2. Primary Clarifier = Settling and Filtration ScumSludge Suspended Solids Bar Screens = mechanical removal Trash goes to landfill

3. Aeration Basin Microorganisms

4. Ultraviolet Disinfection Secondary Clarifier

5. Solids break down in Digester methane produced Biosolids applied to farm as soil ammendment

6. Waste to Energy examples

7. Green buildings Green roofs Geothermal heat and effluent heat exchangers Graywater system for toilets & stormwater collection systems

8. 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?

9. More information at: The Boise WaterShed Education Center 11818 W. Joplin Road (near the intersection of Cloverdale and Chinden Blvd.) www.BoiseEnvironmentalEducation.org