opens in new tab or window
Skip to main content
Quick Links
UPLNK
LNKTV City
Facebook
X
Instagram
English
Select this as your preferred language
Select a language to translate to
English
Select this as your preferred language
City of Lincoln - Home - Logo
Open
Search
Menu
City Information
Sub-menu
City Council
Sub-menu
Council Members
Minutes & Agendas
Past Minutes & Agendas
Common Minutes & Agendas
Directors Minutes & Agendas
Frequently Asked Questions
Submit a Comment
Mayor's Office
Sub-menu
Mayoral Event and Proclamation Requests
City Communications
American Rescue Plan
State of the City 2023
Lincoln Wrapped 2023: Reflecting on Lincoln’s Greatest Hits
Departments
Sub-menu
Aging Partners
Building and Safety
City Attorney's Office
Finance
Lincoln Fire & Rescue
Human Resources Department
Health Department
Lincoln City Libraries
Parks and Recreation
Planning Department
Police
Transportation and Utilities
Urban Development
News
Boards & Commissions
Contact Us
Payments & Services
Sub-menu
Online Payments
GIS and Maps
Open Data
Transit & Parking
Sub-menu
Event Parking
Parking Cards
Parking Citations
Park & Go
StarTran Bus Service
Community & Activities
Sub-menu
Venues
Events listing
My Neighborhood
Business & Development
Search
You Are Here :
Home
/
City Information
/
Departments
/
Transportation and Utilities
/
Utilities
/
Lincoln Wastewater System
/
Lincoln Wastewater System Master Plans
/
2007 Lincoln Wastewater Facilities Plan Update
2007 Lincoln Wastewater Facilities Plan Update
November 2007
Adopted March 17, 2008
Download Complete Report
(153 M Zip PDF)
expand all
collapse all
Cover and Table of Contents
(221 K)
Chapter 1 - Executive Summary
(6.53 M)
1.1 Background
1.2 Planning Goals and Objectives
1.3 Study Area Boundaries
1.4 Population Projections
1.5 Collection System Modeling
1.6 Collection System Improvements
1.7 Theresa Street WWTF Improvements
1.7.1 Projected Flows
1.7.2 Summary of Theresa Street WWTF Tier I and II Improvements
1.7.3 Summary of Theresa Street WWTF Tier III Improvements
1.8 NE WWTF Improvements
1.8.1 Summary of NE WWTF Tier I, II, and III Improvements
1.9 Emerging WWTF Technologies and Other Consideration
1.10 Additional Recommendations
1.10.1 Collection System Operation and Maintenance
1.10.2 Peak Flow Reduction
1.10.3 Collection System Flow Monitoring Program
1.10.4 Hydraulic Modeling
1.10.5 Industrial Pre-Treatment Program
1.10.6 Wastewater Lift Stations
1.11 CIP - Planning Level Costs
1.11.1 Collection System
1.11.2 Wastewater Treatment Facilities
1.11.3 Combined Total Costs
Chapter 2 - Introduction
(232 K)
2.1 Background
2.1.1 History
2.1.2 Reason for Updating the Wastewater Facilities Master Plan
2.1.3 2030 Comprehensive Plan
2.2 Factors That Affect Facilities Planning
2.2.1 Population Increases
2.2.2 Regulatory Changes
2.2.3 Condition and Age of Facilities
2.3 Planning Goals and Objectives
2.4 Identified Improvements
2.5 Related Studies, Reports, and Documents
2.6 General Terminology
2.6.1 Facilities
2.6.2 Wastewater Flow
2.6.3 Wastewater Constituents
2.7 Wastewater and Solid Waste Organization
2.8 Acknowledgments
Chapter 3 - Planning Considerations
(3.87 M)
3.1 General
3.2 Study Limits
3.2.1 Geographical Boundaries
3.2.2 Wastewater Drainage Basins
3.2.3 Planning Areas
3.2.4 100 Year Floodplain Areas
3.3 Planning Agencies
3.4 Existing Land Usage
3.5 Future Land Use
3.6 Population
3.6.1 Historical Population
3.6.2 Projected Population
3.6.3 Comparison of Land Inventory to Projected Population
Chapter 4 - Existing Collection System
(555 K)
4.1 Background
4.1.1 Existing Collection System
4.1.2 Collection System Operation and Maintenance
4.2 Wastewater Collection System Basins Tributary to the Theresa Street WWTF
4.2.1 Salt Valley (Salt Creek)
4.2.2 Antelope Creek
4.2.3 West ‘O' Street
4.2.4 Middle Creek
