Pinellas County: Integrated Water Resource Management …...A Case for Integrated Water Resource...
Transcript of Pinellas County: Integrated Water Resource Management …...A Case for Integrated Water Resource...
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Pinellas County: Integrated Water Resource Management Planning
Florida Stormwater Association
2015 Annual Conference Kelli Hammer Levy, Pinellas County
Brett Cunningham, Jones Edmunds
Scott McClelland, CDM Smith Inc.
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A Case for Integrated Water Resource Management
• Pinellas County is facing several water resource related challenges
– Built-out conditions
– Aging infrastructure
– Ecosystem pressures
– Impaired water bodies
– Climate change
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A Case for Integrated Water Resource Management
• From 2011 to 2013, Pinellas County defined a Comprehensive Surface Water Management Initiative
– Move from reactive to proactive
– Called for:
• Integrated asset management
• Source controls
• Maintenance improvements
• Watershed planning
• Floodplain management
• Community engagement
• Regulatory compliance
• Dedicated revenue source
Surface Water
Resource Management
Plan
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As part of the Comprehensive Program, Pinellas County has embraced Envision ¹
• Envision¹ is a sustainability rating system for civil infrastructure
• Comprehensive tool to rate the community, environmental, and economic benefits of projects
– Quality of Life (e.g., Protect, Preserve, Enhance Local Resources)
– Leadership (e.g., Stakeholder Involvement)
– Resource Allocation (e.g., Life Cycle Costs Considered)
– Natural World (e.g., Preserve Local Habitat and Biodiversity)
– Climate and Risk (e.g., Prepare for Long-term Adaptability)
• The County will use Envision¹ to evaluate IWRMP alternatives.
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Past Practice (Silo Approach)
Drinking Water
Stormwater
Wastewater Reclaimed
Water
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New Integrated Approach
Rainwater Harvesting
Reclaimed Water
Wet Weather
Management
ONE WATER
Sustainable Management
Drinking Water
Storm- Water
Waste- Water
Climate Change
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Objectives Represent major goals of plan, defined in broad, understandable terms (e.g., ensure water reliability)
Metrics Indicate how well an objective is being achieved (e.g., frequency and magnitude of water shortages; or total lifecycle cost)
Options Represent individual projects or management measures/activities
Alternatives Represent combinations of options designed to best meet the stated objectives, and will be evaluated against metrics
IWRMP Terms
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IWRMP Principles
• Recognize that water resources are finite
• Manage all water resources (drinking, wastewater, stormwater, and even solid waste-produced water) as if they were “one water”
• View urban communities as a complete, interconnected system (water, energy, solid waste, natural and built environment)
• Seek sustainable practices
ONE WATER
Rain/Storm Water
Ground Water
Drinking Water
Reclaimed Water
Waste Water
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IWRMP Principles (Continued)
• Develop multi-use/multi-benefit projects and infrastructure
• Allocate resources efficiently and equitably
• Account for risk and uncertainty
• Involve and engage stakeholders
Sweetwater Branch Restoration, Gainesville
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IWRMP Benefits
• System reliability
• Water quality
• Efficiency and sustainability
• Natural/urban environment
• Quality of life for residents
• Funding opportunities
• Resiliency to climate change
• Increased public awareness, trust and advocacy
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Blending the purpose and options of IWRMP Collaborative Approach to Planning
Incorporation of: • Institutional goals • Stakeholder needs
Resulting in: • Tradeoffs • Sensitivity • Adaptive management
Identification of: • Technologies • Projects & processes
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Overall Approach to Pinellas County’s IWRMP
• Part I – Preliminary Analysis of Options
– Stakeholder Involvement
– Systems Modeling
– Analysis of Programs and Options
– Preliminary Plan Reporting
• Part II – Detailed IWRMP
– Refined Analysis
– Refined Systems Modeling
– Stakeholder Involvement
– Conceptual Designs
– Final Plan
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Stakeholder Involvement
• Internal Stakeholders (Phase I)
– Programs
• Water Supply
• Wastewater/Reclaimed Water
• Stormwater
• Surface Water
• Solid Waste
– Management
– Southwest Florida Water Management District
• External Stakeholders (Not Involved Yet)
– “Connected” Governments
– Regulatory Agencies
– General Public
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Internal & External Stakeholder Early Decisions
• Definition of Goals/Objectives
– Define the Purpose of the IWRP in 8 to 10 Goals
• Performance Measures
– How Goals/Objectives Measured
• Constraints
– Limitations
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Pinellas County’s Preliminary List of Objectives
Meet Utility Needs Reliably
• Potable water
• Wastewater
• Reclaimed water
• Percent of County generated reclaimed water beneficially reused
• Percent of time that reclaimed supply meets demands on an annual basis
• Amount of stormwater beneficially used
• Increase in potable water conservation
Example Metrics
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Pinellas County’s Preliminary List of Objectives
