Town of Lunenburg Sewer Commission

1. Town of LunenburgSewer Commission Comprehensive Wastewater Management Plan Project Meeting January 31, 2007 Kevin Olson, P.E.Abigail Charest, P.E.Jason Jancaitis, P.E.

2. Agenda • Introduction • DEP Revisions to Sewer Permitting • Phase II – Alternatives Analysis • Draft Phase I – Review Steps • Draft Phase I – Report Review • Questions and Answers

3. Introduction • Public Participation • Webpage • Public Meeting • Water Supply Analysis/Stantec Report • Water Balance – Entire Town • Schedule • SRF Status

4. DEP Revisions to Sewer Permitting • Old Requirements: • DEP Permit required for any Sewer Extension • DEP Permit required for most Sewer Connections • Detailed DEP review • Lengthy review/approval timeline

5. DEP Revisions to Sewer Permitting • New Requirements: Sewer Connections • <15,000 gpd – Local Level Approval • 15,000-50,000 gpd – Self Compliance Certification • >50,000 gpd – Sewer Connection Permit Sewer Extensions • <1,000 feet - Self Compliance Certification • >1,000 feet – Sewer Extension Permit • Reduced Approval Timeline • Town Involvement for Compliance Certification • Engineer to “Certify” Compliance • DEP Considering Workshops

6. Phase II Alternatives Analysis • Schedule • Submit Technical Memos • Potential Wastewater Management Alternatives • Screening of Potential Alternatives • Alternatives to be reviewed in Phase III and potential site selection • Phase II Report • Proposed Alternatives • Collection • Treatment • Effluent Disposal • Review Criteria (see letter) • Technical • Environmental • Institutional • Economics/Cost

7. Draft Phase I - Review Steps • Town Boards Submit comments to Sewer Commission • Work with Boards to Answer Questions and Gain Consensus • Sewer Commission to Compile Comments • Sewer Commission – Draft a Final Comment Letter which includes proposed edits to Draft Report • Wright-Pierce - Response to Comments and submittal of Water Supply Assessment and Water Balance • Sewer Commission Meeting to “Finalize” Draft Phase I Report • Issue “Final” Draft Phase I Report to Town and DEP • Public Meeting Establish Schedule

8. Draft Phase IReport Review • Tier 1 • Title 5 Ranking Layer • Conditional Passes/Variances • Conventional Systems • I/A systems to be review in Phase II • MGL Chapter 83 • BOH Regulations • Community Character • Frequent Pumpings • Tight Tanks • Planning Projections • Developable land • Flow Projections & I/I

9. Questions and Answers

10. Wastewater Management System Alternatives • Regional Solutions • Centralized Treatment • Decentralized Treatment • Community Systems • I/A Systems • Septage Management Plans

11. MGL Chapter 83 • BOH –Title 5 • May allow property owner to stay with onsite treatment and not require offsite solution • Property owner can connect, if desired • Add rooms • Increased water use • Legislative Change • Allows the Town to deny sewer connection requests • Allows the design of offsite solutions based on need

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