4.2.5 Haines Branch
4.2.6 Beal Slough
4.2.7 Oak Creek
4.2.8 Lynn Creek
4.2.9 Little Salt Creek
4.2.10 East Campus
4.3 Wastewater Collection System Basins Tributary to the Northeast WWTF
4.3.1 Deadmans Run
4.3.2 Havelock
4.3.3 Stevens Creek
4.4 Wastewater Lift Stations
4.4.1 General Summary
4.4.2 Wastewater Lift Station Telemetry
4.4.3 Lift Station Operation and Maintenance
Chapter 5 - Existing Wastewater Treatment Facilities
(2.33 M)
5.1 Theresa Street WWTF
5.1.1 Overview
5.1.2 Liquid Treatment
5.1.3 Biosolids Treatment
5.1.4 Odor Control
5.1.5 Recently Completed Improvements
5.1.6 Historical Influent Flows
5.1.7 Historical Influent Quality
5.1.8 Treatment Facility Performance
5.1.9 Discharge Permit
5.1.10 Future Capacity
5.2 Northeast WWTF
5.2.1 Overview
5.2.2 Liquid Treatment
5.2.3 Odor Control
5.2.4 Biosolids Treatment
5.2.5 Recently Completed Improvements
5.2.6 Historical Influent Flows
5.2.7 Historical Influent Quality
5.2.8 Treatment Facility Performance
5.2.9 Discharge Permit
5.2.10 Future Capacity
5.3 Comparison of Water Usage to Wastewater Flow
5.4 Historical Per Capita Wastewater Flow
5.5 Industrial Contributions
Chapter 6 - Regulatory Requirements
(49 K)
6.1 Current Regulatory Requirements
6.1.1 Surface Water Quality Standards
6.1.2 Effluent Discharge Permitting System
6.1.3 Residuals Disposal Regulations
6.1.4 Air Permits
6.1.5 Stormwater Permits
6.2 Evolving Regulations
6.2.1 Effluent Limits
6.2.2 Biosolids Use and Disposal Regulations
Chapter 7 - Basis for Alternative Evaluations
(24 K)
7.1 General
7.2 Economic Evaluation
7.2.1 Probable Opinion of Estimated Costs
7.2.2 Future Costs
7.2.3 Assigning Costs
7.2.4 Contingencies
7.2.5 Collection System Costs
7.2.6 Wastewater Treatment Facility Costs
7.2.7 Summary or Recommendation
Chapter 8 - Development of the Collection System Hydraulic Model
(72 K)
8.1 Introduction
8.2 Dynamic Hydraulic Model Development
8.2.1 Data Collection
8.2.2 Establishment of Network Connectivity
8.3 Hydraulic Model Flow Inputs
8.3.1 Manning's Equation
8.3.2 Peak Flow Equation
8.3.3 Comparison of Peak Flow Equations
8.3.4 Flow Inputs
8.3.5 Development of Peak Flow Diurnal Curve
8.4 Model Calibration
8.4.1 Wet Weather Flow Calibration
Chapter 9 - Collection System Modeling Evaluation Criteria
(24 K)
9.1 Introduction
9.2 Design Criteria and Constraints
9.2.1 Existing and Future System Evaluation Criteria
9.2.2 Recommended Improvements Criteria
9.3 Model Scenarios
Chapter 10 - Salt Creek Basin
(1.01 M)
10.1 Salt Valley Trunk Sewer System
10.2 Existing Conditions
10.2.1 Model Results
10.2.2 Improvements
10.3 Tier I Conditions
10.3.1 Modeling Results
10.3.2 Identification of Alternatives
10.4 Tier II Conditions
10.4.1 Modeling Results
10.4.2 Improvements/Recommendations
10.5 Tier III Conditions
10.5.1 Model Results
10.5.2 Improvements
10.6 Summary of Recommended Improvements
Chapter 11 - Antelope Creek Basin
(711 K)
11.1 Antelope Creek Trunk Sewer System
11.2 Existing Conditions
11.2.1 Model Results
11.2.2 Improvement Alternatives
11.3 Tier I Conditions
11.3.1 Model Results
11.3.2 Identified Alternatives
11.4 Summary of Recommended Improvements
Chapter 12 - Beal Slough Basin
(476 K)
12.1 Beal Slough Trunk Sewer System
12.2 Existing Conditions
12.2.1 Model Results
12.2.2 Improvements
12.3 Tier I Conditions
12.3.1 Model Results
12.3.2 Alternative Identification
12.4 Summary of Recommended Improvements
Chapter 13 - Upper Southeast Salt Creek Basin
(365 K)
13.1 Upper Southeast Trunk Sewer System
13.2 Modeling Results
13.2.1 Tier I Conditions
13.2.2 Tier II Conditions
13.3 Improvements
13.3.1 Tier I Improvements
13.3.2 Tier II Improvements
13.4 Summary of Recommended Improvements
Chapter 14 - Upper Southwest Salt Creek Basin
(509 K)
14.1 Upper Southwest Trunk Sewer System
14.2 Modeling Results
