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TABLE OF CONTENT'S <br />PART 1• V�'ASTEWATER DISPOSAL ISSUES 1 <br />Section I Historic Perspective <br />- Laws <br />- Changes in Funding <br />Sectian II Santa Ana River <br />- National Pollutant Discharge Elimination System (NPDES} <br />Permit Requirements for the River <br />- Existing Wastewater Treatment Plants <br />Section III Colton NPDES Permit Na 92-17 and Cease and Desist Orders <br />No. 92-24 and 92-50 Requirements <br />Section IV Overview of Proposed Wastewater Prajects <br />Section V Final Alternatives for Secondary Treatme�t and Nitrogen Removal <br />Facili6es <br />Tables <br />Page <br />1 <br />1 <br />1 <br />1 <br />3 <br />3 <br />3 <br />5 <br />7 <br />0 <br />Table 1- Description and Total Costs of Alternatives for City of Colton Secondary <br />Treatment and Nitrogen Removat Facilities <br />Table 2- Cost Estimates for Secondary Treatment and Nitrogen Removal Facilities <br />Alternatives <br />Table 3- Froject Cost Comparison of Lemna Versus Conventional Nitrogen Removal <br />FaciliEies <br />Table 4- Annual Cost Comparison of Lemna Versus Conventional Nitrogen Removal <br />Facilities <br />Figures <br />Figure 1- Relationship of Wastewater Regulations, Agencies, Facilities, Fees, and Costs <br />Figure 2- Wastewater Flow Projections <br />Figure 3- Existing Secondary Treatment Facilities <br />Figure 4- Wastewater Flow Projections and Treatment Capacity <br />Figure 5- Secondary Treatment and Nitrogen Removal Facilities, Altemative l, Phase Z <br />Figure 6- Secondary Treatment and Nitrogen Removal Facilities, Alternative l, Phase 2 <br />Figure 7- Secondary Treatment and Nitrogen Removal Facilities, Alternative 2 <br />Figure 8- Secondary Treatment with Lemna Nitrogen Removal <br />Figure 9- Secondary Treatment with Conventional Nitrogen Removal <br />i <br />