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  • 1. “The Cost of Capacity” Troy Aichele Aichele and Associates, LLC October 7, 2010
  • 2. The Cost of Water and Sewer (per 100 Gallons) Olympia, WA: $1.00 El Paso, TX: $0.60 Boston, MA: $1.05 San Diego, CA: $1.38 Geneva, Switzerland: $1.95 Glasgow, UK: $2.86Source: “The World’s Water 2008-2009” by Peter H. Gleick
  • 3. U.S. / World Population1960: 179 Million / 3.04 Billion2010: 308 Million / 6.80 Billion
  • 4. U.S. Water Footprint(per person/per day): 70-100 GPD
  • 5. Annapurna
  • 6. The Cost of Capacity
  • 7. How is Cost of Capacity Calculated?
  • 8. Cost of Creating: New Water Capacity New Water Treatment Capacity New Nega-Gallon / Conservation Capacity
  • 9. Calculation Parameters• Cost comparisons are for illustration purposes only to demonstrate the concept of capacity cost relativity. Case-by-case cost comparisons will need to be made in your area for all presented alternatives as costs can vary drastically region by region.• We are only comparing costs (per gallon/day) of: – New water creation capacity – New water treatment capacity – New nega-gallon / conservation capacity
  • 10. Drilling New Water Wells Cowlitz County, WA Cost: $38.7 Million* Capacity: 10-20 Million GPD Cost of Capacity: $1.93 - $3.87
  • 11. Reclaimed Water (Purple Pipe) Approximate Cost: $10-$20M* Capacity Goal: 250,000 GPD Cost of Capacity: $40 - $80
  • 12. Rainwater CollectionResidentialCost: $10,000Capacity: 180 GPDCost of Capacity: $55.55
  • 13. Greywater SystemsResidential and CommercialCost: $523Capacity: 5.0 GPDCost of Capacity: $104.60
  • 14. Aquifer Storage and Recovery Wichita, KS Cost: $27 Million Capacity: 958,904 GPD Cost of Capacity: $28.15
  • 15. DesalinationSydney, AustraliaCost: $1,495 MillionCapacity: 66 MGDCost of Capacity: $22.65
  • 16. Cost of Creating: New Water Capacity New Water Treatment Capacity New Nega-Gallon / Conservation Capacity
  • 17. Waste Water Treatment Plant IBrightwaterCost: $1.84 BillionCapacity: 36 Million GPDCost of Capacity: $51.11
  • 18. Waste Water Treatment Plant IIHawks Prairie EstimateCost: $99.4 MillionCapacity: 5 Million GPDCost of Capacity: $19.88
  • 19. On-Site Waste Water TreatmentIslandwoodCost: $100,000 - $150,000Capacity: 3,000 GPDCost of Capacity: $33.00 - $50.00
  • 20. Sewer Mining
  • 21. Cost of Creating: New Water Capacity New Water Treatment Capacity New Nega-Gallon / Conservation Capacity
  • 22. Dual Flush FlushometersCommercialCost: $644Capacity: 26.8 GPDCost of Capacity: $24.02
  • 23. Dual-Flush Flushometer Retrofit Kits Commercial Cost: $111 Capacity: 6.4 GPD Cost of Capacity: $17.34
  • 24. 1.28 / 0.8 GPF Tank-Type Water ClosetsCommercialCost: $658Capacity: 30.48 GPDCost of Capacity: $21.60
  • 25. Tank-Type Water Closet Dual Flushometer Retrofit Kits Commercial Cost: $110 Capacity: 6.4 GPD Cost of Capacity: $17.18
  • 26. Pint UrinalsCommercialCost: $1,330Capacity: 27.4 GPDCost of Capacity: $48.54
  • 27. High Efficiency Shower HeadsResidential / Commercial:Cost: $78Capacity: 10.0 GPDCost of Capacity: $7.80
  • 28. High Efficiency FaucetsResidential / Commercial:Cost: $65Capacity: 4.0 GPDCost of Capacity: $16.25
  • 29. Cost of Creating: New Water Capacity New Water Treatment Capacity New Nega-Gallon Capacity
  • 30. A better comparison: (New Water Capacity + New Water Treatment Capacity) vs. ____% New Nega- Gallon Capacity
  • 31. Time Frame Considerations• Purple Piping Systems: 6-10 Years• WWTP: 6-10 Years• Desalination: 6-10 Years• Aquifer Recovery and Storage: 5 Years• New Wells: 1-5 Years• Nega-Gallon Construction: 1-6 Months