1. Southeast Energy/Water Interdependence Exercise Basic Drinking Water Treatment EPA-R4 Drinking Water Section April 25, 2007

2. Where do we get our Drinking Water? Rivers & Streams Lakes & Reservoirs Ground Water Well

3. GROUND WATER SYSTEM Well No Treatment

4. Well With Chlorinator

5. Aeration

8. Membrane Filtration

10. Components of a Typical SW Public Water System Source Treatment Storage Distribution

11. Filling the Reservoirs

12. Drawing Down the Reservoirs

13. LARGE SURFACE WATER SYSTEM

14. Pump Station Sedimentation Flocculation Rapid Mix Chemical Addition Filters Clear Well/Detention Disinfectant Addition Source

15. Elevated Storage Storage Plant & Clearwell Booster Station

16. Diesel Fire Pumps

17. The Drinking Water Cycle Water System Distribution System Sewer Lines Wastewater Plant Discharge Homes or Businesses Septic System Infiltration Source (aquifer, lake, etc.)

19. Southeast Energy/Water Interdependence Exercise Basic Wastewater Treatment EPA-R4 Drinking Water Section April 25, 2007

20. LOW TECH WASTEWATER TREATMENT Low Tech & Low Energy Wastewater Disposal System

21. LAGOONS

22. AERATED LAGOON

23. Basic Activated Sludge

28. Flow Diagram of Adv. Treatment Unit Processes Screens Grit Primary Clarifiers Attached/ Suspended Growth Secondary Clarifiers Sand Filters/ Polishing Chlorine UV Ozone Preliminary Treatment Primary Treatment Secondary Treatment Tertiary Treatment Disinfection/ Post Aeration Biological ProcessPhysical Processes Physical/ Chemical Processes

29. LAND APPLICATION

30. Questions? Tom Plouff, P.E. USEPA Region 4, Atlanta 404.562.9476 plouff.tom@epa.gov