5.4 Monitoring and Data Collection
Hydrologic Data Program
To monitor progress toward meeting water quality and quantity goals, routine monitoring of the bays and lakes and streams will be implemented in accordance with the annual Hydrologic Data Program. Emphasis will be placed on obtaining data sufficient to identify long-term trends, assess designated use impairment, identify opportunities to design or assess the performance of capital improvement projects, and provide calibration data for the Hydrologic, Hydraulic, and Pollutant Loading model. Of particular importance is the development of a whole-lake model to better predict future water quality and lake response in the bays of Lake Minnetonka.
Lake aquatic plant monitoring provides information needed to manage aquatic plants, evaluate control measures, and plan for future actions. This monitoring is especially useful as water quality management activities are implemented and plant communities change in response to changing water quality. Baseline aquatic vegetation surveys and shoreline surveys should be conducted first on Jennings, Halsteds, and Stubbs Bays as part of planning for internal loading management projects. Aquatic vegetation management plans will be prepared to help evaluate the role of macrophytes in water quality. The survey should be updated by staff/contractor five years after an improvement project at an estimated cost of $6,000 each. Interim monitoring could be conducted by trained volunteers. Other surveys will be completed as opportunities or issues arise.
Wetlands with exceptional value vegetation are present in the subwatershed. Because of the importance to overall subwatershed ecological integrity of preserving these values, these wetlands will be regularly monitored for invasive species by staff or trained volunteers.