| County : Clay | |||
| County Characteristics | Area (ac)* | Percentage | |
| Major Watersheds | Buffalo River | 406,905 | 60 |
| Wild Rice River | 130,449 | 19 | |
| Red River of the North | 113,876 | 17 | |
| Marsh River | 24,777 | 4 | |
| Otter Tail River | 1,273 | 0 | |
| Agroecoregions | Very Poorly Drained Lake Sediments | 159,063 | 23 |
| Inter Beach Sand Bar Area | 158,643 | 23 | |
| Fergus Falls - Fosston Till Plains | 133,251 | 20 | |
| Swelling Clay Lake Sediments | 100,315 | 15 | |
| Alexandria Moraine | 64,056 | 9 | |
| Somewhat Poorly Drained Lake Sediments | 56,996 | 8 | |
| Outwash | 3,452 | 1 | |
| Mahnomen Lake Sediments | 1,502 | 0 | |
| Slope Steepness | 0-2 % | 455,981 | 67 |
| 2-6 % | 151,035 | 22 | |
| 2-12 % | 2,115 | 0 | |
| 6-12 % | 7,166 | 1 | |
| 6-45 % | 60,668 | 9 | |
| 12-45 % | 314 | 0 | |
| Drainage | Poorly Drained | 425,879 | 63 |
| Well Drained | 142,967 | 21 | |
| Poor improved by tiling | 102,818 | 15 | |
| No rating | 5,614 | 1 | |
| Proximity | Land Locked | 493,513 | 73 |
| Intermittent River | 72,208 | 11 | |
| Drainage Ditches | 52,015 | 8 | |
| Permanent River | 42,286 | 6 | |
| Lake Shoreline | 17,228 | 3 | |
| Geomorphology | Agassiz Lacustrine Plain, Red River Valley Area | 444,748 | 66 |
| Fergus Falls (Young Gray Drift) Till Plain | 133,251 | 20 | |
| Alexandria Moraine Complex | 64,056 | 9 | |
| Agassiz Lacustrine Plain, Inter-Beach Area | 30,270 | 4 | |
| Detroit Lakes Pitted Outwash Plain | 3,452 | 1 | |
| Mahnomen Lacustrine Plain | 1,502 | 0 | |
| Water Erosion Potential | Very Severe | 0 | 0 |
| Severe | 23,538 | 3 | |
| Very High | 0 | 0 | |
| High | 161,727 | 24 | |
| Moderate | 0 | 0 | |
| Slight | 492,014 | 73 | |
| Wind Erosion Potential | Extreme | 0 | 0 |
| Very Severe | 0 | 0 | |
| Severe | 292,837 | 43 | |
| Very High | 0 | 0 | |
| High | 232,768 | 34 | |
| Moderate | 14,266 | 2 | |
| Slight | 137,408 | 20 | |
| Precipitation | Between 20-22 inches | 603,416 | 89 |
| Between 22-24 inches | 73,727 | 11 | |
| Growing Degree Days | 1500-1750 Degree Days | 138,633 | 20 |
| 1750-2000 Degree Days | 283,352 | 42 | |
| 2000-2250 Degree Days | 255,158 | 38 | |
| * Expressed as acres or percent for the County area | |||