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Lincoln Wastewater System
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Lincoln Wastewater System Master Plans
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2003 Lincoln Wastewater Facilities Plan Update
2003 Lincoln Wastewater Facilities Plan Update
April 2003
Download Complete Report
(10.2 M PDF)
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Cover and Table of Contents
(183 K)
Chapter 1 - Executive Summary
(739 K)
Background
Planning Goals and Objectives
Study Area Boundaries
Population Projections
Wastewater Collection
Collection System Needs
Wastewater Treatment
Wastewater Flows
Existing Treatment Facilities
Treatment Requirements
Existing Treatment Capacities
Preferred Treatment Alternatives
Improvement Costs
Chapter 2 - Introduction
(23 K)
Background
Factors Affecting the Facilities Planning Study
Regulatory Changes
Population Increase
Aging Facilities
Planning Goals and Objectives
Chapter 3 - Planning Area Characteristics
(1.64 M)
Study Area Boundaries
Physical Characteristics
100-Year Flood Plain Areas
Planning Agencies
Existing Land Usage
Population Growth
Historical Populations
Population Projections
Collection System Land-Use Plan
Chapter 4 - Evaluation of Existing Wastewater Facilities
(763 K)
Description of Existing Collection System
Salt Creek
West "O" Street
Beals Slough
Haines Branch
Middle Creek
Antelope Creek
East Campus
Oak Creek
Little Salt Creek
Lynn Creek
Deadmans Run
Havelock
Regent Heights
Collection System Needs
Description of Existing Wastewater Treatment Facilities
Theresa Street Wastewater Treatment Facility
Northeast Wastewater Treatment Facility
Existing Treatment Capacity Analysis
Factors Affecting Treatment Capacity
Capacity Estimate Methodologies
Theresa Street WWTF Capacity Estimate
Northeast WWTF Capacity Estimate
Improving Capacity Estimates
Hydraulic Capacity Analysis
Hydraulic Profile Modeling
Theresa Street WWTF
Northeast WWTF
Lincoln Wastewater Residuals Management
Screenings and Grit
Primary and Secondary Sludges
Theresa Street WWTF Digested Sludge Handling and Disposal
Northeast WWTF Digested Sludge Handling and Disposal
Identification of Needs
Theresa Street WWTF
Northeast WWTF
Treatment Facility Capacity Summary
Chapter 5 - Wastewater Flow and Load Projections
(303 K)
Terminology
Average Daily Flow (ADF)
Maximum Monthly Flow (MMF)
Peak Daily Flow (PDF)
Peak Hourly Flow (PHF)
Infiltration and Inflow (I/I)
Peak Wet Weather Flow (PWWF)
Existing/Historical Flows
Wet Weather Flows
Historical Wastewater Composition
Theresa Street WWTF Influent Wastewater Composition
Northeast WWTF Influent Wastewater Composition
Projected Waste Flows and Loads
Projected Flow Rates
Projected Peak Wet Weather Flows
Projected Wastewater Loadings
Projected Wastewater Solids Production Rates
Summary
Chapter 6 - Regulatory Requirements
(71 K)
Current Water Quality Standards
State Stream Use Classifications
Salt Creek Classification
Nebraska Discharge Permitting System
Current Theresa Street WWTF NPDES Permit
Current Northeast WWTF NPDES Permit
Potential Future NPDES Permits
Potential Ammonia Effluent Limits
Current Wastewater Residuals Disposal Regulations
Screenings and Grit
Primary and Secondary Sludges
Reporting Requirements
Clean Water Act
RCRA Hazardous Waste Regulations, 40 CFR Part 261
Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
Evolving Regulations and Standards
Clean Water Act Reauthorization
Clean Water Action Plan
National Criteria Revisions - Water Quality Criteria and Standards Plan
TMDL Regulation
Nutrient Criteria
Bacteria Standards
Whole Effluent Toxicity
Sanitary Sewer Overflows (SSO)
Sediment Criteria
Stormwater Discharge Regulation
Clean Air Act Amendments (CAAA)
Chapter 7 - Basis of Project Development
(29 K)
