This web site, by HowStuffWorks.com, gives a complete explanation with pictures and diagrams of septic systems and waste water treatment plants and how they work. Also explains why one system may be chosen instead of the...

Wastewater Management: EPA's page from the Office of Wastewater Management (OWM) contains many articles focusing on control of water that is collected in discrete conveyances (also called point sources), including pipes,...

Water-technology.net web site for the water industry contains links to many sites for detailed information on industrial and municipal wastewater treatment plants as well as water supply and transmission. Also find...