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

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

Feb 23, 2023 46 likes •430 views

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

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Managing Water Levels in the Yahara Lakes

Operational Challenges Through the Seasons

Dane County Land and Water Resources Department

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Overview

  • Water Level Management in Practice
  • Management Challenges
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Watershed Awareness

The state of the watershed is a critical factor in rainfall-lake level response

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Monitoring Weather Forecasts

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Aquatic Plant Scouting & Harvesting

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Control Structure Operation

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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
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Uncertainty… …In weather forecasting

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Characteristics and Constraints of the Yahara River System

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Lake Mendota – Lock and Dam at Tenney Park

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Lake Monona Lake Mendota

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Lake Monona Upper Mud Lake Lake Waubesa

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Lake Monona Outlet

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Upper Mud Lake Rail Bridge

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Lake Monona/ Mud Lake – Railroad Trestle

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Lake Waubesa – Dam at Babcock County Park

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Lake Waubesa – Dam at Babcock County Park

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Control Structure Limitations

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Lake Waubesa Lower Mud Lake Lake Kegonsa

Slope between lakes = 0.007%

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Lake Kegonsa – Dam at LaFollette County Park

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Lake Kegonsa

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