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Item 6b September 10, 2018 CA Recycled Water Regulatory Framework - PowerPoint PPT Presentation

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Engineering and Operations Committee Item 6b September 10, 2018 CA Recycled Water Regulatory Framework Demonstration Project Activities Regulatory Collaboration Testing Approach Independent Scientific Advisory Panel Construction Status

  1. Engineering and Operations Committee Item 6b September 10, 2018

  2. CA Recycled Water Regulatory Framework Demonstration Project Activities Regulatory Collaboration Testing Approach Independent Scientific Advisory Panel Construction Status Full-Scale Program Planning E&O Committee Item 6b, Slide 2 September 10, 2018

  3. Non-Potable Indirect Indirect Direct Potable Reuse Potable Reuse Potable Reuse Reuse Irrigation Groundwater Reservoir Water Raw Water Industrial Uses Replenishment Augmentation Augmentation 2018 2023/TBD 2000 2014 Increasing requirements for public health protection E&O Committee Item 6b, Slide 3 September 10, 2018

  4. Weymouth Plant Main San Gabriel Basin Santa Fe Spreading Grounds Rio Hondo Central Basin West Spreading Coast Grounds Basin Diemer Plant JWPCP OC Orange Spreading County Grounds Basin E&O Committee Item 6b, Slide 4 September 10, 2018

  5. Weymouth Plant Santa Fe Spreading Regional Board 4 Grounds Los Angeles Rio Hondo Spreading Grounds Diemer Plant JWPCP OC Spreading Regional Board 8 Grounds Santa Ana E&O Committee Item 6b, Slide 5 September 10, 2018

  6. State Water Resources Control Board Regional Water Division of Quality Control Drinking Water Boards Los Angeles Santa Ana Region Region

  7. • Program Introduction 2016 • AWT Demo Process Design • Prelim. Groundwater Assessments 2017 • MBR Technology Acceptance 2018 • Demonstration Testing and Monitoring Plan – Workshop (Aug 9) • Field Tour of Demonstration Plant 2019 • Baseline Testing Data Review E&O Committee Item 6b, Slide 7 September 10, 2018

  8. UV Light/Advanced Chemical Feed Systems Reverse Oxidation Process Osmosis MBR – Aerobic and Anoxic Tanks MBR – Membrane Modules E&O Committee Item 6b, Slide 8 September 10, 2018

  9. Fine Screening Aeration Basin Nitrification Anoxic Basin Denitrification Membrane Modules Filtration E&O Committee Item 6b, Slide 9 September 10, 2018

  10. Regulatory Approach Growing knowledge base from national and international research on pathogen removal in MBR systems Australia’s MBR validation protocol outlines 3-tiered approach to achieve pathogen reduction credit California regulators concur with Metropolitan’s proposed MBR testing approach utilizing this protocol E&O Committee Item 6b, Slide 10 September 10, 2018

  11. MBR Technology Acceptance Final test plan to be submitted to regulators in early October for approval by end of 2018 Testing anticipated to begin early 2019 • Equipment Testing and Process Pre-testing Acclimation (3 months) • Baseline Performance Testing Phase 1 (4 months) • Challenge Testing and Evaluation Phase 2 (8 months) Additional testing for process optimization and full-scale design criteria to follow E&O Committee Item 6b, Slide 11 September 10, 2018

  12. Laboratory Analysis E&O Committee Item 6b, Slide 12 September 10, 2018

  13. Title 22 Regulations require independent panel of experts to review alternative approaches for meeting existing regulations (e.g., application of Membrane Bioreactor) National Water Research Institute commissioned to secure panel for demonstration project Panel will help guide demonstration project Testing and Monitoring Plan Water quality and operational data MBR Technology Acceptance report Stakeholder engagement E&O Committee Item 6b, Slide 13 September 10, 2018

  14. Ed Means Facilitation Thomas Harder Hydrogeology Paul Westerhoff Drinking/Advanced Water Treatment Vernon Snoeyink Pipeline Corrosion/Water Chemistry Chuck Haas (Chair) Microbiology Adam Olivieri Regulations/Permitting Richard Bull Toxicology Joe Cotruvo Chemistry Michael Stenstrom* Wastewater Treatment Kevin Hardy NWRI Administration E&O Committee Item 6b, Slide 14 September 10, 2018 *not pictured

  15. Focus Areas/Panel Feedback Process Technology • Testing Approach • Operational Criteria Monitoring and Analysis • Monitoring Frequency • Analytical Methodology Source Control and Brine Mgmt • Source Assessments • Discharge Requirements E&O Committee Item 6b, Slide 15 September 10, 2018

  16. Workshop Report Final ISAP report available by end of Sept 2018 E&O Committee Item 6b, Slide 16 September 10, 2018

  17. Current Status and Schedule Construction approximately 65% complete Complete construction – December 2018 Commence start-up and operation – January 2019 E&O Committee Item 6b, Slide 17 September 10, 2018

  18. E&O Committee Item 6b, Slide 18 September 10, 2018

  19. E&O Committee Item 6b, Slide 19 September 10, 2018

  20. E&O Committee Item 6b, Slide 20 September 10, 2018

  21. E&O Committee Item 6b, Slide 21 September 10, 2018

  22. Conceptual planning and phasing evaluation Groundwater modeling Source control assessments and nitrogen management studies Institutional and financial arrangements Public outreach planning efforts E&O Committee Item 6b, Slide 22 September 10, 2018

  23. 2019 2018 Demonstration Plant Conceptual Planning Studies Report Assessment of IRP, Rates, and Terms Board Workshops on RRWP Construction Other Operations/Testing Board Workshops Completion Studies E&O Committee Item 6b, Slide 23 September 10, 2018

  24. www.mwdh2o.com/RRWP E&O Committee Item 6b, Slide 24 September 10, 2018

  26. E&O Committee Item 6b, Slide 26 September 10, 2018

  27. E&O Committee Item 6b, Slide 27 September 10, 2018

  28. E&O Committee Item 6b, Slide 28 September 10, 2018

  29. E&O Committee Item 6b, Slide 29 September 10, 2018

  30. E&O Committee Item 6b, Slide 30 September 10, 2018

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