| State | Rivers | % Correct |
|---|---|---|
| Kentucky | Mississippi / Ohio / Cumberland / Tennessee / Green | 100%
|
| Illinois | Mississippi / Ohio / Wabash / Illinois / Rock | 100%
|
| Missouri | Missouri / Mississippi / White / Des Moines / St Francis | 100%
|
| Arkansas | Mississippi / Arkansas / Red / White / Ouachita | 99%
|
| Tennessee | Mississippi / Cumberland / Tennessee / Clinch / Duck | 99%
|
| Minnesota | Mississippi / Red / Des Moines / Minnesota / Cedar | 99%
|
| Louisiana | Mississippi / Red / Ouachita / Sabine / Pearl | 99%
|
| Mississippi | Mississippi / Tennessee / Pearl / Big Black / Hatchie | 99%
|
| Wisconsin | Mississippi / Wisconsin / Rock / Wolf / Oconto | 99%
|
| Iowa | Missouri / Mississippi / Des Moines / Big Sioux / Cedar | 99%
|
| Colorado | Rio Grande / Arkansas / Colorado / Canadian / Green | 95%
|
| Texas | Rio Grande / Red / Pecos / Canadian / Colorado | 95%
|
| Arizona | Colorado / Gila / Little Colorado / Salt / Santa Cruz | 89%
|
| Utah | Colorado / Green / San Juan / Sevier / Bear | 89%
|
| California | Colorado / Sacramento / San Joaquin / Klamath / Pit | 89%
|
| Nevada | Colorado / Owyhee / Humboldt / Amargose / Reese | 88%
|
| Kansas | Missouri / Arkansas / Cimarron / Smoky Hill / Neosho | 88%
|
| South Dakota | Missouri / James / White / Little Missouri / Big Sioux | 88%
|
| North Dakota | Missouri / James / Yellowstone / Sheyenne / Little Missouri | 87%
|
| Nebraska | MIssouri / North Platte / White / Niobrara / Republican | 87%
|
| West Virginia | Ohio / New / Potomac / Greenbrier / Elk | 87%
|
| Montana | Missouri / Milk / Yellowstone / Kootenai / Bighorn | 86%
|
| Pennsylvania | Ohio / Susquehanna / Allegheny / Delaware / Genesee | 84%
|
| New York | Saint Lawrence / Susquehanna / Allegheny / Hudson / Delaware | 84%
|
| Indiana | Ohio / Wabash / White / St Joseph / Tippecanoe | 82%
|
| Ohio | Ohio / Wabash / Scioto / Great Miami / Maumee | 81%
|
| New Jersey | Hudson / Delaware / Raritan / Wallkill / Passaic | 79%
|
| New Mexico | Rio Grande / Pecos / Canadian / Cimarron / Gila | 77%
|
| Virginia | Roanoke / James / New / Potomac / Clinch | 68%
|
| Oklahoma | Arkansas / Red / Canadian / Cimarron / Neosho | 65%
|
| Oregon | Columbia / Snake / Owyhee / John Day / Klamath | 63%
|
| Maryland | Susquehanna / Potomac / Youghiogheny / Patuxent / Conococheague | 63%
|
| Washington | Columbia / Snake / Yakima / Grande Ronde / Kettle | 62%
|
| Wyoming | Snake / Green / North Platte / Yellowstone / Niobrara | 61%
|
| Idaho | Snake / Kootenai / Salmon / Bear / Owyhee | 54%
|
| Alabama | Tennessee / Chattahoochee / Alabama / Coosa / Tallapoosa | 54%
|
| Delaware | Delaware / Choptank / Pocomoke / Nanticoke | 48%
|
| Alaska | Yukon / Kuskokwim / Porcupine / Tanana / Innoko | 47%
|
| Georgia | Chattahoochee / Flint / Savannah / Ogeechee / Coosa | 39%
|
| Massachusetts | Connecticut / Housatonic / Merrimack / Charles / Deerfield | 34%
|
| Florida | Chattahoochee / St Johns / Suwanee / Ochlockonee / Alapaha | 31%
|
| North Carolina | Roanoke / New / Neuse / Pee Dee / Catawba | 30%
|
| South Carolina | Savannah / Pee Dee / Catawba / Edisto / Saluda | 30%
|
| New Hampshire | Connecticut / Androscoggin / Saco / Merrimack / Contoocook | 29%
|
| Connecticut | Connecticut / Housatonic / Quinebaug | 28%
|
| Vermont | Connecticut / Otter / Winooski / Lamoille / Missisquoi | 28%
|
| Michigan | Grand / Muskegon / St Joseph / Manistee / Raisin | 24%
|
| Maine | Saint John / Androscoggin / Kennebec / Saco / Penobscot | 18%
|