| # | Basin Area | River Name | State Hint | % Correct |
|---|---|---|---|---|
| 3 | 219,500 | Colombia | Washington | 100%
|
| 2 | 244,000 | Colorado | Arizona | 100%
|
| 10 | 39,900 | Colorado | Texas | 100%
|
| 20 | 13,400 | Hudson | New York | 100%
|
| 1 | 1,249,300 | Mississippi | Most | 100%
|
| 5 | 93,820 | Rio Grande | Texas | 100%
|
| 6 | 69,500 | Nelson | North Dakota | 91%
|
| 18 | 14,700 | Potomac | Virginia | 91%
|
| 8 | 44,000 | Mobile | Alabama | 73%
|
| 4 | 195,000 | St. Lawrence | New York | 73%
|
| 9 | 42,100 | Suison | California | 73%
|
| 26 | 9,850 | Savannah | Georgia | 64%
|
| 7 | 45,000 | Brazos | Texas | 55%
|
| 22 | 11,370 | Delaware | Pennsylvania | 55%
|
| 13 | 19,500 | Apalachicola | Georgia | 45%
|
| 33 | 8,640 | James | Virginia | 45%
|
| 23 | 11,140 | Connecticut | Massachusetts | 36%
|
| 15 | 15,590 | Trinity | Texas | 36%
|
| 28 | 9,360 | Kennebec | Maine | 27%
|
| 27 | 9,680 | Roanoke | Virginia | 27%
|
| 36 | 7,360 | St. John | Maine | 27%
|
| 30 | 8,840 | St. Johns | Florida | 27%
|
| 11 | 27,500 | Susquehanna | Pennsylvania | 27%
|
| 29 | 9,120 | Cape Fear | North Carolina | 18%
|
| 24 | 10,130 | Guadalupe | Texas | 18%
|
| 16 | 15,500 | Klamath | California | 18%
|
| 14 | 16,700 | Nueces | Texas | 18%
|
| 32 | 8,760 | Pearl | Mississippi | 18%
|
| 21 | 12,720 | Pee Dee | North Carolina | 18%
|
| 34 | 8,570 | Penobscot | Maine | 18%
|
| 12 | 19,770 | Sabine | Texas | 18%
|
| 19 | 14,000 | Altamaha | Georgia | 9%
|
| 17 | 15,410 | Santee | South Carolina | 9%
|
| 25 | 9,950 | Suwannee | Florida | 9%
|
| 35 | 7,380 | Caloosahatchee | Florida | 0%
|
| 31 | 8,800 | Pascagoula | Mississippi | 0%
|