Watershed : Middle Minnesota River
Watershed Characteristics Area (ac)* Percentage
       
Agroecoregions Steeper Till 290,020 32.7
  Wetter Blue Earth Till 175,177 19.8
  Dryer Blue Earth Till 152,979 17.3
  Alluvium and Outwash 95,377 10.8
  Steep Valley Walls 61,708 7.0
  Rolling Moraine 58,895 6.7
  Wetter Clays and Silts 48,340 5.5
  Steep Stream Banks 3,804 0.4
       
Counties Nicollet 208,347 23.5
  Brown 196,980 22.2
  Renville 164,132 18.5
  Blue Earth 114,870 13.0
  Redwood 90,706 10.2
  Le Sueur 56,158 6.3
  Cottonwood 26,367 3.0
  Sibley 22,583 2.6
  Watonwan 6,158 0.7
       
Slope Steepness 0-2 Percent 403,230 45.5
  2-6 Percent 213,825 24.1
  2-12 Percent 157,732 17.8
  6-12 Percent 107,213 12.1
  Water 4,300 0.5
       
Internal Drainage Poorly drained 227,326 25.7
  Poor/Improved by tiling 214,156 24.2
  Well drained 440,517 49.7
  Water 4,300 0.5
       
Proximity to Water Lake Shoreline 36,099 4.1
  Permanent River 74,453 8.4
  Intermittent River 77,259 8.7
  Drainage Ditches 81,110 9.2
  Landlocked 613,079 69.2
       
Geomorphology Blue Earth Till Plain (066) 344,980 38.9
  Waconia-Waseca Moraine (034) 249,803 28.2
  Olivia Till Plain (064) 149,312 16.9
  Minnesota Valley Outwash (032) 101,549 11.5
  Emmons-Faribault Moraine (35B) 25,594 2.9
  Wells-Rush River Ground Moraine (042) 10,470 1.2
  Lonsdale-Lerdal Till Region (033) 4,592 0.5
       
Water Erosion Slight 9,586 1.1
  Moderate 95,379 10.8
  High 373,728 42.2
  Severe 288,422 32.5
  Extreme 119,185 13.5
       
Wind Erosion Group Very Severe 1,136 0.1
  Severe 451,674 51.0
  High 64,309 7.3
  Moderate 359,768 40.6
  No Data 9,413 1.1
       
Crop Productivity Low productivity 19,264 2.2
  Medium productivity 395,454 44.6
  High productivity 471,582 53.2
       
Precipitation Between 26-28 inches 342,698 38.7
  Between 28-30 inches 460,964 52.0
  Between 30-32 inches 82,639 9.3
       
Growing Degree Days 1750-2000 Degree Days 48,009 5.4
  2000-2250 Degree Days 142,334 16.1
  2250-2500 Degree Days 328,962 37.1
  2500-2750 Degree Days 366,995 41.4
       
* Expressed as acres or percent for major watershed area in the Minnesota River Basin


Last Updated on 3/7/00