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Water Infrastructure WS - Ryan Taylor

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Citizens Territory
• Customers
–325,000 retail
–8 wholesale
• 10 treatment plants
257 MGD capacity
• Average day demand
12...

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One Water / Citizens
• Locating Source Water
• Treatment & Distribution
• WW Collection & Recovery
• Capital Projects

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Water System Master Planning
• Integrated Water Resource Plan (IWRP)
– Yearly Evaluations
– Demand Projections
– Water Con...

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Water Infrastructure WS - Ryan Taylor

  1. 1. Citizens Territory • Customers –325,000 retail –8 wholesale • 10 treatment plants 257 MGD capacity • Average day demand 125 MGD • Maximum day demand 232 MGD (2012) • 4,394 miles of main
  2. 2. One Water / Citizens • Locating Source Water • Treatment & Distribution • WW Collection & Recovery • Capital Projects
  3. 3. Water System Master Planning • Integrated Water Resource Plan (IWRP) – Yearly Evaluations – Demand Projections – Water Conservation – Current Source Water (Moderate Drought) – Current Treatment Capacity (Firm Capacity) – Current Distribution Limitations – 50 Year Project Needs
  4. 4. 0 100 200 300 400 500 CitizensWaterSystemCapacity(MGD) Evaluation Year IWRP 50 Year Demand/Capacity Lookout New CSM Harbour Ford Geist GWTP South Well Field Harding TW Moses Fall Creek White River North White River Base Demand Demand plus 10%
  5. 5. Water Project Prioritization • Project Evaluation / Determination • Weighting Factors – 24% - Regulatory – 12% - Infrastructure – 2% - Operations & Technology – 24% - Environmental, Safety & Security – 12% - Capital Growth – 24% - Failure Probability / Consequence – Discretionary (Adds 24%)

Editor's Notes

  • Wastewater system in Marion County only
  • Timeline 2006 to 2025

    $2 billion dollars

    28 miles – 250 feet deep – 18 feet diameter

    Treatment plant expansions to 550 MGD (from 300 MGD)

    Capture 99% of CSO volumes (~2 events per year, Originally about 6 BG)
  • Timeline 2006 to 2025

    $2 billion dollars

    28 miles – 250 feet deep – 18 feet diameter

    Treatment plant expansions to 550 MGD (from 300 MGD)

    Capture 99% of CSO volumes (~2 events per year, Originally about 6 BG)
  • Regulatory: Number of years until regulatory requirement is expected

    Infrastructure: Useful remaining life

    Operations & Tech: Number of years until payback (how much does it help out ops)

    Enviro, Safety & Security: Likelihood/impact of safety concern

    Capacity & Growth: Number of years until capacity is needed

    Failure Probability: Likelihood of an issue occurring

    Failure consequence: The ultimate consequence if the failure occurs

    Discretionary: To be added at the discretion of Operations and Engineering (must include a justification)

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