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Lake Owasso Use Attainability Analysis
Overview
This report describes the results of the Use Attainability Analysis (UAA) for Lake Owasso on the border of Roseville and Shoreview, Minnesota. This study provides the scientific foundation for a lake specific management plan that assesses the water body’s physical, chemical, and biological condition and provides recommendations that would help improve the water quality of Lake Owasso. This study includes both a water quality assessment and prescription of protective and/or remedial measures for Lake Owasso and the tributary watershed. The conclusions and recommendations are based on the compilation of intensive lake water quality monitoring data for the summers of 2007 and 2008. This data was coupled with computer models, which were calibrated to the 2007 and 2008 datasets, to simulate the impact of the various phosphorus sources on the water quality in Lake Owasso.
Annual Water & Phosphorus Budgets
A key result of these analyses and computations was the development of annual water and phosphorus budgets for Lake Owasso, identifying the relative percent contribution of each of the various sources to the annual water and phosphorus loads. In addition, best management practices (BMPs) were evaluated to compare their relative effect on the total phosphorus concentrations and Secchi disc transparencies (i.e., water clarity) in Lake Owasso. Management options were then assessed to determine attainment or non-attainment for the lake’s water quality goals and recreational uses.
Report Divided Into Sections
Additional Information
This report describes the results of the Use Attainability Analysis (UAA) for Lake Owasso on the border of Roseville and Shoreview, Minnesota. This study provides the scientific foundation for a lake specific management plan that assesses the water body’s physical, chemical, and biological condition and provides recommendations that would help improve the water quality of Lake Owasso. This study includes both a water quality assessment and prescription of protective and/or remedial measures for Lake Owasso and the tributary watershed. The conclusions and recommendations are based on the compilation of intensive lake water quality monitoring data for the summers of 2007 and 2008. This data was coupled with computer models, which were calibrated to the 2007 and 2008 datasets, to simulate the impact of the various phosphorus sources on the water quality in Lake Owasso.
Annual Water & Phosphorus Budgets
A key result of these analyses and computations was the development of annual water and phosphorus budgets for Lake Owasso, identifying the relative percent contribution of each of the various sources to the annual water and phosphorus loads. In addition, best management practices (BMPs) were evaluated to compare their relative effect on the total phosphorus concentrations and Secchi disc transparencies (i.e., water clarity) in Lake Owasso. Management options were then assessed to determine attainment or non-attainment for the lake’s water quality goals and recreational uses.
Report Divided Into Sections
- Executive Summary (PDF)
- Section 1 - Introduction (PDF)
- Section 2 - General Concepts (PDF)
- Section 3 - Basin and Watershed Characteristics (PDF)
- Section 4 - Methods (PDF)
- Section 5 - Results (PDF)
- Section 6 - Discussion (PDF)
- Section 7 - Conclusions (PDF)
- Section 8 - Recommendations (PDF)
- References (PDF)
- Appendices (PDF)
Additional Information