| Watershed : Grand Marais Creek | |||
| Watershed Characteristics | Area (ac)* | Percentage | |
| Agroecoregions | Very Poorly Drained Lake Sediments | 208,038 | 53.5 |
| Swelling Clay Lake Sediments | 100,523 | 25.9 | |
| Inter-Beach Sand Bars | 80,206 | 20.6 | |
| Counties | Polk | 326,046 | 83.8 |
| Marshall | 49,808 | 12.8 | |
| Pennigton | 12,913 | 3.3 | |
| Slope Steepness | 0-2 % | 382,207 | 98.3 |
| 2-6 % | 6,541 | 1.7 | |
| Water | 20 | 0.0 | |
| Drainage | Poorly Drained | 291,867 | 75.1 |
| Poor Improved by Tiling | 80,681 | 20.8 | |
| Well Drained | 16,200 | 4.2 | |
| Water | 20 | 0.0 | |
| Proximity | Land Locked | 306,048 | 78.7 |
| Drainage Ditches | 43,067 | 11.1 | |
| Intermittent River | 22,204 | 5.7 | |
| Permanent River | 16,828 | 4.3 | |
| Lake Shoreline | 601 | 0.2 | |
| Water | 20 | 0.0 | |
| Geomorphology | Agassiz Lacustrine Plain, Red River Valley Area | 351,922 | 90.5 |
| Agassiz Lacustrine Plain, Inter-Beach Area | 36,845 | 9.5 | |
| Water Erosion | Slight | 89 | 0.0 |
| Moderate | 373,801 | 96.1 | |
| High | 14,878 | 3.9 | |
| Wind Erosion Group | Very Severe | 24,527 | 6.3 |
| Severe | 199,163 | 51.2 | |
| Moderate | 165,181 | 42.5 | |
| Precipitation | Between 18-20 inches | 373,272 | 95.9 |
| Between 20-22 inches | 15,599 | 4.0 | |
| Growing Degree Days | 1750-2000 Degree Days | 338,369 | 87.0 |
| 2000-2250 Degree Days | 50,502 | 13.0 | |
| * Expressed as acres or percent for major watershed area in the Red River of the North basin | |||