14.2.1 Tier I Conditions
14.2.2 Tier II Conditions
14.2.3 Tier III Conditions
14.3 Improvements
14.3.1 Tier I Improvements
14.3.2 Tier II Improvements
14.3.3 Tier III Improvements
14.4 Summary of Recommended Improvements
Chapter 15 - Haines Branch Basin
(382 K)
15.1 Haines Branch Trunk Sewer System
15.2 Modeling Results
15.2.1 Existing Conditions
15.2.2 Tier I Conditions
15.2.3 Tier II Conditions
15.2.4 Tier III Conditions
15.3 Improvements
15.3.1 Tier I Improvements
15.3.2 Tier II Improvements
15.3.3 Tier III Improvements
15.4 Summary of Recommended Improvements
Chapter 16 - Middle Creek and West 'O' Street Basins
(1.1 M)
16.1 Middle Creek And West 'O' Street Trunk Sewer Systems
16.2 Modeling Results
16.2.1 Existing Conditions
16.2.2 Tier I Conditions
16.2.3 Tier II Conditions
16.2.4 Tier III Conditions
16.3 Improvements
16.3.1 Existing Conditions
16.3.2 Tier I Improvements
16.3.3 Tier II Improvements
16.3.4 Tier III Improvements
16.4 Summary of Recommended Improvements
Chapter 17 - Oak Creek and Lynn Creek Basins
(1.55 M)
17.1 Trunk Sewer System
17.2 Modeling Results
17.2.1 Existing Conditions
17.2.2 Tier I Conditions
17.2.3 Tier II Conditions
17.2.4 Tier III Conditions
17.3 Improvements
17.3.1 Existing Improvements
17.3.2 Tier I Improvements
17.3.3 Tier II Improvements
17.3.4 Tier III Improvements
17.4 Summary of Recommended Improvements
Chapter 18 - Little Salt Creek Basin
(1.17 M)
18.1 Little Salt Creek Trunk Sewer System
18.2 Modeling Results
18.2.1 Existing Conditions
18.2.2 Tier I Conditions
18.2.3 Tier II Conditions
18.2.4 Tier III Conditions
18.3 Improvements
18.3.1 Existing Conditions
18.3.2 Tier I Improvements
18.3.3 Tier II Improvements
18.3.4 Tier III Improvements
18.4 Summary of Recommended Improvements
Chapter 19 - Deadmans Run, East Campus, and Havelock Basins
(853 K)
19.1 Trunk Sewer Systems
19.2 Modeling Results
19.2.1 Existing Conditions
19.2.2 Tier I Conditions
19.3 Improvements
19.3.1 Existing Conditions
19.3.2 Tier I Conditions
19.4 Summary of Recommended Improvements
19.4.1 Sewer Monitoring
19.4.2 84th Street Sewer
Chapter 20 - Northeast Salt Creek Basin
(998 K)
20.1 Northeast Salt Creek Trunk Sewer System
20.1.1 Modeling Results
20.1.2 Existing Conditions
20.1.3 Tier I Conditions
20.1.4 Tier II and III Conditions
20.2 Improvements
20.2.1 Tier 1
20.2.2 Tier II
20.2.3 Tier III
20.3 Summary of Recommended Improvements
Chapter 21 - Stevens Creek Basin
(1.2 M)
21.1 Stevens Creek Trunk Sewer System
21.2 Modeling Results
21.2.1 Existing Conditions
21.2.2 Tier I Conditions
21.2.3 Tier II Conditions
21.2.4 Tier III Conditions
21.3 Improvements
21.3.1 Tier I Improvements
21.3.2 Tier II Improvements
21.3.3 Tier III Improvements
21.4 Summary of Recommended Improvements
Chapter 22 - Southeast Basin
(542 K)
22.1 Southeast Drainage Basin
22.2 Modeling Results
22.2.1 Existing, Tier I and Tier II Conditions
22.2.2 Tier III
22.3 Tier III Improvements
22.4 Summary of Recommended Improvements
Chapter 23 - Collection System Summary
(2.98 M)
23.1 Summary of Improvements
23.2 Lift Station Improvements
23.2.1 Summary
23.2.2 Recommended Improvements to Existing Lift Stations
23.2.3 Anticipated New Lift Stations
23.3 Summary of Collection System Modeling
23.3.1 Theresa Street WWTF Drainage Areas
23.3.2 NE WWTF Drainage Areas
Chapter 24 - Wastewater Treatment Facilities Future Improvements
(7.16 M)
24.1 Introduction
24.2 Theresa Street WWTF - Future Improvements
24.2.1 Current Through Tier II Improvements
24.2.2 Recent and Current Improvements
24.2.3 Tier I Improvements - Current and Recommended
24.2.4 Tier II Improvements
24.2.5 Tier III Improvements
24.2.6 Summary of Tier III Improvements
24.2.7 Summary of Theresa Street WWTF Improvements
24.3 Northeast Street WWTF
24.3.1 Overview
24.3.2 Tier I Improvements
24.3.3 Tier II Improvements
