North Fork Crow River Watershed Stressor Identification Report

North Fork Crow River Watershed Stressor Identification Report

Stressor identification December 2020 North Fork Crow River Watershed Stressor Identification Report Assessment of stress factors affecting aquatic biological communities and other aspects of streams and rivers [Picture(s) can be inserted into this space. Right click on this picture, choose change picture, click on the picture you want and then insert. Resize/Crop the picture to fit this area.] 1 Author Kevin Stroom (MPCA) Contributors/acknowledgements Brooke Hacker (DNR) - Geomorphology study Jon Lore (DNR) - Geomorphology study Brady Swanson (DNR) - Geomorphology study Ethan Jenzen (DNR) - Geomorphology study Chuck Johnson (MPCA) - SID fieldwork lead Scott Lucas (MPCA) - SID fieldwork Greg VanEeckhout (MPCA) - SID fieldwork Manuscript reviewers Jonathon Newkirk (MPCA) Chuck Johnson (MPCA) Andy Johnson (Middle Fork Crow River Watershed District) Chris Lundeen (North Fork Crow River Watershed District) Joe Norman (Meeker County SWCD) Cover photo: North Fork Crow River at 328th Street, Meeker County, MN - MPCA photo Minnesota Pollution Control Agency 520 Lafayette Road North | Saint Paul, MN 55155-4194 | 651-296-6300 | 800-657-3864 | Or use your preferred relay service. | [email protected] This report is available in alternative formats upon request, and online at www.pca.state.mn.us. Document number: wq-ws5-07010204d Contents List of figures ..................................................................................................................................................... iv List of tables ..................................................................................................................................................... vii List of photos ...................................................................................................................................................... x Acronyms and term definitions .......................................................................................................................... xi Executive summary ............................................................................................................................................ 1 Mechanisms of candidate stressors and applicable standards ................................................................................. 2 Notes on analysis of biological data .......................................................................................................................... 3 Use attainability analysis notes on analysis of physical and hydrological data .................................................... 3 Biologically-impaired streams ............................................................................................................................ 4 Middle Fork Crow River (AUID 07010204-511) ......................................................................................................... 4 Sub-watershed characteristics .............................................................................................................................. 4 Data and analyses ................................................................................................................................................. 5 Conclusions about stressors ............................................................................................................................... 15 Recommendations .............................................................................................................................................. 15 Judicial Ditch 17 (AUID 07010204-532) ................................................................................................................... 15 Sub-watershed characteristics ............................................................................................................................ 16 Data and analyses ............................................................................................................................................... 16 Conclusions about stressors ............................................................................................................................... 21 Recommendations .............................................................................................................................................. 22 County Ditch 37 (AUID 07010204-536) ................................................................................................................... 22 Sub-watershed characteristics ............................................................................................................................ 22 Data and analyses ............................................................................................................................................... 23 Conclusions about stressors ............................................................................................................................... 26 Recommendations .............................................................................................................................................. 27 Middle Fork Crow River (AUID 07010204-539) ....................................................................................................... 27 Sub-watershed characteristics ............................................................................................................................ 27 Data and analyses ............................................................................................................................................... 28 Conclusions about stressors ............................................................................................................................... 32 Recommendations .............................................................................................................................................. 33 Tributary to Lake Koronis (AUID 07010204-553) .................................................................................................... 33 Sub-watershed characteristics ............................................................................................................................ 33 Data and analyses ............................................................................................................................................... 34 Conclusions about stressors ............................................................................................................................... 43 Recommendations .............................................................................................................................................. 44 Silver Creek (AUID 07010204-557) .......................................................................................................................... 44 Sub-watershed characteristics ............................................................................................................................ 44 North Fork Crow River Watershed Stressor Identification Report • December 2020 Minnesota Pollution Control Agency i Data and analyses ............................................................................................................................................... 45 Conclusions about stressors ............................................................................................................................... 52 Recommendations .............................................................................................................................................. 52 Stag Brook (AUID 07010204-572)............................................................................................................................ 53 Sub-watershed characteristics ............................................................................................................................ 54 Data and analyses ............................................................................................................................................... 54 Conclusions about stressors ............................................................................................................................... 62 Recommendations .............................................................................................................................................. 62 Collinwood Creek (AUID 07010204-604) ................................................................................................................. 63 Sub-watershed characteristics ............................................................................................................................ 63 Data and analyses ............................................................................................................................................... 64 Conclusions about stressors ............................................................................................................................... 70 Recommendations .............................................................................................................................................. 71 County Ditch 26 (AUID 07010204-643) ................................................................................................................... 71 Sub-watershed characteristics ............................................................................................................................ 71 Data and analyses

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