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

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Presentation transcript:

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

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

GROUND WATER SYSTEM Well No Treatment

Well With Chlorinator

Aeration

Membrane Filtration

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

Filling the Reservoirs

Drawing Down the Reservoirs

LARGE SURFACE WATER SYSTEM

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

Elevated Storage Storage Plant & Clearwell Booster Station

Diesel Fire Pumps

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

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

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

LAGOONS

AERATED LAGOON

Basic Activated Sludge

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

LAND APPLICATION

Questions? Tom Plouff, P.E. USEPA Region 4, Atlanta

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