24.3.4 Tier III Improvements
24.3.5 Summary of NE WWTF Improvements
24.4 Emerging Wastewater Treatment Technologies And Other Considerations
24.5 Summary of Identified WWTF Improvements
Chapter 25 - Additional Recommendations
(444 K)
25.1 General
25.2 Collection System Operation And Maintenance
25.3 Peak Flow Reduction
25.3.1 I/I Flow Reduction
25.3.2 Foundation Drains - Sump Pumps
25.3.3 Service Lateral Repairs
25.3.4 Low Flow Plumbing Devices
25.4 Collection System Flow Monitoring Program
25.4.1 Components of Wastewater Flows
25.4.2 Need for Flow Monitoring Program
25.5 Industrial Pre-treatment Program
Chapter 26 - Summary of Planning Costs and Phasing
(69 K)
26.1 General
26.2 Summary of Estimated Improvement Costs
26.2.1 Collection System
26.2.2 Wastewater Treatment Facilities
26.3 Overview
Appendices
Appendix A - History of Wastewater Collection and Treatment in Lincoln
(364 K)
Appendix B - Abbreviations
(25 K)
Appendix C - Wastewater Lift Stations
(713 K)
Appendix D - Hydraulic Model Results
(868 K)
Appendix E - WWTF Process and Equipment Identification
(439 K)
Appendix F - Theresa Street and Northeast WWTF's Discharge Permits
(4.31 M)
Appendix G - Industrial Audit (FY 2005/2006)
(1.63 M)
Appendix H - Air Permit for Theresa Street WWTF
(3.48 M)
Appendix I - Stormwater Permits for Both WWTF's
(169 K)
Appendix J - Biosolids Agreement and 2006 Reports
(1.19 M)
Appendix K - NE WWTF Biosolids Land Application Yearly Summaries (1996-2006)
(601 K)
Appendix L - Theresa Street WWTF Odor Abatement Study
(904 K)
Appendix M - Theresa Street WWTF Hydraulic Profile Calculations
(2.52 M)
Appendix N - Southwest Wastewater Facility Siting Study Report
- Removed based on City Council and County Board actions
Tables
Table 1.1 Population Projections from 2005 to 2060 (1)
Table 1.2 Modeled Theresa Street WWTF Drainage Areas (1,2)
Table 1.3 Modeled NE WWTF Drainage Areas (1,2)
Table 1.4 Summary of Collection System Pipeline Improvements (1)
Table 1.5 Summary of Collection System Storage Improvements (1)
Table 1.6 Summary of Tier III Planning Level Costs
Table 1.7 Summary of Collection System Improvement Costs (1)
Table 1.8 Summary of Wastewater Treatment Facility Improvement Costs (1,2)
Table 1.9 Total of Collection and WWTF Improvements Costs (1,2)
Table 3.1 Historical Population From 1880 to 1980 (1)
Table 3.2 Population Projections from 2005 to 2060 (1)
Table 3.3 Acreage Calculations Based on Population
Table 4.1 Historical Length of Sanitary Sewer Pipe Installed
Table 4.2 Increase in Existing Wastewater Drainage Basin Areas
Table 4.3 Existing Collection System Operations and Maintenance Requirements
Table 4.4 Summary of Wastewater Lift Stations
Table 5.1 Rated Capacity of the Theresa Street WWTF
Table 5.2 Theresa Street WWTF Secondary Treatment Summary
Table 5.3 Theresa Street WWTF Annual Biosolids Land Application Volumes
Table 5.4 Theresa Street WWTF Historical Influent Flows
Table 5.5 Theresa Street WWTF Average Influent Loading Concentrations
Table 5.6 Theresa Street WWTF Average Influent Mass Loading
Table 5.7 Theresa Street WWTF Average Effluent Concentrations
Table 5.8 Theresa Street WWTF Average Influent Removal (1)
Table 5.9 Theresa Street WWTF Effluent Fecal Coliform Concentrations (1)
Table 5.10 Rated Capacity of the Northeast WWTF
Table 5.11 Northeast WWTF Secondary Treatment Summary
Table 5.12 Northeast WWTF Annual Average Flows
Table 5.13 Northeast WWTF Average Influent Loading Concentrations
Table 5.14 Northeast WWTF Average Influent Mass Loading
Table 5.15 Northeast WWTF Average Effluent Concentrations
Table 5.16 Northeast WWTF Average Influent Removal (1)
Table 5.17 Northeast WWTF Effluent Fecal Coliform Concentrations (1)
Table 5.18 Comparison of Water Usage and Wastewater Treatment Facility Flows
