Other
Extox Net Fa Qs: Water Treatment
Discusses many options of water treatment, the contaminants that the treatments are focused on, how the treatment works, and common treatment systems.
PBS
Pbs News Hour: Water Recycling
PBS and the Online NewsHour have created this multimedia website about water recycling. You can see how this process is different than other waste water treatments by reading interviews, watching a slideshow or investigating a map of...