Provide Cost Effective Solutions
• Multi-purpose/multi-benefit
• Innovative
• Cost-effective
• Dollar per reduced flood event inundation
• Dollar per gallon of potable water delivered
• Dollar per pound of pollutant removed from receiving waters
• Dollar per reduced volume wastewater surface discharge
• Dollar per increased reclaimed water use
Example Metrics
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Pinellas County’s Preliminary List of Objectives
Improve Ambient Water Quality
• Receiving waters
• Groundwater
• Pounds of pollutant of concern removed
• Percent of potential wastewater customers on septic tank
• Qualitative ambient water quality improvement (stream restoration, sediment removal)
• Benefits brownfield site cleanup
Example Metrics
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Pinellas County’s Preliminary List of Objectives
Provide Resiliency Against Climate Change
• Adaptive solutions
• Protection against future changes in temperature and rainfall patterns, and sea-level rise
• Percent of County facilities/infrastructure in vulnerable areas
• Acres of recreational areas and open spaces located in vulnerable areas
Example Metrics
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Pinellas County’s Preliminary List of Objectives
Protect Watersheds and Natural Systems
• Protect and enhance watersheds and the natural environment
• Aquatic and terrestrial
• Miles of stream protection
• Acres of habitat protection
Example Metrics
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Pinellas County’s Preliminary List of Objectives
Ensure Quality of Life
• Maintain and improve the quality of life of residents
• Natural and built environment
• Recreation
• Open space
• Quality and diverse economy
• Healthy community
• Public outreach and education
• Acres of recreation/open space protected or created
• Impact to underserved communities
• Qualitative score for public education/participation
• Qualitative score for benefiting economy
• Qualitative score for protecting public health
Example Metrics
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Project Options
• Categories (No of Options)
– Reclaimed Water (8)
– Solid Waste (2)
– Surface Water (16)
– Wastewater (8)
– Water Supply (9)
• Planning Horizons
– Early Out (1 to 2 years)
– Short-term (5 to 10 years)
– Medium-term (25 years)
– Long-term (50 years) – Climate Change
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Example Project Options
• South-North Regional Reclaimed Water Transmission (Short-term)
• Green Infrastructure/LID (Short- to Medium-term)
– Linear Detention
– Green Streets
– Reduced Imperviousness
– Bio-swales
• Stormwater Harvesting (Short- to Medium-term)
• Facility vulnerability to Climate Change (Long-term)
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Other Internal & External Stakeholder Decisions
• Groupings to Form Single Alternatives
– Centered on Theme (e.g., Most Reliable)
– May Change as Alternatives are Processed
• Scoring and Weighting of Criteria/Performance Measures
• Preferred Alternatives for Further Development
• Final Alternative or Set of Alternatives
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Overall Approach Modeling
Systems Modeling
• Interconnections of Programs and Activities
• Effects of Programs/Activities on Environment, Economy, etc.
Decision Making Support
• Comparison of Goals and Objectives
• Comparison of Options
Tactical Level Modeling Strategic Level Modeling
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Discipline Schematics – Existing System
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Model Schematic
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Systems Thinking Experimental Learning Laboratory with Animation (STELLA) Model
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Model Calibration
Modeled versus Historical Wastewater Flows
Modeled versus Historical Reclaimed Water Flows
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Strategic Modeling
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Ranking of Alternatives
0.24
0.28
0.20 0.22 0.21
0.05
0.03
0.050.04 0.03
0.08
0.07
0.08 0.060.06
0.080.06
0.05 0.07 0.10
0.07 0.06
0.050.04 0.03
0.02 0.02
0.04 0.040.01
0.05 0.05
0.05 0.05
0.00
0.02 0.01
0.030.01
0.01
0.020.01
0.020.02
0.03
0.620.60
0.560.54
0.48
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
Efficiency + Safety & Security
Revised Reliability Water Quality Plus Revised Low Cost Non-Integrated
9. Carbon Footprint
8. Improved Access & Aesthetics
7. Sustainable Biosolids Management
6. Regional Acceptance
5. Safety & Security
4. Service at Reasonable Cost
3. Water Quality & Ecological Health
2. Efficiency
1. Reliability
Total
Franklin, TN
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Preliminary Plan
• Preparation of a Preliminary Plan
– High Level Assessment of Options and Alternatives
– High Level Assessment of Cost and Benefits
• Presentation to Elected Officials and Stakeholders
• Overall Consideration of Direction of Plan
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Phase II – Detailed Development of IWRP
• Refined Technical Analysis
– Add Missing Detail from Phase I
– Refine Interconnectivity
• Refined Integrated Modeling
• Internal & External Stakeholder Involvement
– Larger External Participation
– Interactive Consideration of Alternatives
• Conceptual Designs
– Conceptual Design 5% to 30% for New Projects
– Update on Already “On-the-shelf” Projects
• Final IWRP Documentation with Project List, Schedule, Funding Plan
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Questions?
Time for a new paradigm!