PUBLIC SCOPING MEETING Draft Environmental Impact Report for the SEWER AUTHORITY MID-COASTSIDE (SAM) WET WEATHER FLOW MANAGEMENT PROJECT August 28, 2007

2 Overview SAM Background Wet Weather Flow Management Project - Overview and Project Details CEQA Process Summary of Analysis Next Steps

3 SAM Background Sewer Authority Mid-Coastside (SAM) Serving a Population of ~25,000 SAM’s Regional System Includes: – 3 Main Pumping Stations – 8-mile Wastewater Conveyance Line along Highway 1 – Wastewater treatment plant (WWTP) in Half Moon Bay – Ocean Outfall

4 SAM Background (Cont’d) 174 Sanitary Sewer Overflows Reported from 2000 to 2004 USEPA Report to SAM; Increase Capacity SAM’s 2006 response to EPA report  Proposed Wet Weather Flow Management Project

5 Project Purpose and Objectives Prevent Untreated Sewage Overflows Contain Infiltration and Inflow during Storm Events Help Maintain Clean Beaches Efficiently Manage Wet Weather Flow through System Conveyance &/or Storage Improvements

6 Proposed Project PROJECT: Wet Weather Flow Management Project LEAD AGENCY: Sewer Authority Mid-Coastside (SAM) LOCATION: Half Moon Bay, California

7 Wet Weather Flow Management Project Components Two Options Being Considered 1. One underground 600,000-gallon tank 2. Approximately 8,850-foot underground pipeline Both options include improvements at the existing Portola Pump Station in El Granada

Project Area

Storage Tank Site at Portola Pump Station

10 Coronado and Highway 1, Facing South Facing South on Highway 1 Junction Box 2

11 Prepare an Environmental Impact Report (EIR) CEQA - California Environmental Quality Act Disclose Environmental Impacts Reduce/Minimize Environmental Impacts Disclose Agency Decision Making Foster Inter-Agency Coordination Include Public Participation

12 Notice of Preparation August 15 – October 19, 2007 Comments Draft EIR May 2008 Final EIR Comments Board Certification CEQA Process

13 Topics To Be Addressed in the EIR Hydrology/Water Quality Geology/Soils Biological Resources Cultural Resources Land Use/Recreation Agricultural Resources Establish Measures to Mitigate Impacts Air Quality Noise Traffic Hazardous Materials Visual Resources Public Services/Utilities

14 Potential Project Impacts Construction-Related: – Noise, Dust, Traffic, Erosion – Best Management Practices (BMPs) will be Implemented to Minimize Impacts Operation and Maintenance: – Minimal Number of Staff – Limited Impact to Traffic and Public Services

15 Other Topics Required by CEQA Cumulative Analysis Growth-Inducing Effects Alternatives – No Project – Alternatives to the Project

16 CEQA – Next Steps NOP Review Period – In progress – Submit written comments to John F. Foley III at SAM by October 19, 2007 Preparation of the Draft EIR Publish Draft EIR: May 2008 Incorporate Public and Agency comments Prepare Final EIR EIR Certification Project Approval

17 Public Comments or Questions John F. Foley III, Manager Sewer Authority Mid-Coastside 1000 N. Cabrillo Highway Half Moon Bay, CA