1. Wastewater Treatment Plant Background Slide #1 5/27/2004 CITY OF GALT public works Wastewater Background May 2004

2. Wastewater Treatment Plant Background Slide #2 5/27/2004 CITY OF GALT public works Outline 1983 WWTP 1991 WWTP 1995-1999 History 2000-2003 History 2003-2004 History Unmet Needs for 1991 WWTP Upgrades to 1991 WWTP

3. Wastewater Treatment Plant Background Slide #3 5/27/2004 CITY OF GALT public works 1983 WWTP Secondary Treatment –Comminutor (Grinder) –Aeration Basin –Oxidation Ponds –Chlorine Injection Treatment Capacity of 0.83 MGD Adequate Disposal Capacity of 0.83 MGD in Summer Winter Season Discharge to Laguna Creek

4. Wastewater Treatment Plant Background Slide #4 5/27/2004 CITY OF GALT public works 1991 WWTP Secondary Treatment –Headworks –Oxidation Ditches –Secondary Clarifiers –Chlorine Contact Chamber –Return Sludge and Waste Sludge (Lagoon) Treatment Capacity 3.0 MGD Winter Season Discharge to Laguna Creek Inadequate Land Disposal Capacity for 3.0 MGD Bond for $9.77M

5. Wastewater Treatment Plant Background Slide #5 5/27/2004 CITY OF GALT public works 1995-1999 History 1996 – Land Capacity Reached 7/97 – City Receives New NPDES Permit (No Major Changes Compared to 1991 NPDES Permit) 1998 – 30 acres of Sludge Injection Field Converted to Irrigation and Brought On-Line 7/99 – Inspection by Regional Board; No Violations

6. Wastewater Treatment Plant Background Slide #6 5/27/2004 CITY OF GALT public works 2000-2003 History 7/00 – Started New Master Plan for Existing WWTP 7/00 – City Received NOV from Regional Board –Cited Lack of Disposal Capacity –All Other Violations Resolved 6/01 – City Received NOV from Regional Board –Cited Lack of Disposal Capacity –All Other Violations Resolved 7/01 – Direction by Council to Acquire Additional Land 7/01 – Began Evaluation of Parcels for Acquisition

7. Wastewater Treatment Plant Background Slide #7 5/27/2004 CITY OF GALT public works 2000-2003 History (con’t) 11/01 – Submitted Report of Waste Discharge for New NPDES Permit 2/02 – Presented Offers to Roman Catholic Bishop and Twin Cities Business Park 4/02 – Offers Rejected 6/02 – Began Condemnation of RCB Property 9/02 – Judge Dismisses Condemnation 1/03 – City Receives Building Moratorium 3/03 – Council Decides Against Condemnation and Leases RCB Property 3/03 – Regional Board Rescinds Building Moratorium Upon Signed Lease

8. Wastewater Treatment Plant Background Slide #8 5/27/2004 CITY OF GALT public works 2003-2004 History 1/03 and 12/03 – City Receives First Tentative NPDES Permit and Second Tentative NPDES Permit 1/04 – Regional Board Adopts NPDES Permit (Major Changes Compared to 1997 NPDES Permit) 3/04 – City Appeals Many Provisions of New Permit 4/04 – Stay Denied: New NPDES Permit Takes Effect 4/04 – New NPDES Permit Limits Storage Capacity of Reservoir (Summer Capacity Reduced by 2 Years) 5/04 – City Begins Evaluation of Land for Additional Disposal Capacity

9. Wastewater Treatment Plant Background Slide #9 5/27/2004 CITY OF GALT public works Unmet Needs for 1991 WWTP No Grit Removal Inadequate Land Disposal Capacity Existing Control Building Not Connected to New Plant Clay-lined Auxiliary Basin Serving as Bypass

10. Wastewater Treatment Plant Background Slide #10 5/27/2004 CITY OF GALT public works Upgrades to 1991 WWTP Additional 210 Acres Added Control Building “Plumbed” Into New Plant Lift Station Constructed (for Control Building and Return from Auxiliary Basin) Pipe from Headworks “Stubbed Out” for Connection to Auxiliary Basin Lining of Auxiliary Basin Planned for FY2005

11. Wastewater Treatment Plant Background Slide #11 5/27/2004 CITY OF GALT public works Summary Secondary Treatment Plant 3.0 MGD Still Owe on Construction Bond Onerous NPDES Permit Requiring Advance Treatment Pending Appeal Shortage of Land for Dry Season Disposal Lease for 180 Acres until 2008 (extend 2010)