Assessment Report of Selected Lakes Within the North Fork Crow River Watershed Upper Mississippi River Basin November 2010 Authors Always: The MPCA is reducing printing and Pam Anderson mailing costs by using the Internet to distribute Geographic Information System reports and information to wider audience. Visit our web site for more information. Mapping Always: MPCA reports are printed on 100% post- Kris Parson consumer recycled content paper manufactured without chlorine or chlorine derivatives. Editing Steve Heiskary Dana Vanderbosch Assessment Report of Selected Lakes Within the North Fork Crow River Watershed Upper Mississippi River Basin Intensive Watershed Monitoring 2009 Minnesota Pollution Control Agency Water Monitoring Section Lakes and Streams Monitoring Unit Minnesota Pollution Control Agency 520 Lafayette Road North | Saint Paul, MN 55155-4194 | www.pca.state.mn.us | 651-296-6300 Toll free 800-657-3864 | TTY 651-282-5332 This report is available in alternative formats upon request, and online at www.pca.state.mn.us Document number: wq-ws3-07010204 Table of Contents List of Tables............................................................................................................................ iii List of Figures .......................................................................................................................... iv Executive Summary ................................................................................................................. 1 Introduction ............................................................................................................................ 1 IWM ............................................................................................................................................... 1 Lake monitoring and data storage .................................................................................................. 2 Lake morphometry and mixing ....................................................................................................... 2 Data analysis and modeling ........................................................................................................... 3 303(d) assessment .......................................................................................................................... 4 North Fork Crow River Watershed Background ....................................................................... 5 HUC-8 watershed characteristics .................................................................................................... 5 Climactic conditions ..................................................................................................................... 13 HUC – 11 Lake Assessment .................................................................................................... 14 Upper North Fork Crow River HUC-11 watershed .................................................................. 15 Rice Lake ...................................................................................................................................... 17 Lake Koronis ................................................................................................................................. 19 Upper North Fork Crow River HUC-11 watershed summary ........................................................... 22 Upper Middle Fork Crow River HUC-11 watershed ................................................................ 23 Mud/Middle Fork Crow Reservoir ................................................................................................. 25 Upper Middle Fork Crow River HUC-11 watershed summary ......................................................... 27 Central Middle Fork Crow River HUC-11 watershed ............................................................... 28 Nest Lake ..................................................................................................................................... 30 Green Lake ................................................................................................................................... 32 Lake Calhoun ................................................................................................................................ 34 Central Middle Fork Crow River HUC-11 watershed summary ....................................................... 36 Lower Middle Fork Crow River HUC-11 watershed ................................................................ 37 Diamond Lake .............................................................................................................................. 39 Long Lake Outlet HUC-11 watershed ..................................................................................... 40 Long Lake ..................................................................................................................................... 42 Hope Lake .................................................................................................................................... 43 Long Lake Outlet HUC-11 watershed summary ............................................................................. 44 Jewett Creek HUC-11 watershed ........................................................................................... 45 Lake Ripley ................................................................................................................................... 47 Litchfield HUC-11 watershed ................................................................................................. 49 Richardson Lake ........................................................................................................................... 51 Dunns Lake................................................................................................................................... 52 Litchfield HUC-11 watershed summary ......................................................................................... 53 Washington Creek HUC-11 watershed ................................................................................... 54 Lake Minnie-Belle ......................................................................................................................... 56 Lake Stella .................................................................................................................................... 57 Lake Washington ......................................................................................................................... 59 Washington Creek HUC-11 watershed summary ........................................................................... 61 Collinwood Creek HUC-11 watershed .................................................................................... 62 Lake Jennie .................................................................................................................................. 65 Collinwood Lake ........................................................................................................................... 67 Big Swan Lake .............................................................................................................................. 69 Collinwood Creek HUC-11 watershed summary ............................................................................ 71 Assessment Report of Selected Lakes Within the Minnesota Pollution Control Agency North Fork Crow River Watershed • wq-ws3-07010204 • November 2010 iii Sucker Creek HUC-11 watershed ........................................................................................... 72 Cokato Lake ................................................................................................................................. 74 Twelve Mile Creek HUC-11 watershed ................................................................................... 76 Howard Lake ................................................................................................................................ 78 Mill Creek HUC-11 watershed ................................................................................................ 80 Lake Pulaski ................................................................................................................................ 82 Upper Maple Lake ........................................................................................................................ 84 Buffalo Lake ................................................................................................................................. 86 Mill Creek HUC-11 watershed summary ........................................................................................ 86 Louzers Lake Outlet HUC-11 watershed ................................................................................. 87 Lake Mary .................................................................................................................................... 89 Lower North Fork Crow River HUC-11 watershed .................................................................. 91 Lake John ..................................................................................................................................... 93 East Lake Sylvia ............................................................................................................................ 95 West Lake Sylvia .......................................................................................................................... 97 Lake Francis