SLIDE 1
E&O Committee Item 6b, Slide 2 September 10, 2018
CA Recycled Water Regulatory Framework Demonstration Project Activities
Regulatory Collaboration Testing Approach Independent Scientific Advisory Panel Construction Status
Item 6b September 10, 2018 CA Recycled Water Regulatory Framework - - PowerPoint PPT Presentation
Item 6b September 10, 2018 CA Recycled Water Regulatory Framework - - PowerPoint PPT Presentation
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
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SLIDE 3
E&O Committee Item 6b, Slide 3 September 10, 2018
Increasing requirements for public health protection
Non-Potable Reuse Indirect Potable Reuse Indirect Potable Reuse Groundwater Replenishment Reservoir Water Augmentation Raw Water Augmentation Direct Potable Reuse
2000 2014 2018 2023/TBD
Irrigation Industrial Uses
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E&O Committee Item 6b, Slide 4 September 10, 2018
JWPCP
Main San Gabriel Basin Central Basin West Coast Basin Orange County Basin
Rio Hondo Spreading Grounds OC Spreading Grounds Santa Fe Spreading Grounds
Weymouth Plant Diemer Plant
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E&O Committee Item 6b, Slide 5 September 10, 2018
JWPCP Rio Hondo Spreading Grounds OC Spreading Grounds Santa Fe Spreading Grounds
Weymouth Plant Diemer Plant
Regional Board 4 Los Angeles Regional Board 8 Santa Ana
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State Water Resources Control Board Division of Drinking Water Regional Water Quality Control Boards Los Angeles Region Santa Ana Region
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E&O Committee Item 6b, Slide 7 September 10, 2018
- Program Introduction
- AWT Demo Process Design
2016
- Prelim. Groundwater Assessments
- MBR Technology Acceptance
2017
- Demonstration Testing and
Monitoring Plan – Workshop (Aug 9)
2018
- Field Tour of Demonstration Plant
- Baseline Testing Data Review
2019
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E&O Committee Item 6b, Slide 8 September 10, 2018
MBR – Membrane Modules Reverse Osmosis Chemical Feed Systems UV Light/Advanced Oxidation Process MBR – Aerobic and Anoxic Tanks
SLIDE 9
E&O Committee Item 6b, Slide 9 September 10, 2018
Aeration Basin Nitrification Fine Screening Anoxic Basin Denitrification Membrane Modules Filtration
SLIDE 10
E&O Committee Item 6b, Slide 10 September 10, 2018
Growing knowledge base from national and international research on pathogen removal in MBR systems
Regulatory Approach
Australia’s MBR validation protocol
- utlines 3-tiered approach to
achieve pathogen reduction credit California regulators concur with Metropolitan’s proposed MBR testing approach utilizing this protocol
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E&O Committee Item 6b, Slide 11 September 10, 2018
- Equipment Testing and Process
Acclimation (3 months)
Pre-testing
- Baseline Performance Testing
(4 months)
Phase 1
- Challenge Testing and Evaluation
(8 months)
Phase 2
Additional testing for process optimization and full-scale design criteria to follow
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
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E&O Committee Item 6b, Slide 12 September 10, 2018
Laboratory Analysis
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E&O Committee Item 6b, Slide 13 September 10, 2018
Title 22 Regulations require independent panel
- f 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
SLIDE 14
E&O Committee Item 6b, Slide 14 September 10, 2018
Ed Means Thomas Harder Paul Westerhoff Vernon Snoeyink Chuck Haas (Chair) Adam Olivieri Richard Bull Joe Cotruvo Michael Stenstrom* Kevin Hardy Facilitation Hydrogeology Drinking/Advanced Water Treatment Pipeline Corrosion/Water Chemistry Microbiology Regulations/Permitting Toxicology Chemistry Wastewater Treatment NWRI Administration
*not pictured
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E&O Committee Item 6b, Slide 15 September 10, 2018
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
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Final ISAP report available by end of Sept 2018
E&O Committee Item 6b, Slide 16 September 10, 2018
Workshop Report
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E&O Committee Item 6b, Slide 17 September 10, 2018
Current Status and Schedule
Construction approximately 65% complete Complete construction – December 2018 Commence start-up and operation – January 2019
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E&O Committee Item 6b, Slide 18 September 10, 2018
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E&O Committee Item 6b, Slide 19 September 10, 2018
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E&O Committee Item 6b, Slide 20 September 10, 2018
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E&O Committee Item 6b, Slide 21 September 10, 2018
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E&O Committee Item 6b, Slide 22 September 10, 2018
Conceptual planning and phasing evaluation Groundwater modeling Source control assessments and nitrogen management studies Institutional and financial arrangements Public outreach planning efforts
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E&O Committee Item 6b, Slide 23 September 10, 2018
2019
Demonstration Plant Conceptual Planning Studies Report Assessment of IRP, Rates, and Terms Board Workshops on RRWP
2018
Operations/Testing Board Workshops Studies Construction Other Completion
SLIDE 24
E&O Committee Item 6b, Slide 24 September 10, 2018
www.mwdh2o.com/RRWP
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E&O Committee Item 6b, Slide 26 September 10, 2018
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E&O Committee Item 6b, Slide 27 September 10, 2018
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E&O Committee Item 6b, Slide 28 September 10, 2018
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E&O Committee Item 6b, Slide 29 September 10, 2018
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E&O Committee Item 6b, Slide 30 September 10, 2018