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Managing Water Levels in the Yahara Lakes Operational Challenges - PowerPoint PPT Presentation

Managing Water Levels in the Yahara Lakes Operational Challenges Through the Seasons Dane County Land and Water Resources Department Overview Water Level Management in Practice Management Challenges Watershed Awareness The state of


  1. Managing Water Levels in the Yahara Lakes Operational Challenges Through the Seasons Dane County Land and Water Resources Department

  2. Overview • Water Level Management in Practice • Management Challenges

  3. Watershed Awareness The state of the watershed is a critical factor in rainfall-lake level response

  4. Monitoring Weather Forecasts

  5. Aquatic Plant Scouting & Harvesting

  6. Control Structure Operation

  7. Limitations & Challenges • Flow and water level are driven by weather • Adjustments made at controls are limited • The river system has natural and constructed flow restrictions • Urbanization in the Watershed

  8. Uncertainty… …In weather forecasting

  9. Characteristics and Constraints of the Yahara River System

  10. Lake Mendota – Lock and Dam at Tenney Park

  11. Lake Mendota Lake Monona

  12. Lake Monona Upper Mud Lake Lake Waubesa

  13. Lake Monona Outlet

  14. Upper Mud Lake Rail Bridge

  15. Lake Monona/ Mud Lake – Railroad Trestle

  16. Lake Waubesa – Dam at Babcock County Park

  17. Lake Waubesa – Dam at Babcock County Park

  18. Control Structure Limitations

  19. Lake Waubesa Slope between lakes = 0.007% Lower Mud Lake Lake Kegonsa

  20. Lake Kegonsa – Dam at LaFollette County Park

  21. Lake Kegonsa

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