Table 5.20 Industrial Flow and Loading Contributions
Table 6.1 Salt Creek Segment LP2-20000 Stream Classification
Table 6.2 Theresa Street WWTF NPDES Permit Monitoring Requirements
Table 6.3 Theresa Street WWTF Effluent NPDES Permit Limitations
Table 6.4 Northeast WWTF Effluent NPDES Permit Limitations
Table 6.5 Theresa Street WWTF - Air Permit Requirements (1)
Table 7.1 Collection System Planning Costs
Table 7.2 Wastewater Treatment Facility Planning Costs
Table 8.1 Key Hydraulic Model Data
Table 8.2 Collection System Lift Stations included in the Hydraulic Model
Table 8.3 Peak Wastewater Design Flow Equation Comparison
Table 8.3 Wet Weather Calibration Results
Table 9.1 Existing System Model Scenarios
Table 10.1 Salt Valley Trunk Sewer System Existing and Future Tributary Areas
Table 10.2 Surcharged Pipes Salt Valley System - Tier I Conditions
Table 10.3 Results of Flow Maximization of Existing System
Table 10.4 Simulation Results of Storage with Flow Maximization
Table 10.5 Comparison of d/D Ratios for various I/I Flow Reduction Target Levels
Table 10.6 Manholes with Modeled SSO's Under Tier II Conditions
Table 10.7A Surcharged Pipes Salt Valley System - Tier II Conditions
Table 10.7B Surcharged Pipes Salt Valley System - Tier II Conditions
Table 10.7C Surcharged Pipes Salt Valley System - Tier II Conditions
Table 10.8 Recommended Improvements - Salt Valley Trunk Sewer System
Table 11.1 Antelope Creek Trunk Sewer System Modeling Areas (ac) (1,2)
Table 11.2 Surcharged Pipes - Existing Conditions - Antelope Creek Trunk Sewer
Table 11.3 Surcharged Pipes - Tier I Conditions - Antelope Creek Trunk Sewer
Table 11.4 Recommended Improvements - Antelope Creek Trunk Sewer
Table 12.1 Beal Slough Trunk Sewer Tributary Areas (ac) (1,2) Wastewater Facilities Master Plan Update - 2007 City of Lincoln, Nebraska
Table 12.2 Surcharged Pipes - Tier I Condition
Table 12.3 Recommended Improvements - Beal Slough Trunk Sewer System
Table 13.1 Service Area and Flows - Upper Southeast Basin (1,2)
Table 13.2 Upper Southeast Basin Tier I Modeling Results
Table 13.3 Design Characteristics of Proposed Sewers - Upper SE Basin
Table 13.4 Modeling Results of Proposed Sewers - Upper Southeast Basin
Table 13.5 Recommended Improvements - Upper Southeast Basin
Table 14.1 Service Areas and Flows - Upper Southwest Basin
Table 14.2 Design Characteristics of Proposed Sewers - Upper SW Basin
Table 14.3 Modeling Results of Proposed Sewers - Upper Southwest Basin
Table 14.7 Recommended Improvements - Upper Southwest Salt Valley Basin
Table 15.1 Service Areas and Flows - Haines Branch Basin (1, 2)
Table 15.2 Design Characteristics of Proposed Sewers - Haines Branch Basin
Table 15.3 Modeling Results of Proposed Sewers - Haines Branch Basin
Table 15.4 Recommended Improvements - Haines Branch Basin
Table 16.1 Service Areas and Flows - West O St & Middle Creek Basins
Table 16.2 Manholes with Modeled SSO's - Tier I Conditions - West ‘O' St and Middle Creek Basins
Table 16.3 Design Characteristics of Proposed Sewers - Middle Creek Basin
Table 16.4 Design Characteristics of Proposed Sewers - West O St Basin
Table 16.5 Modeling Results of Proposed Sewers - Middle Creek Basin
Table 16.6 Modeling Results of Proposed Sewers - West O St Basin
Table 16.7 Recommended Improvements - West ‘O' Street and Middle Creek Basins
Table 17.1 Service Areas and Flows - Oak Creek and Lynn Creek Basins
Table 17.2 Oak Creek Manholes with Modeled SSO's - Existing Conditions
Table 17.3 Surcharged Pipes - Oak Creek Basin - Existing Conditions
Table 17.4 Surcharged Pipes - Lynn Creek Basin - Existing Conditions
Table 17.5 Design Characteristics of Proposed Sewers - Oak Creek Basin
Table 17.6 Modeling Results of Proposed Sewers - Oak Creek Basin
Table 17.7 Recommended Improvements - Oak Creek and Lynn Creek Basins
