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=18 <br /> Table of Contents <br /> ExecutiveSummary......................................................................................................................................i <br /> Background and Supporting Information................................................................................................i <br /> Key Findings from Information Gathering, Monitoring, and Modeling Studies....................................ii <br /> Recommendations for a Comprehensive Approach to Nutrient Management Proposed by the <br /> UNRBA..................................................................................................................................................... iv <br /> Nutrient Reduction Opportunities.........................................................................................................vii <br /> Proposed Legislative Changes..............................................................................................................vii <br /> Status of the UNRBA Recommendations............................................................................................ viii <br /> Background and Supporting Information...................................................................................................1 <br /> History of the Reservoir and Characteristics of Falls Lake and its Watershed....................................1 <br /> Regulatory and Statutory Requirements for Falls Lake,the UNRBA Response, and the Limitations <br /> of the Current Management Approach...................................................................................................3 <br /> Statutory Requirements and the Rules..............................................................................................3 <br /> Reexamination of the Rules Under the Adaptive Management Provision-..........................................7 <br /> Key Findings from the Monitoring and Modeling Studies.....................................................................8 <br /> UNRBAMonitoring Program................................................................................................................8 <br /> UNRBA Watershed Modeling............................................................................................................ 12 <br /> Lake Water Quality Modeling........................................................................................................... 18 <br /> Pump-and-Treat Scenario.....................................................................................................................22 <br /> SystemDescription...........................................................................................................................22 <br /> Reductions Required to Meet the Chlorophyll-a Standard Ninety Percent of the Time ...............22 <br /> Implementation.................................................................................................................................23 <br /> Feasibility...........................................................................................................................................23 <br /> Implications for a Revised Nutrient Management Strategy...........................................................24 <br /> Economic Considerations.....................................................................................................................24 <br /> StakeholderInvolvement......................................................................................................................24 <br /> Stage I Existing Development Interim Alternative Implementation Approach ..................................25 <br /> Development of the UNRBA Recommendations for a Revised Management Strategy....................27 <br /> Recommendations for a Comprehensive Approach to Nutrient Management.....................................28 <br /> Establishment of a Fair and Equitable Program.................................................................................29 <br /> Consideration of Environmental and Social Justice Issues................................................................30 <br /> Measuring Compliance Under an Investment-Based,Joint Compliance Approach..........................30 <br /> Site-Specific Chlorophyll-a Standard and 303(d) Listing Considerations..........................................31 <br /> ix <br />