Primary Clarifier = Settling and Filtration

Scum Sludge

Suspended Solids

Bar Screens = mechanical removalTrash goes to landfill

Aeration Basin

Microorganisms

Ultraviolet Disinfection

Secondary Clarifier

Solids break down in Digester methane produced

Biosolids applied to farm as soil ammendment

Waste to Energy examples

Green buildings

Green roofs

Geothermal heat and effluent heat exchangers

Graywater system for toilets & stormwater collection systems

Questions to consider

• Can you use water to create energy?• Where should you build industries that use a

lot of water?• What are the advantages of centralized vs.

decentralized water treatment facilities?• How can you clean and reuse water on-site?• How can you use rain water and runoff on-

site?

More information at:The Boise WaterShed Education Center

11818 W. Joplin Road

(near the intersection of Cloverdale and Chinden Blvd.)

www.BoiseEnvironmentalEducation.org