Table 18.1 Service Areas and Flows - Little Salt Creek Basin (1, 2)
Table 18.2 Design Characteristics of Proposed Sewers - Little Salt Basin
Table 18.3 Modeling Results of Proposed Sewers - Little Salt Basin
Table 18.4 Recommended Improvements – Little Salt Creek Basin
Table 19.1 Service Area and Flows - Deadmans Run, East Campus, & Havelock Basins 1,2
Table 19.2 Surcharged Pipes - Existing Conditions- Deadmans Run Basin Wastewater Facilities Master Plan Update - 2007 City of Lincoln, Nebraska
Table 19.3 Comparison of d/D Ratios for I/I Flow Reduction Target Levels - Deadmans Run Basin
Table 20.1 Service Areas and Flows - Northeast Salt Creek Basin (1, 2)
Table 20.2 Un-Developable Areas in Northeast Salt Creek Basin
Table 20.3 Northeast Salt Creek Tier I Phased Basin Development Plan
Table 20.5 Design Characteristics of Proposed Sewers - Northeast Salt Creek Basin
Table 20.6 Modeling Results of Proposed Sewers - Northeast Salt Creek Basin
Table 20.7 Recommended Improvements – Northeast Salt Creek Basin
Table 21.1 Service Areas and Flows - Stevens Creek Basin (1, 2)
Table 21.2 Design Characteristics of Proposed Sewers - Stevens Creek Basin
Table 21.3 Modeling Results of Proposed Sewers - Stevens Creek Basin
Table 21.4 Recommended Improvements – Stevens Creek Basin
Table 22.1 Service Areas and Flows - Southeast Basin (1, 2)
Table 22.2 Design Characteristics of Proposed Sewers - Southeast Basin
Table 22.3 Modeling Results of Proposed Sewers - Southeast Basin
Table 22.4 Recommended Improvements – Southeast Basin
Table 23.1 Summary of Collection System Pipeline Improvements (1)
Table 23.2 Summary of Collection System Storage Improvements (1)
Table 23.3 Modeled Theresa Street WWTF Drainage Areas (1,2)
Table 23.4 Modeled NE WWTF Drainage Areas (1,2)
Table 24.1 Modeled Tier III Theresa Street and SW WWTF Drainage Areas (1,2)
Table 24.2 New SW WWTF - Tier III Alternative 1
Table 24.3 New West Side Salt Creek Trunk Sewer - Tier III Alternative 2
Table 24.4 Parallel East Side Salt Creek Trunk Sewer - Tier III Alternative 3
Table 24.5 Increased Storage - Tier III Alternative 4
Table 24.6 Summary of Tier III Planning Level Costs
Table 24.7 Recommended Improvements – Theresa Street Wastewater Treatment Facility
Table 24.8 Recommended Improvements – Northeast Wastewater Treatment Facility
Table 25.1 Collection System Projected Cleaning and Videoing Crew Needs
Table 26.1 Summary of Collection System Improvement Costs (1).
Table 26.2 Summary of Wastewater Treatment Facility Improvement Costs (1,2)
Table 26.3 Comparison of City CIP and Master Plan Update Costs for Tier I Period (1,2)
Figures
Figure 1.1 - Study Area Boundaries
Figure 1.2 - Modeled Peak Collection System Flows at Theresa Street WWTF
Figure 1.3 - Modeled Peak Collection System Flows at NE WWTF
Figure 1.4 - Planning Area Tier I Improvements
Figure 1.5 - Planning Area Tier II Improvements
Figure 1.6 - Planning Area tier III Improvements
Figure 1.7 - Planning Area Storage Improvements
Figure 1.8 - Schematic Drawing of Storage Facilities
Figure 1.9 - General Layout of Storage Facilities
Figure 1.10 - Theresa Street WWTF Projected MMAD Flows
Figure 1.11 - Theresa Street WWTF Aerial Photo with Tier I and II Future Improvements
Figure 1.12 - Northeast WWTF Projected MMAD Flows
Figure 1.13 - Northeast WWTF Future Improvements
Figure 1.14 - General Layout of WWTF Site
Figure 1.15 - Annual Cost of Collection System Improvements
Figure 1.16 - Annual Cost of Theresa Street and Northeast WWTF Improvements
Figure 1.17 - Summary of Annual Cost of Improvements
Figure 2.1 - City of Lincoln Wastewater and Solid Waste System Organization Chart
Figure 3.1 - Project Study Area
Figure 3.2 - Drainage Basins
Figure 3.3 - Utility Planning Zones
Figure 3.4 - Planning Growth Tiers
Figure 3.5 - 100 Year Floodplain
