![The Global Context
Goal 6: Ensure access to water and sanitation for all
6.3 By 2030…substantially increas[e] recycling and safe reuse globally.
6.A By 2030, expand international cooperation and capacity-building support to
developing countries in…wastewater treatment, recycling and reuse technologies.
Science Synergy](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Purple New Deal
- 1. Dasha Mazura Purple New Deal Suggestions for OneWater Plan November 14, 2019 Edward C. Little Water Recycling Facility Science Synergy
- 2. The Global Context Goal 6: Ensure access to water and sanitation for all 6.3 By 2030…substantially increas[e] recycling and safe reuse globally. 6.A By 2030, expand international cooperation and capacity-building support to developing countries in…wastewater treatment, recycling and reuse technologies. Science Synergy
- 3. Los Angeles Recycled Water Master Plan (2012) Recycled Water: 2010 Actual: 4.5 MGD 2035 Goal: 53 MGD (12x increase) 1,000 AFY = 0.90 MGD Non-Potable Reuse (NPR) Ground Water Replenishment (GWR) Metropolitan Water District of Southern California (MWD) 52% (326,012 AFY) Science Synergy
- 4. All Water is One Water OneWater LA 2040 Plan. Executive Summary. Final Draft. April 2018 Distance from Hyperion to the furthest serviced area: 28 miles Science Synergy
- 5. Los Angeles Recycled Water Annual Report (2018-2019) Current NPR* (2019) 12 MGD Potential NPR 18 MGD Planned GWR 27 MGD Conceptual Hyperion Reuse 180 MGD Recycled Water Pipeline (Purple Pipe) Existing Pipeline 67.0 miles Pipeline Installed in FY18/19 0.7 miles Total Pipeline 67.7 miles Science Synergy
- 6. The Westside System (ELWRF) Total Demand 2.1 MGD Existing Sites: 0.6 MGD (2019) Potential Sites: 1.4 MGD • Carl Nielsen Youth Park • Hyperion • LAX Irrigation • Loyola Marymount University • Playa Vista Sites (113) • Scattergood Generation Station • Manchester Street Medians (East of Lincoln) • The Parking Spot • Westchester Golf Course • Westchester Park • Cal Portland Cement • Hyperion Irrigation Phases 3 & 4 • LAX Airport Police Facility • LAX Rent-A-Car Center • LAX Long Term Expansion • LAX North Side Area Development • LMU Expansion • Playa Vista Development Sites (4) • Scattergood Expansion • St. Bernard High School • Manchester Street Medians (West of Lincoln) • West Basin Pump Station • Westchester Council Office • Westchester High School
- 7. Multiple Barrier Treatment Train with Blackwater Source for Toilet Flushing Public restroom building 90 per cent recycle rate S. Sharvelle et al. Risk-Based Framework for the Development of Public Health Guidance for Decentralized Non-Potable Water Systems. Example Applications. Final Report. 2017
- 8. The Beautiful Foe MS2 Coliphage Virus Capsid 10 nanometers
- 9. MS2 Log10 Reduction Data [S. Sharvelle et al. (2017)] MS2 Coliphage Virus Capsid
- 10. Expected Pathogen Log10 Reduction Values (LRV05) and 10-4 infection per person year Targets Process Step Viruses Protozoa Bacteria Anaerobic reactor 0.8 0.5 0.5 Aerobic packed bed filter 1 2 1 Slow sand filtration 2 4 2 Ozonation >5 0 >4 Combined chlorine 0 0 0 Subtotal 8.8 6.5 >7.5 Log10 Reduction Targets (LRT95) 8.5 7.0 6.0 Science Synergy
- 11. The Beautiful Foe’s Friend Giardia trophozoite protozoa 10 microns
- 12. Supplemental Water Treatment Processes to Meet Protozoa Target Process Step Dose/Spec Protozoa Log10 Value (LRV05) Microfiltration 3 microns 4 UV radiation 12-13 mJ/cm2 ~3
- 13. From One Per Cent to OneWater: Purple New Deal • In 2010 Los Angeles sourced one per cent (5 MGD) from recycled water. • Last year the Westside System received one per cent (0.6 MGD) of ELWRF output. • Last year the length of purple pipe increased by one per cent (0.7 miles). Recycled Water beyond the Purple Pipe: OneWater Web. LRV distributions for various processes for toxins and pathogens. Public, standardized, managed, web-based one-stop shop. Single place for performance data, validation study reports.
- 14. New Deal Thanks for your attention!