1. Estimated Use of Water in the United States in 2010;Maupin,2014
2. High-level Expert Forum - How to Feed the World in 2050. Global Agriculture Towards 2050,2009
3. Primer for Municipal Wastewater Treatment Systems;EPA,2004
4. Water Reuse: Potential for Expanding the Nation’s Water Supply Through Reuse of Municipal Wastewater;Council,2012
5. 2012 Guidelines for Water Reuse;EPA,2012