Bourbeuse River Watershed and Inventory Assessment
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Bourbeuse River Watershed and Inventory Assessment, December 1999 Prepared by Todd J. Blanc, George Kromrey, Michael Smith, Andrew Austin, Ron Burke Missouri Department of Conservation, Sullivan, MO Table of Contents Executive Summary ...................................................................................................................................... 5 Location ........................................................................................................................................................ 7 Geology ......................................................................................................................................................... 9 Physiographic Region ............................................................................................................................... 9 Geology ..................................................................................................................................................... 9 Losing Streams ......................................................................................................................................... 9 Soil Associations .................................................................................................................................... 10 Soil Types ............................................................................................................................................... 10 Soil Associations .................................................................................................................................... 11 Soil Types ............................................................................................................................................... 11 Erosion Potential ..................................................................................................................................... 12 Gradient Plot ........................................................................................................................................... 13 Channel Gradient From Regional Geology ............................................................................................. 13 Land Use ..................................................................................................................................................... 16 Historical and Recent Land Use ............................................................................................................. 16 Population Trends ................................................................................................................................... 17 Farming ................................................................................................................................................... 17 Mining ..................................................................................................................................................... 18 Logging ................................................................................................................................................... 19 Recreation ............................................................................................................................................... 19 Natural Resources Conservation Service Projects .................................................................................. 19 Public Areas ............................................................................................................................................ 19 Stream Access ......................................................................................................................................... 20 Corps of Engineers 404 Jurisdiction ....................................................................................................... 20 Hydrology ................................................................................................................................................... 28 Precipitation ............................................................................................................................................ 28 USGS Gaging Stations ........................................................................................................................... 28 Permanent and Intermittent Reaches ...................................................................................................... 28 Average Annual Discharge ..................................................................................................................... 28 Stream/Hydrologic Characteristics 7-Day Q2, Q10, Q20 Low Flows ................................................... 28 Flow Duration Curve .............................................................................................................................. 29 Dam and Hydropower InFluences ........................................................................................................... 29 Water Quality .............................................................................................................................................. 34 BeneFicial Use Attainment ...................................................................................................................... 34 Threats to BeneFicial Uses ...................................................................................................................... 34 2 Water Quality .......................................................................................................................................... 35 Springs .................................................................................................................................................... 35 Chemical Quality of Stream Flow .......................................................................................................... 35 Fish Kills, Contamination Levels, and Health Advisories ..................................................................... 36 Fish Kills and Pollution Events .............................................................................................................. 36 Contamination Levels ............................................................................................................................. 36 Water Use ............................................................................................................................................... 37 Point Source Pollution ............................................................................................................................ 38 Concentrated Animal Feed Operations (CAFOs) ................................................................................... 38 Non-point Source Pollution .................................................................................................................... 39 Habitat Conditions ...................................................................................................................................... 44 Channel Alterations ................................................................................................................................ 44 Dredging, Gravel Mining ........................................................................................................................ 44 Unique Habitat ........................................................................................................................................ 44 Rare & Endangered Species ................................................................................................................... 45 Improvement Projects ............................................................................................................................. 45 Stream Habitat Assessment Site Selection ............................................................................................. 46 Habitat Evaluation .................................................................................................................................. 46 Channel Condition .................................................................................................................................. 47 Channel Stability .................................................................................................................................... 48 Land Use ................................................................................................................................................. 48 Channel Habitat ...................................................................................................................................... 49 Channel Alterations ................................................................................................................................ 50 Biotic Community ....................................................................................................................................... 68 CrayFish ................................................................................................................................................... 71 Benthic Insects and Other Invertebrates ................................................................................................. 71 Management Problems and Opportunities .................................................................................................. 98 GOAL I: Maintain and improve