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CAWPCA Fall Meeting November 1, 2013

Sewers vs. Sewer Avoidance: The Old Lyme Story Bonnie Reemsnyder, First Selectwoman Town of Old Lyme Dave Prickett, PE, Vice President Woodard & Curran. CAWPCA Fall Meeting November 1, 2013. OUTLINE. The Old Lyme Story Planning Overview Key Observations. THE OLD LYME STORY.

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CAWPCA Fall Meeting November 1, 2013

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  1. Sewers vs. Sewer Avoidance:The Old Lyme StoryBonnie Reemsnyder, First SelectwomanTown of Old Lyme Dave Prickett, PE, Vice PresidentWoodard & Curran CAWPCA Fall MeetingNovember 1, 2013

  2. OUTLINE The Old Lyme Story Planning Overview Key Observations

  3. THE OLD LYME STORY

  4. Planning Overview

  5. Goals and Key Tasks • Project area as a whole • Evaluate needs • On-site soils/groundwater testing Develop and evaluate local and regional alternatives • Public participation program • Prepare recommended plan for WPCA

  6. Needs Analysis • Drivers include lot size, water service, soil and groundwater conditions, and natural resources • 90% of Project Area flows in 5 of the sub-areas comprising service area

  7. Local Alternative - Disposal and Reuse • Flows • Average • Max Day • Testing overview • Soils • Groundwater • Mounding analysis

  8. Year-Round Disposal/Reuse Needs

  9. Year-Round Disposal/Reuse Solutions

  10. Year-Round Disposal/Reuse Solutions

  11. Local Alternative - Treatment • Reuse requires higher level of treatment • 2-3 acre site

  12. Local Alternative Summary

  13. Regional Alternative – Collection

  14. Regional Alternative Summary

  15. Comparison of Alternatives

  16. Recommended Plan • Strong local support expressed by WPCA and Selectmen • Control & Flexibility

  17. KEY OBSERVATIONS

  18. Public Participation Program • Wastewater terminology • Sewer vs non-sewer • Local vs regional • Centralized vs decentralized • Wastewater composition • Project stakeholders • Town/WPCA • Beach communities • Downstream communities • CT-DEEP • Consultants

  19. Collection System Options Impact Treatment and Disposal Alternatives

  20. Presentation of Costs • Capital • O&M • Annualized • Present Worth • Unit Costs • Cost per EDU

  21. The Importance of a Reuse Partner…

  22. Implementation Strategies • With sewers comes sewer sprawl, right? • Similar risk for regional and local alternatives if not mitigated • Tools • Define sewer service area • Allocate wastewater capacity • Consider zoning restrictions • Develop sewer use regulations

  23. QUESTIONS?

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