1. 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

2. OUTLINE The Old Lyme Story Planning Overview Key Observations 2

3. THE OLD LYME STORY 3

4. PLANNING OVERVIEW 4

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 5

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 6

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

8. Year-Round Disposal/Reuse Needs 8

9. Year-Round Disposal/Reuse Solutions 9

10. 10

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

12. Local Alternative Summary 12

13. Regional Alternative – Collection 13

14. Regional Alternative Summary 14

15. Comparison of Alternatives 15

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

17. KEY OBSERVATIONS 17

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 18

19. Collection System Options Impact Treatment and Disposal Alternatives 19

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

21. The Importance of a Reuse Partner… 21

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 22

23. QUESTIONS? 23