2002 Lincoln-Lancaster County Comprehensive Planning
Design Period and Project Staging
Economic Evaluation
Present Worth Analysis
Assigning Costs
Capital Costs
Collection System
Treatment Facilities
Site Work
Foundations
Yard Piping
Electrical and Instrumentation
Treatment Facilities
Land
Collection Facilities
Chapter 8 - Development and Evaluation of Alternatives
(871 K)
Anticipated Collection System Needs
Salt Creek
West "O" Street
Beals Slough
Haines Branch
Middle Creek
Antelope Creek
East Campus
Oak Creek
Little Salt Creek
Lynn Creek
Deadmans Run
Havelock
West Stevens Creek
Summary of Collection System Needs
Theresa Street WWTF
Description of Alternatives
Common Alternative Components
Key Treatment Issues
Theresa Street Alternative 1 - Pretreatment of Cook Foods Wastewater
Theresa Street Alternative 2 - Treat Side-Streams from Solids Processing
Theresa Street Alternative 3 - Pretreat Cook Foods and Ammonia Side-Stream Treatment
Theresa Street Alternative 4 - Expand Activated Sludge System
Summary of Theresa Street WWTF Alternatives
Theresa Street WWTF Basic Improvements
Northeast WWTF
Northeast WWTF Basic Improvements
Chapter 9 - Preferred Wastewater Management System
(715 K)
Preferred System Description
Collection System Improvements
Theresa Street WWTF Improvements
Northeast WWTF Improvements
Wet Weather Flows
General Considerations
Preferred Treatment System Costs
Implementation of Preferred System
Collection System
Theresa Street WWTF
Northeast WWTF
Anticipated Capital Expenditures
Glossary
(14 K)
Tables
1-1 City/County Population Projections
1-2 Wastewater Flow Projections
1-3 Anticipated Effluent Ammonia Limits
1-4 Capacity Summary - Lincoln Wastewater Treatment Facilities
1-5 Tier I Improvement Costs
3-1 Historical City/County Population Growth
3-2 City/County Population Projections
4-1 Primary Factors Affecting Treatment Capacity of an Activated Sludge System
4-2 Anticipated Effluent Ammonia Limits
4-3 Summary of Historical Peak Flow Factors
4-4 Nitrification Capacity Summary - Existing Theresa Street WWTF
4-5 Nitrification Capacity Summary - Existing Northeast WWTF
4-6 Theresa Street WWTF Anaerobic Digester Size and Loading Summary
4-7 Theresa Street Sludge Dewatering Facility Summary
4-8 Theresa Street Biosolids Pollutant Concentration Data
4-9 Northeast WWTF Anaerobic Digester Capacity Summary
4-10 Northeast WWTF Land Application Facilities
4-11 Northeast Biosolids Pollutant Concentration Data
4-12 Nitrification Capacity Summary – Existing Lincoln Wastewater Treatment Facilities
5-1 Historical Wastewater Flows
5-2 Design Dry Weather Flow Values
5-3 1995-2001 Theresa Street WWTF Influent Characteristics
5-4 1995-2001 Northeast WWTF Influent Characteristics
5-5 Wastewater Flow Projections
5-6 Peak Wet Weather Flow Components
5-7 Peak Wet Weather Design Flows
5-8 WWTF Loading Rate Projections
5-9 Projected Solids Production Rates
5-10 Summary of Projected Flows and Loads
6-1 NPDES Permit Limitations - Theresa Street WWTF
6-2 NPDES Permit Monitoring Requirements - Theresa Street WWTF
6-3 NPDES Permit Limitations - Northeast WWTF
6-4 NPDES Permit Monitoring Requirements - Northeast WWTF
6-5 Anticipated Effluent Ammonia Limits
6-6 Summary of 503 Regulations Applicable to Land Application of Biosolids
6-7 Summary of Class A Biosolids Criteria
6-8 Summary of Class B Biosolids Criteria
6-9 US EPA Proposed Nutrient Criteria for Ecoregion VI
7-1 Construction Cost Estimation
8-1 Summary of Recommendations For Existing Collection System
8-2 Lincoln Future Wastewater Collection System Served Acreages (25 year - Tier I)
8-3 Lincoln Future Wastewater Collection System Service Acreages (50 year - Tier II)
8-4 Treatment Capacity Scenarios to Meet Year 2025 and Projected Wastewater Flows at the Theresa Street WWTF