Figure 3.6 - Historical and Projected Population Trends for City of Lincoln and Lancaster County
Figure 3.7 - Comparison of Historic and Projected Population to Projected Tier Growth
Figure 4.1 - Existing Wastewater Trunk Sewer System
Figure 4.2 - Historical Collection System Stoppages
Figure 5.1 - Theresa Street WWTF Liquid Process Schematic
Figure 5.2A - Theresa Street WWTF Hydraulic Profile - Central Train
Figure 5.2B - Theresa Street WWTF Hydraulic Profile - East and West Train
Figure 5.3 - Theresa Street WWTF Solids Process Schematic
Figure 5.4 - Theresa Street WWTF Aerial Photo (April 2005)
Figure 5.5 - Theresa Street WWTF Aerial Photo (Oct. 12, 2006)
Figure 5.6 - Treatment Facilities SCADA System Diagram
Figure 5.7 - Theresa Street WWTF Historical Influent Flows
Figure 5.8 - Theresa Street WWTF Influent Flow Comparison
Figure 5.9 - Theresa Street WWTF Influent Loading Concentrations
Figure 5.10 - Theresa Street WWTF Influent Mass Loading
Figure 5.11 - Theresa Street WWTF Effluent Concentrations
Figure 5.12 - Northeast WWTF Liquid Process Schematic
Figure 5.13 - Northeast WWTF Hydraulic Profile
Figure 5.14 - Northeast WWTF Biosolids Injection Sites
Figure 5.15 - Northeast WWTF Solids Process Schematic
Figure 5.16 - Northeast WWTF Aerial Photo (April 2005)
Figure 5.17 - Northeast WWTF Aerial Photo (Oct. 12, 2006)
Figure 5.18 - Northeast WWTF Historical Influent Flows
Figure 5.19 - Northeast WWTF Influent Flow Comparison
Figure 5.20 - Northeast WWTF Influent Loading Concentrations
Figure 5.21 - Northeast WWTF Influent Mass Loading
Figure 5.22 - Northeast WWTF Effluent Concentrations
Figure 5.23 - Historical Per Capita Wastewater Flow
Figure 8.1 - Peak Flow Curve Based on Flow Equation
Figure 8.2 - Peak Wastewater Design Flow Equation Comparison
Figure 8.3 - Theresa Street WWTF Ratio of Instantaneous Flow and Peak Wet Weather Flow
Figure 8.4 - Beal Slough Ratio of Instantaneous Flow and Peak Wet Weather Flow
Figure 10.1 - Salt Valley Basin Trunk Sewer System
Figure 10.2 - Locations of Pipes with Velocities >= 2.0 ft/sec - Existing Conditions
Figure 10.3 - Location of Surcharged Pipes - Tier I Conditions
Figure 10.4 - Hydraulic Profile of Surcharged Pipes - Tier I Conditions
Figure 10.5 - Modeled Water Surface Levels With and Without Flow Maximization - Tier I Conditions
Figure 10.6 - Location of Modeled Storage - Tier I Conditions
Figure 10.7 - Comparison of Water Surface Elevations - Tier I Conditions
Figure 10.8 - Comparison of Water Surface Elevation for Various I/I Flow Reduction Target Levels - Tier I Conditions
Figure 10.9 - Locations of Surcharged Pipes - Tier II Conditions
Figure 10.10 - Hydraulic Profile of Surcharged Pipes - Tier II Conditions
Figure 10.11 - Comparison of Water Surface Elevations for Various I/I Flow Reduction Target Levels - Tier II Conditions
Figure 10.12 - Location of Storage with 20% I/I Flow Reduction - Tier II Conditions
Figure 10.13 - Hydraulic Profile - Tier II Conditions with Storage Improvements
Figure 11.1 - Antelope Basin Trunk Sewer System
Figure 11.2 - Location of Surcharged Pipes - Antelope Creek Trunk Sewer - Existing Conditions
Figure 11.3 - Hydraulic Profile of Surcharged Pipes - Antelope Creek Trunk Sewer - Existing Conditions
Figure 11.4 - Locations of Pipes with Velocities >=2.0 ft/sec - Antelope Creek Trunk Sewer - Existing Conditions
Figure 11.5 - Location of Surcharged Pipes - Antelope Creek Trunk Sewer - Tier I Conditions
Figure 11.6 - Hydraulic Profile of Surcharged Pipes - Antelope Creek Trunk Sewer - Tier I Conditions
Figure 12.1 - Beal Slough Trunk Sewer System
Figure 12.2 - Location of Pipes with Velocities >=2.0 ft/sec - Existing Conditions
Figure 12.3 - Location of Surcharged Pipes - Tier I Conditions
Figure 13.1 - Upper Southeast Salt Creek Basin Map
