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Timothy F. Moore Risk Sciences
Lake Elsinore and Canyon Lake TMDL Task Force (2004 – 2015)
Whats Next? Lake Elsinore and Canyon Lake TMDL Task Force (2004 - - PowerPoint PPT Presentation
Whats Next? Lake Elsinore and Canyon Lake TMDL Task Force (2004 - - PowerPoint PPT Presentation
Timothy F. Moore Risk Sciences Whats Next? Lake Elsinore and Canyon Lake TMDL Task Force (2004 2015) Total Phosphorus - Canyon Lake 800 700 Soluable Reactive Phosphorus (ug/L) 600 500 400 7 8 9 300 10 200 100 0 The First
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100 200 300 400 500 600 700 800 Soluable Reactive Phosphorus (ug/L)
Total Phosphorus - Canyon Lake
7 8 9 10
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The First Turning Point
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Wide Variability in Phosphorus Loading
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Phosphorus Neutralizes VERY Slowly
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Lake Elsinore: Oct. 1, 1997
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1) Mystic Lake Subsidence 7) BMP Implementation 2) Asymmetric Loading 8) Changing Land Uses 3) Long Decay Cycle 9) Natural Loading 4) Role of Zooplankton 10) Limited Dairy Runoff 5) Salinity Constraints 11) Measuring Compliance 6) Variable Lake Levels 12) Status of Recycled H2O
Must Update the TMDL to Account for:
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Competing & Conflicting Mandates
1) Stable Lake Levels 2) Stream Habitat 3) Downstream Water Rights 4) Flood Control Protection
On-site Retention & Urban Runoff Diversion vs… In-Lake Treatment Strategies vs…
1) EPA Regulations 2) CEQA 3) Recreational Inconvenience 4) TMDL Compliance Metrics
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The Second Turning Point