zala | 67% | 152 | 890 |
| Zayanderud | 53% | 578 | 658 |
| Zbruch | 58% | 365 | 736 |
| Zeravshan | 52% | 609 | 650 |
| Zeta | 64% | 213 | 830 |
| Zeya | 64% | 213 | 830 |
| Zezere | 62% | 244 | 806 |
| Ziz | 59% | 335 | 750 |
| Zrmanja | 57% | 396 | 722 |
| Zumbro | 55% | 457 | 697 |
| Zuni | 60% | 304 | 767 |
| Zwickauer Mulde | 69% | 122 | 931 |