Figure 13.2 - Proposed Tier I and II Sewer Improvements - Upper Southeast Basin
Figure 14.1 - Upper Southwest Basin Map
Figure 14.2 - Proposed Sewer Improvements - Upper Southwest Basin
Figure 15.1 - Haines Branch Basin Map
Figure 15.2 - Proposed Sewer Improvements - Haines Branch Trunk Sewer System
Figure 16.1 - Middle Creek and West ‘O' Street Trunk Sewer System
Figure 16.2 - Location of Surcharged Pipes - Existing Conditions
Figure 16.3 - Proposed Sewer Improvements - West ‘O' St and Middle Creek Basins
Figure 17.1 - Oak Creek Basin Schematic
Figure 17.2 - Lynn Creek Basin Schematic
Figure 17.3 - Surcharged Pipes - Oak and Lynn Creek Basins - Existing Conditions
Figure 17.4A - Hydraulic Profile Surcharged Pipes - Oak Creek Basin - Existing Conditions
Figure 17.4B - Hydraulic Profile Surcharged Pipes - Oak Creek Basin - Existing Conditions
Figure 17.5 - Hydraulic Profile of Surcharged Pipes- Existing Conditions - Lynn Creek
Figure 17.6 - Proposed Sewer Improvements - Oak Creek Basin
Figure 18.1 - Little Salt Creek Basin Map
Figure 18.2 - Proposed Sewer Improvements - Little Salt Creek Basin
Figure 18.3 - Proposed Sewer Improvements with Storage Alternative - Little Salt Creek Basin
Figure 19.1 - Deadmans Run Trunk Sewer System
Figure 19.2 - East Campus Trunk Sewer System
Figure 19.3 - Havelock Basin Trunk Sewer System
Figure 19.4 - Surcharged Pipes - Existing Conditions - Deadmans Run, East Campus, and Havelock Basins
Figure 19.5 - Hydraulic Profile of Surcharged Pipes - Existing Conditions - Deadmans Run Trunk Sewer
Figure 19.6 - Locations of Pipes with Velocities >= 2.0 ft/sec - Existing Conditions - Deadmans Run, East Campus, and Havelock Basins
Figure 20.1 - Basin Map - Northeast Salt Creek
Figure 20.2 - Hydraulic Profile of Surcharged Pipes -Northeast Basin - Deadmans Run
Figure 20.3 - Proposed Sewer Improvements - Northeast Salt Creek
Figure 21.1 - Stevens Creek Basin Map
Figure 21.2 - Hydraulic Profile - Stevens Creek Trunk Sewer - Existing Conditions
Figure 21.3 - Proposed Sewer Improvements - Stevens Creek Trunk Sewer System
Figure 22.1 - Southeast Basin Map
Figure 22.2 - Proposed Sewer Improvements – Southeast Basin
Figure 23.1 - Planning Area Tier I Improvements
Figure 23.2 - Planning Area Tier II Improvements
Figure 23.3 - Planning Area Tier III Improvements
Figure 23.4 - Planning Area Storage Improvements
Figure 23.5 - Schematic Drawing of Storage Facilities
Figure 23.6 - General Layout of Storage Facilities
Figure 23.7- Planning Level O&M Costs for Storage Facilities
Figure 23.8 - Modeled Peak Flows at Theresa Street WWTF
Figure 23.9 - Modeled Peak Flows at NE WWTF
Figure 24.1 - Existing WWTF Service Areas
Figure 24.2 - Theresa Street WWTF Projected MMAD Flows
Figure 24.3 - Theresa Street WWTF Aerial Photo with Future Tier I and II Improvements
Figure 24.4 - Proposed Southwest WWTF Service Area - Alternative 1
Figure 24.5 - West Side Salt Creek Trunk Sewer - Alternative 2
Figure 24.6 - Parallel East Side Salt Creek Trunk Sewer - Alternative 3
Figure 24.7 - Increased Storage - Alternative 4
Figure 24.8 - Theresa Street WWTF Tier III Improvements Area
Figure 24.9 - Northeast WWTF Projected MMAD Flows
Figure 24.10 - Northeast WWTF Future Improvements
Figure 24.11 - General Layout of WWTF Facilities
Figure 25.1 - Collection System Projected Maintenance Crew Requirements
Figure 25.2 - Proposed Locations for Flow Monitoring Facilities
Figure 26.1 - Annual Cost of Collection System Improvements
Figure 26.2 - Annual Cost of Theresa Street & Northeast WWTF Improvements
Figure 26.3 - Summary of Annual Improvements
Back to top
Housing and Utilities Emergency Relief Funds
Emergency relief funds are now available for those needing financial assistance for housing and utilities due to the impact of COVID-19.
More Information
Announcement
contains