8-5 Theresa Street Alternative 1 - Year 2025 Required Improvements
8-6 Theresa Street Alternative 2 - Year 2025 Required Improvements
8-7 Theresa Street Alternative 3 - Year 2025 Required Improvements
8-8 Theresa Street Alternative 4 - Year 2025 Required Improvements
8-9 Alternative Capital Cost Summary
8-10 Northeast WWTF Phase I Expansion Cost
9-1 Summary of Recommended Trunk Sewer Improvements to Serve Tier I Needs (A & B Priority)
9-2 Summary of Recommended Collection System Improvements to Serve Tier II Needs
9-3 Theresa Street WWTF Estimated Capital Improvement Costs
9-4 Northeast WWTF Estimated Capital Improvement Costs
9-5 Tier I Improvement Costs
Figures
1-1 Existing Wastewater Collection System
1-2 Recommended Tier I Wastewater Collection System Improvements
1-3 Proposed Site Layout For Theresa Street WWTF
1-4 Proposed Site Layout For Northeast WWTF
1-5 Capital Improvement Costs Through the Tier I Planning Period
3-1 Study Area
3-2 Drainage Basins
3-3 Tier I Priority A and B Needs
3-4 Historical and Projected Populations for the City of Lincoln and Lancaster County
3-5 Projected Service Area
4-1 Existing Lincoln Wastewater Collection System
4-2 Facility Location Map
4-3 Theresa Street WWTF Process Schematic
4-4 Theresa Street WWTF Solids Handling Schematic
4-5 Northeast WWTF Process Schematic
4-6 Northeast WWTF Solids Handling Schematic
4-7 Effect of Aerobic SRT on Effluent Ammonia
4-8 Monthly Average Influent Wastewater Temperatures Theresa Street WWTF
4-9 Daily and 30-day Average Primary Effluent COD Theresa Street WWTF
4-10 Theresa Street WWTF Monthly Average Flows
4-11 Northeast WWTF Monthly Average Flows
4-12 West Side Capacity vs. MLSS Concentration
4-13 East Side Capacity vs. MLSS Concentration
5-1 Average Annual Wastewater Flow
5-2 Monthly Average Influent BOD & COD Concentrations Theresa Street WWTF
5-3 Historical BOD5 Monthly Average Loading Theresa Street WWTF
5-4 Historical TSS Monthly Average Loading Theresa Street WWTF
5-5 Historical Monthly Average Influent BOD & COD Concentrations Northeast WWTF
5-6 Historical Monthly Average Influent TSS Concentrations Northeast WWTF
5-7 Historical Monthly Average BOD5 Loading Northeast WWTF
5-8 Monthly Average TSS Loadings Northeast WWTF
5-9 Average Annual Flow and Flow per Capita
5-10 Projected Annual Average Wastewater Flows
5-11 Average Yearly BOD5 Loading per Capita Theresa Street WWTF
5-12 Average Yearly TSS Loading per Capita Theresa Street WWTF
5-13 Digester Feed Sludge Projections (2000-2050) Theresa Street WWTF
8-1 Tier I Development
8-2 Tier II Development
8-3 Alternative 1 - Conceptual Site Plan
8-4 Alternative 2 - Conceptual Site Plan
8-5 Alternative 3 - Conceptual Site Plan
8-6 Alternative 4 - Conceptual Site Plan
8-7 Northeast WWTF Conceptual Site Plan
9-1 Recommended Tier I Collection System Improvements
9-2 Recommended Conceptual Theresa Street Site Plan
9-3 Recommended Conceptual Northeast Site Plan
9-4 Theresa Street WWTF Conceptual Site Plan - Future
9-5 Northeast WWTF Conceptual Site Plan - Future
9-6 Lincoln Capital Improvement Schedule
9-7 Lincoln WW Collection System Projected Capital Expenditures
9-8 Theresa Street WWTF Projected Capital Expenditures
9-9 Northeast WWTF Projected Capital Expenditures
9-10 Total Lincoln Wastewater Projected Capital Expenditures
Appendices
Appendix A - Theresa Street NPDES Permit
(2.05 M)
Appendix B - Summary of Theresa Street Treatment System Process Information
(103 K)
Appendix C - Northeast NPDES Permit
(414 K)
Appendix D - Summary of Northeast Treatment System Process Information
(717 K)
Appendix E - Hydraulic Modeling Information
(1.72 M)
Appendix F - Alternative Cost Information for Theresa Street WWTF
(50 K)
Appendix G - Cost Information for Northeast WWTF
(37 K)
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