A presentation given to Wright Patterson AFB, detailing water efficiency recommendations for the base.

1. Water Efficiency on Military Installations Curt Jawdy, PE 865-310-4727

4. I will be focusing on…

7. Little Need for Irrigation

8. The true cost of leaks

9. Leak Detection and Repair Unaccounted Water is hard to find without full metering unless it is catastrophic

12. Scale Prevention vs. Water Savings

13. Potential Cooling Tower Water Savings

14. Cisterns

18. Roof – Cistern – Cooling Tower Concept Cistern Roof Runoff Capture Cooling Tower Secondary Makeup from Base Potable Pump

25. Flexible Sizing Mass-Balance Spreadsheet

26. Utilize New Excel Optimization

33. Why worry about maintaining hydrology?

37. Stormwater Options

38. Option 1: Treat the 95% Storm

39. Volume Required to Meet the 95% Rule

40. Option 2: Replicate Hydrology

41. When in doubt….model

47. Surface Evaporation Infiltration per Green & Ampt Evapotranspiration Unsaturated Media Saturated Media Water Table per moisture relations Deep Percolation Surface Ponding Surface Ponding Runoff Surface Evaporation Runon 3’ Deep Bioretention Model for 95% Storm Infiltration per Green & Ampt Unsaturated Soil Saturated Soil Water Table per moisture relations Deep Percolation Evapotranspiration Source Area GI Facility Rainfall Rainfall

49. Overcontrol by 95% Criteria

56. Let’s talk about: Questions?