| County : Norman | |||
| County Characteristics | Area (ac)* | Percentage | |
| Major Watersheds | Wild Rice River | 298,366 | 52.8 |
| Marsh River | 227,386 | 40.3 | |
| Sandhill River | 38,911 | 6.9 | |
| Agroecoregions | Poorly Drained Lake Sediments | 3,603 | 0.6 |
| Very Poorly Drained Lake Sediments | 117,457 | 20.8 | |
| Inter-Beach Sand Bars | 213,808 | 37.9 | |
| Dryer Till | 86,369 | 15.3 | |
| Mahnomen Lake Sediments | 7,818 | 1.4 | |
| Swelling Clay Lake Sediments | 135,609 | 24.0 | |
| Slope Steepness | 0-2 % | 360,358 | 63.8 |
| 2-6 % | 202,550 | 35.9 | |
| 6-12 % | 1,754 | 0.3 | |
| Drainage | Poorly Drained | 249,141 | 44.1 |
| Well Drained | 213,124 | 37.7 | |
| Poor improved by tiling | 94,108 | 16.7 | |
| No rating | 8,290 | 1.5 | |
| Proximity | Land Locked | 362,587 | 64.2 |
| Drainage Ditches | 80,987 | 14.3 | |
| Intermittent River | 77,152 | 13.7 | |
| Permanent River | 41,394 | 7.3 | |
| Lake Shoreline | 2,543 | 0.5 | |
| Geomorphology | Agassiz Lacustrine Plain, Red River Valley Area | 305,902 | 54.2 |
| Agassiz Lacustrine Plain, Inter-Beach Area | 164,574 | 29.2 | |
| Fosston Till Plain, Loamy | 52,029 | 9.2 | |
| Fergus Falls (Young Gray Drift) Till Plain | 34,340 | 6.1 | |
| Mahnomen Lacustrine Plain | 7,818 | 1.4 | |
| Water Erosion | Moderate | 487,721 | 86.4 |
| High | 114 | 0.0 | |
| Severe | 76,828 | 13.6 | |
| Wind Erosion Group | Very Severe | 121,237 | 21.5 |
| Severe | 272,933 | 48.4 | |
| High | 1,147 | 0.2 | |
| Moderate | 169,348 | 30.0 | |
| Precipitation | Between 18-20 inches | 51,256 | 9.1 |
| Between 20-22 inches | 223,917 | 39.7 | |
| Between 22-24 inches | 289,413 | 51.3 | |
| No rating | 76 | 0.0 | |
| Growing Degree Days | 2000-2250 Degree Days | 329,560 | 58.4 |
| 2250-2500 Degree Days | 158,952 | 28.2 | |
| 2500-2750 Degree Days | 76,075 | 13.5 | |
| No rating | 76 | 0.0 | |
| * Expressed as acres or percent for the County area | |||