disclosed are wastewater treatment systems and methods of treating wastewater . in particular , this disclosure provides a method of lowering the biological oxygen demand , total nitrogen , total suspended solids , and phosphorous within wastewater containing human excrements . in addition to improving the quality of the wastewater on a per liter basis , this disclosure also provides methods and systems that reduce the absolute quantity of total nitrogen , total suspended solids , and phosphorous released into the environment through effluent . the disclosed methods and systems also provide ways of reintroducing water into the environment .