County : Sibley
County Characteristics Area (ac)* Percentage
Major Watersheds Lower Minnesota River 351,485 94.0
  Middle Minnesota River 22,592 6.0
       
Agroecoregions Wetter Clays and Silts 293,028 78.3
  Steeper Till 46,477 12.4
  Steep Valley Walls 18,577 5.0
  Rolling Moraine 11,876 3.2
  Alluvium and Outwash 4,119 1.1
       
Slope Steepness 0-2 Percent 260,599 69.7
  2-6 Percent 55,071 14.7
  2-12 Percent 38,046 10.2
  6-12 Percent 19,155 5.1
  Water 1,206 0.3
       
Internal Drainage Poorly drained 40,040 10.7
  Poor/Improved by tiling 264,471 70.7
  Well drained 68,360 18.3
  Water 1,206 0.3
       
Proximity to Water Landlocked 251,353 67.2
  Drainage Ditches 62,968 16.8
  Permanent River 30,374 8.1
  Intermittent River 16,215 4.3
  Lake Shoreline 11,759 3.1
  Water 1,206 0.3
  Island Shoreline 203 0.1
       
Geomorphology Arlington-Matowan Ground Moraine (043) 200,917 53.7
  Waconia-Waseca Moraine (034) 98,447 26.3
  Olivia Till Plain (064) 45,617 12.2
  Wells-Rush River Ground Moraine (042) 21,369 5.7
  Minnesota Valley Outwash (032) 7,727 2.1
       
Water Erosion Moderate 1,468 0.4
  High 313,011 83.7
  Severe 40,655 10.9
  Extreme 18,943 5.1
       
Wind Erosion Group Very Severe 18,112 4.8
  Severe 235,988 63.1
  Moderate 119,977 32.1
       
Crop Productivity Medium productivity 28,953 7.7
  High productivity 345,125 92.3
       
Precipitation Between 26-28 inches 7,215 1.9
  Between 28-30 inches 201,779 53.9
  Between 30-32 inches 165,083 44.1
       
Growing Degree Days 2000-2250 Degree Days 206,084 55.1
  2250-2500 Degree Days 157,398 42.1
  2500-2750 Degree Days 10,596 2.8
       
* Expressed as acres or percent for County area in the Minnesota River Basin

Last Updated on 3/5/00