1. 1 CouncilUpdateJan702pet104i2-6069.ppt ELLIS CREEK WATER RECYCLING FACILITY, PETALUMA, CA North Bay Watershed Association December 7, 2007

2. dw1007cwea.ppt/2 Existing Wastewater Treatment Facility u Two treatment plants u 950 Hopper Street First built 1938 First built 1938 Preliminary, Primary, Secondary Preliminary, Primary, Secondary u 4400 Lakeville Highway Built 1972 Built 1972 Secondary, Disinfection Secondary, Disinfection u Capacity ADWF = 5.2 mgd Current flow = 4.5 mgd (86%) Current flow = 4.5 mgd (86%)

3. dw1007cwea.ppt/3 Hopper Street Ox. Ponds 36” Force Main Pet600xi1 3

4. dw1007cwea.ppt/4 Hopper Street WWTP Pet600xi1 Sedimentation Tank (1937) Trickling Filter (1937) Trickling Filter (1953)

5. dw1007cwea.ppt/5 Recycled Water u Treated water released to Petaluma River November – April u Recycle May – October u 2 golf courses, vineyard, 700 acres agricultural land u Recycle 700 mg/year (35% of influent)

6. dw1007cwea.ppt/6 Need for New Facility u Increase capacity to 6.7 mgd u Meet increasingly strict regulatory requirements u Improve reliability u Produce tertiary recycled water Irrigate areas dependent on potable water Irrigate areas dependent on potable water Locally controlled water supply Locally controlled water supply

7. dw1007cwea.ppt/7 Existing Lakeville Site

8. dw1007cwea.ppt/8 Pond 9 Pond 10 Pond 8 Cypress Entrance Salt Marsh Harvest Mouse, Mud Flats, Rail Habitat and Wetlands Exclusion Clapper Rail Habitat Rookery Tree Ellis Creek Riparian Corridor Farmhouse and Outbuildings Trees Between “Mouse Head” and “Mouse Body” Ponds-Potential for Nesting Raptors Non-Tidal Portion, Potential for CRLF Environmental Features

9. dw1007cwea.ppt/9 Farmhouse

10. dw1007cwea.ppt/10 Jurisdictional Wetlands

11. dw1007cwea.ppt/11 Design Flow Schematic

12. dw1007cwea.ppt/12 Wetlands Flow Schematic Note: Wetlands are treatment units, not waters of the state From Pond 7 Pond 10 TreatmentWetlands AGReuse RiverDischarge PolishingWetland Cell C PolishingWetland Cell B PolishingWetland Cell A Cl 2 De Pond 9 TreatmentWetlands ChlorineContact Cl 2 (during reuse periods)

13. dw1007cwea.ppt/13 Overall Site Plan

14. dw1007cwea.ppt/14 WRF Site Plan

15. dw1007cwea.ppt/15 Overall Landscape Plan

16. dw1007cwea.ppt/16 Site - Trails

17. dw1007cwea.ppt/17 Landscaping as Art

18. dw1007cwea.ppt/18 Wetland Cell D

19. dw1007cwea.ppt/19 Construction Costs Construction$110,329,000 Construction Management $10,230,000 Engineering Services $4,355,000 Environmental Services $1,435,000 Programming$2,341,000 Contingency$10,295,200 Total$138,986,000

20. dw1007cwea.ppt/20 Funding u Line of credit – jump start project u State Revolving Fund loan - $125 million (program was dormant for 2 years!) u State Coastal Conservancy - $2 million u Sonoma County Agricultural Preservation & Open Space District - $2 million

21. dw1007cwea.ppt/21 Utility Investment Program u January ’07 Council adopted 5-year investment program for water & wastewater utility u Rates are competitive with other Sonoma County communities

22. dw1007cwea.ppt/22 Outreach  Notices to all property owners & utility customers u Hotline for rate questions u 4 public meetings u Advertisement in local newspaper u Mailer to all customers

23. dw1007cwea.ppt/23

24. dw1007cwea.ppt/24 Construction Update u Contractor NTP October 2005 (Corps permit rec’d day before) u Start Up Scheduled September 2008 u Completion June 2009

25. dw1007cwea.ppt/25 Construction Team u Engineer – Carollo Engineers u Construction Manager – The Covello Group u Environmental – ESA u Programming – ArcSine Engineering u Contractor – Kiewit Pacific

26. dw1007cwea.ppt/26 Overall Site - October 2007

27. dw1007cwea.ppt/27 Operations, Lab, Maintenance and Administration Building u LEED Silver Rating u Daylighting u Sun Shading

28. dw1007cwea.ppt/28 Operations, Lab, Maintenance and Administration Building

29. dw1007cwea.ppt/29 Administration Building – Green Roof

30. dw1007cwea.ppt/30 Headworks-Oxidation Ditch- Secondary Clarifiers-Solids Handling

31. dw1007cwea.ppt/31 Oxidation Ditch

32. dw1007cwea.ppt/32 Secondary Clarifier

33. dw1007cwea.ppt/33 Tertiary Treatment / Administration

34. dw1007cwea.ppt/34 Tertiary Treatment / UV Disinfection

35. dw1007cwea.ppt/35 Recycled Water Reservoir

36. dw1007cwea.ppt/36 Architectural Features – Filter Support Building

37. dw1007cwea.ppt/37 Architectural Features – Main Electrical Building

38. dw1007cwea.ppt/38 Polishing Wetlands

39. dw1007cwea.ppt/39 Polishing Wetlands

40. dw1007cwea.ppt/40 Polishing Wetland Cell B

41. dw1007cwea.ppt/41 Ellis Creek Marsh / Wildlife Sanctuary

42. dw1007cwea.ppt/42 Shollenberger Trail

43. dw1007cwea.ppt/43 Questions