1. Lunenburg CWMP Phase II – Management Techniques and Alternatives Identification and Screening Lunenburg Comprehensive Wastewater Management Plan Workshop – August 27, 2007

2. Lunenburg CWMP 2 Project Management/Public Involvement Phase I -Existing Conditions (filed May 2007) Phase II -Alternatives Identification and Screening Phase III - Detailed Evaluation of Alternatives and Recommended Plan Phase IV – Report CWMP Phases

3. Lunenburg CWMP 3 Phase I CWMP Summary Existing conditions Water demand/supply sources  Lunenburg Water District Water balance  3 local sub basins of the Nashua River Wastewater needs assessment  11 Areas of Further Study

4. Lunenburg CWMP 4 Project Management/Public Involvement Phase I -Existing Conditions Phase II -Alternatives Identification and Screening Phase III - Detailed Evaluation of Alternatives and Recommended Plan Phase IV - Report CWMP Phases

5. Lunenburg CWMP 5 Phase II - Alternatives Identification and Screening Proposed Alternatives  Collection  Treatment  Effluent Disposal Review Criteria  Technical  Environmental  Institutional  Economic

6. Lunenburg CWMP 6 Review wastewater management alternatives Identify and short list potential wastewater treatment and effluent disposal sites Provide short list of treatment, collection and effluent disposal alternatives Phase II CWMP

7. Lunenburg CWMP 7 Draft Phase II report Section 1 – Introduction Section 2 - WW Management Alternatives Reviewed as Tech Memo #1 Section 3 - Potential Treatment/Disposal Site Locations Reviewed as Tech Memo #2 Section 4 - Short Listed Alternatives Section 5 – Assessment of Management Techniques Section 6 - Public Participation

8. Lunenburg CWMP 8 Technical Memorandum #2 Potential wastewater treatment and effluent disposal sites  To be used if a decentralized treatment process is part of the recommended plan Townwide search identified 23 potential sites Performed preliminary hydrogeological evaluation  Soils, depth to bedrock, and effluent disposal rates Short listed 9 sites by sub basin  Based on 11 technical and environmental factors

9. Lunenburg CWMP 9 Questions and Comments

10. Lunenburg CWMP 10 Individual on-site systems (Title 5) Innovative/Alternative (I/A) on-site systems  Jet System  Presby  FAST Private satellite systems  Village at Flat Hills  Woodlands Village Sewer connections – regional/centralized  Leominster  Fitchburg How is Lunenburg Wastewater Disposed of Now?

11. Lunenburg CWMP 11 Individual On-Site Title 5 Septic tank/leach field I/A On-Site Systems Types of Wastewater Systems

12. Lunenburg CWMP 12 Types of Wastewater Systems Satellite -- Defined service area, GWD permit Village at Flat Hill

13. Lunenburg CWMP 13 Types of Wastewater Systems Satellite -- Defined service area, GWD permit Woodlands Village

14. Lunenburg CWMP 14 Centralized - Traditional municipal facility Types of Wastewater Systems Fitchburg East WWTF

15. Lunenburg CWMP 15 Centralized - Traditional municipal facility Types of Wastewater Systems Leominster WWTF

16. Lunenburg CWMP 16 Population Projections 2005 Actual: 9,554 2025 EOEA Projection 11,133 1,579 additional residents per EOEA projections Existing Planned Developments 956 planned units 3,555 existing units Basis for 2026 Projected Flows

17. Lunenburg CWMP 17 Centralized Systems  Publicly owned and operated Decentralized Systems  Individual on-site  Cluster  Satellite  Typically privately owned and operated Types of Wastewater Systems

18. Lunenburg CWMP 18 Off-site   Regional solutions   Centralized treatment   Satellite systems On-site   Cluster   Continued use of on-site systems –Title 5 –I/A Systems –Septage Management Plans Proposed Alternatives - Treatment