PDF version
This investigation will help you to:
How is drinking water treated? EPA
- To learn more about how our drinking water in this country is protected read, "Drinking Water Treatment." (pdf file)
- To learn more about how the process of treating drinking water has evolved over time read, "The History of Drinking Water Treatment." (pdf file)
Wastewater Treatment, Humbolt State University
Flow through the waste water treatment process as told by a drop of water.