| Bolstad Slough | Brookings, SD | 17.9 miles | SW |
| Nelson Slough | Brookings, SD | 18.7 miles | SW |
| Tenneboe Slough | Kingsbury, SD | 18.7 miles | SW |
| Thompson Slough | Lake, SD | 21.6 miles | SW |
| Quam Slough | Lake, SD | 22.1 miles | SW |
| Cottonwood Slough | Deuel, SD | 23.3 miles | NE |
| Johnsons Slough | Hamlin, SD | 25.8 miles | NW |
| Baxter Slough | Hamlin, SD | 27.4 miles | NW |
| Dooley Slough | Lake, SD | 28.3 miles | SW |
| Zimmerman Slough | Lake, SD | 29.8 miles | SE |
| Davis Slough | Lake, SD | 31.4 miles | SW |
| Crane Slough | Lake, SD | 34.9 miles | SW |
| Sumner Slough | Codington, SD | 42.2 miles | NW |
| Kaufman Slough | Grant, SD | 47.9 miles | NE |
| Flinks Slough | Lac qui Parle, MN | 57.4 miles | NE |
| Lake Leo | Hanson, SD | 62.2 miles | SW |
| Long Slough | Chippewa, MN | 66.9 miles | NE |
| Round Slough | Chippewa, MN | 67.3 miles | NE |
| Hanover Slough | Murray, MN | 67.6 miles | SE |
| Karl Slough | Big Stone, MN | 69 miles | NE |
| Schwartz Slough | Beadle, SD | 69.5 miles | SW |
| Hanson Slough | Big Stone, MN | 69.7 miles | NE |
| Eastman Slough | Roberts, SD | 72.2 miles | NE |
| Campbell Slough | Big Stone, MN | 74.2 miles | NE |
| Peever Slough | Roberts, SD | 76.2 miles | NW |
| Jipson Slough | Stevens, MN | 82.2 miles | NE |
| Big Slough | Spink, SD | 93.1 miles | NW |
| Black Slough | Marshall, SD | 93.2 miles | NW |
| Wilkie Slough | Aurora, SD | 97.6 miles | SW |
| Renzienhausen Slough | Brown, SD | 103.6 miles | NW |
| Tracey Slough | Pope, MN | 109.6 miles | NE |
| Sangls Slough | Jackson, MN | 109.9 miles | SE |
| Willow Slough | Grant, MN | 112.7 miles | NE |
| McClelland Slough | Dickinson, IA | 114.3 miles | SE |
| Trickle Slough | Dickinson, IA | 115.6 miles | SE |
| Jemmerson Slough | Dickinson, IA | 115.7 miles | SE |
| Hale Slough | Dickinson, IA | 116.5 miles | SE |
| Sandbar Slough | Dickinson, IA | 116.6 miles | SE |
| Garlock Slough | Dickinson, IA | 117.9 miles | SE |
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