| County : Clay | |||
| County Characteristics | Area (ac)* | Percentage | |
| Major Watersheds | Buffalo River | 406,905 | 60.1 |
| Wild Rice River | 130,449 | 19.3 | |
| Red River of the North | 113,876 | 16.8 | |
| Marsh River | 24,777 | 3.7 | |
| Otter Tail River | 1,273 | 0.2 | |
| Agroecoregions | Poorly Drained Lake Sediments | 56,996 | 8.4 |
| Steep Dryer Moraine | 67,508 | 10.0 | |
| Very Poorly Drained Lake Sediments | 159,063 | 23.5 | |
| Inter-Beach Sand Bars | 158,643 | 23.4 | |
| Dryer Till | 133,251 | 19.7 | |
| Mahnomen Lake Sediments | 1,502 | 0.2 | |
| Swelling Clay Lake Sediments | 100,315 | 14.8 | |
| Slope Steepness | 0-2 % | 455,981 | 67.3 |
| 2-6 % | 151,035 | 22.3 | |
| 2-12 % | 2,115 | 0.3 | |
| 6-12 % | 7,166 | 1.1 | |
| 6-45 % | 60,668 | 9.0 | |
| 12-45 % | 314 | 0.1 | |
| Drainage | Poorly Drained | 425,879 | 62.9 |
| Well Drained | 142,967 | 21.1 | |
| Poor improved by tiling | 102,818 | 15.2 | |
| No R+D233ating | 5,614 | 0.8 | |
| Proximity | Land Locked | 493,513 | 72.9 |
| Intermittent River | 72,208 | 10.7 | |
| Drainage Ditches | 52,015 | 7.7 | |
| Permanent River | 42,286 | 6.2 | |
| Lake Shoreline | 17,258 | 2.5 | |
| Geomorphology | Agassiz Lacustrine Plain, Red River Valley Area | 444,748 | 65.7 |
| Fergus Falls (Young Gray Drift) Till Plain | 133,251 | 19.7 | |
| Alexandria Moraine Complex | 64,056 | 9.5 | |
| Agassiz Lacustrine Plain, Inter-Beach Area | 30,270 | 4.5 | |
| Detroit Lakes Pitted Outwash Plain | 3,452 | 0.5 | |
| Mahnomen Lacustrine Plain | 1,502 | 0.2 | |
| Water Erosion | Moderate | 493,790 | 72.9 |
| Severe | 158,858 | 23.5 | |
| Extreme | 24,631 | 3.6 | |
| Wind Erosion Group | Very Severe | 133,446 | 19.7 |
| Severe | 240,801 | 35.6 | |
| Moderate | 303,031 | 44.7 | |
| Precipitation | Between 20-22 inches | 603,416 | 89.1 |
| Between 22-24 inches | 73,727 | 10.9 | |
| No rating | -677,143 | 0.0 | |
| Growing Degree Days | 1500-1750 Degree Days | 138,633 | 20.5 |
| 1750-2000 Degree Days | 283,352 | 41.8 | |
| 2000-2250 Degree Days | 255,158 | 37.7 | |
| No rating | 136 | 0.0 | |
| * Expressed as acres or percent for the County area | |||