| Hint | Answer | % Correct |
|---|---|---|
| The Missouri hydrologic region crosses an international border into which country? | Canada | 100%
|
| Name a state partially within the Great Basin. | California | Idaho | Nevada | Oregon | Utah | Wyoming | 97%
|
| Other than the Upper and Lower Mississippi, name one hydrologic region which is part of the Mississippi River drainage basin. | Arkansas-White-Red | Missouri | Ohio | Tennessee | 94%
|
| Which is the only state from which water can flow into the Gulf of Mexico but not the Mississippi River? | Florida | 94%
|
| Name a state other than Utah from which water flows into the Great Salt Lake. | Idaho | Wyoming | 94%
|
| Name a city of 100,000 people or more entirely within the Great Lakes hydrologic region. | Amherst | Ann Arbor | Buffalo | Cleveland | Clinton | Detroit | Fort Wayne | Grand Rapids | Green Bay | Lansing | Milwaukee | Rochester | South Bend | Sterling Heights | Syracuse | Toledo | Warren | 90%
|
| Name the state from which water might flow into the Hudson Bay or the Atlantic Ocean. | Minnesota | 84%
|
| Name a state which is exclusively part of hydrologic regions which drain into the Pacific. HINT: One of them is landlocked. | Arizona | Hawaii | Washington | 81%
|
| The state of Montana contains watersheds which eventually drain into three different bodies of water: the Pacific, Atlantic, and... | Hudson Bay | 68%
|
| Name the river which has the highest discharge into the Pacific in the Americas. | Columbia River | 65%
|
| The better-known Colorado River empties into the Pacific. However, another river by that name with a drainage basin spanning two states empties into the Gulf of Mexico. Name one of those states. | New Mexico | Texas | 65%
|
| Which river caused the deadliest river flood in US history, excluding dam breaches? | Ohio River | 42%
|
| Name one of the three rivers which lend their names to the hydrologic region in the above state from which water flows into the Hudson Bay. | Souris River | Rainy River | Red River of the North | 39%
|
| Into which Louisiana river are most of the tributaries of the Mississippi also connected before entering the Gulf of Mexico? | Atchafalaya River | 26%
|
| The state of South Carolina is entirely within a hydrologic region. Which one? | South Atlantic-Gulf | 3%
|