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Welcome!

Welcome!. Photo by: Terrie Christian—President, AMLAC. Medicine Lake Excess Nutrients TMDL Project Steering Committee Meeting #5 May 14, 2009. Agenda. 4:00 – 4:05 Welcome and Introductions

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Welcome!

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  1. Welcome! Photo by: Terrie Christian—President, AMLAC Medicine Lake Excess Nutrients TMDL Project Steering Committee Meeting #5 May 14, 2009

  2. Agenda 4:00 – 4:05 Welcome and Introductions 4:05 – 4:25 Final Loading Capacity and Reductions update – Hans Holmberg, LimnoTech and Brian Vlach, TRPD 4:25 – 4:45 Finalize method for splitting up the WLA – Chris Zadak, MPCA and Brian Ross, CR Planning 4:45 – 5:25 Review/refine BMP decision criteria - Brian Ross, CR Planning 5:25 – 5:55 Potential Improvement options – Hans Holmberg, LimnoTech and Chris Zadak, MPCA • Existing BMPs in watershed (Hans) • BMPs in previous implementation plans (Hans) • Additional improvement options to consider (Chris) 5:55 – 6:00 June meeting agenda – determine BMP options 6:00 Adjourn

  3. Previous Decisions • General agreement on the grouping of the allocation decision criteria, with some caveats • Committee has a comfort level with the data and modeling, • Comfort level does not preclude need for additional information and reservations about the interpretation of data • Committee seeks a hybrid model for making allocations.

  4. Final Loading Capacity, Reductions Update

  5. Finalize method for splitting waste load allocation • Individual allocations for each MS4 • Categorical allocation, all MS4s together, administered by the Basset Creek Watershed Management Commission • Hybrid allocation, with road MS4s (MnDOT, Hennepin County) getting individual allocations, MS4 cities being categorical • Default allocation method is #1 (individual allocations) • Categorical allocation is dependent on involvement of BCWMC

  6. Draft Criteria for Decision-Making Best Management Practices should be prioritized by: • Cost effectiveness • Diversity of benefit • Opportunities for shared implementation • Greatest capacity for measurable results

  7. 1. Cost effectiveness Cost effectiveness includes: • initial cost, • operating or ongoing costs, and • minimal external costs, weighed against the BMP performance as measured by phosphorus load reduction. Are there other elements of cost effectiveness that need to be considered?

  8. 2. Diversity of benefit Other than cost benefits, benefits identified include: • habitat preservation and enhancement, • environmental benefits, • water volume control, and • sediment removal. Are there other benefits that should be considered?

  9. 3. Emphasize shared implementation Must shared implementation be watershed wide, or are there other kinds of shared implementation? What is a good example of shared implementation?

  10. 4. Greatest capacity for measurable results The idea emphasized ‘measurable’, which distinguishes BMPs for which removal efficiency rates can be monitored from the BMP versus those where monitoring is not possible. Should the ability to measure removal of phosphorus be given a high priority?

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