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DRAFT <br /> <br />Table of Contents <br /> <br />go <br /> <br /> INTRODUCTION ............................................................................................................. 1 <br /> <br />A. BACKGROUND INFORMATION ............................................................................. 1 <br />B. SCOPE OF INVESTIGATION .................................................................................... 1 <br /> <br />II. <br /> <br />DESCRIPTION OF INVESTIGATION AND RESULTS ............................................ 3 <br /> <br />A. LAKE SEDIMENT SAMPLING ................................................................................. 3 <br /> 1. Sediment Sampling Procedures ........................................................................ 3 <br /> 2. Chemical Analyses ............................................................................................ 4 <br /> 3. Physical Analyses ............................................................................................. 5 <br />B. WATER QUALITY MONITORING ........................................................................... 5 <br /> 1. Suspended Solids and Phosphorus Monitoring ................................................ 5 <br /> 2. Suspended Solids and Phosphorus Loading ........................... . .......................... 6 <br /> 3. Fecal Coliform and Fecal Streptococci Monitoring .......................................... 7 <br />C. COMPARISON OF 1970 AND 1996 DNR LAKE SURVEYS .................................. 8 <br /> <br />III. <br /> <br />SEDIMENTATION AND WATER QUALITY ANALYSES .................................... 11 <br /> <br />A. SEDIMENTATION RATES ...................................................................................... 11 <br /> 1. Volumetric Comparison of 1970 and 1996 DNR Lake Surveys .................... 11 <br /> 2. Sediment Loading Analysis ............................................................................ 12 <br />B. WATER QUALITY ASSESSMENT ......................................................................... 14 <br /> 1. Suspended Solids and Phosphorus .................................................................. 14 <br /> 2. Fecal Coliform and Fecal Streptococci ........................................................... 15 <br /> <br />IV. CONCLUSIONS ............................................................................................................. 17 <br /> <br />V. RECOMMENDATIONS ................................................................................................ 18 <br /> <br />TABLES <br /> <br />1 <br />2 <br />3 <br /> <br />Water Quality Data <br />Storm Event Monitoring Data <br />Fecal Coliform and Fecal Streptococci Data <br /> <br />N:\0598\01YELKRIVER.RPT-rlb i <br /> <br /> <br />