- I. Shiklomanov. (1993) Water in Crisis: A Guide to the World’s Freshwater Resources. Oxford University Press, pp. 13.
- Supply Concerns Continue, and Uncertainties Complicate Planning. (2014). U.S Government Accountability Office.
- United States Environmental Protection Agency. (2016). WaterSense. www3.epa.gov/watersense/index.html
- "OECD Glossary of Statistical Terms - Water Conservation Definition." OECD Glossary of Statistical Terms - Water Conservation Definition. N.p., 25 Sept. 2001. Web. 12 May 2016. <https://stats.oecd.org/glossary/detail.asp?ID=2903>.
- Dautremont-Smith, Julian. "How Do Campus Sustainability Initiatives Affect College Admissions? | Association for the Advancement of Sustainability in Higher Education (AASHE)." How Do Campus Sustainability Initiatives Affect College Admissions? | Association for the Advancement of Sustainability in Higher Education (AASHE). The Association for the Advancement of Sustainability in Higher Education (AASHE), 2 Mar. 2009. Web. 12 May 2016. <http://www.aashe.org/blog/how-do-campus-sustainability-initiatives-affect-college-admissions>.
- Zhu, Qiang; et al. (2015). Rainwater Harvesting for Agriculture and Water Supply. Beijing: Springer. p. 20.
- Jenkins, Joseph. "Build a Rainwater Harvesting System." Mother Earth News. Ogden Publications INC., Aug.-Sept. 2005. Web. 26 Apr.
- "Texas Rainwater Harvesting Laws." Texas Rainwater Harvesting Laws. N.p., Apr.-May 2011. Web. 26 Apr. 2016. <http://catchtexasrain.com/TexasStatuteLinks.html>.
- "Rainwater Harvesting (Urban)." Sustainable Sanitation and Water Management Toolbox. N.p., n.d. Web. 26 Apr. 2016.
- "First Flush Water Diverter for Rainwater Harvesting." North American Rain Systems. N.p., n.d. Web. 26 Apr. 2016
- Rainwater Harvesting Potential and Guidelines for Texas Report to the 80th Legislature. Austin, TX: Texas Water Development Board, 2006. Web. <http://www.twdb.texas.gov/innovativewater/rainwater/doc/RainwaterCommitteeFinalReport.pdf>.
- "Gutter Guards Feature Stainless Steel Micro Mesh." Luxury Housing Trends. N.p., n.d. Web. 26 Apr. 2016. <http://www.luxuryhousingtrends.com/archive/2008/10/gutter-guards-f/>.
- Arroyo, Jorge A. "Rainwater Harvesting." SpringerReference (n.d.): n. pag. Rainwater Harvesting Training. Texas Water Development Board. Web.
- "Centrifugal Pumps Information." IHS Engineering360. N.p., n.d. Web. 26 Apr. 2016. <http://www.globalspec.com/learnmore/flow_transfer_control/pumps/centrifugal_pumps>
- "SPECIALTY PUMPS." Specialty Pumps. Web. 26 Apr. 2016. <http://www.pumpfundamentals.com/pump_specialty.htm>.
- Webmaster, HGX. "National Weather Service Weather Forecast Office."Climate_iah_normals_summary. National Weather Service, n.d. Web. 26 Apr. 2016. <http://www.srh.noaa.gov/hgx/?n=climate_iah_normals_summary>.
- "Projects Under Construction." - University of Houston. Web. 26 Apr. 2016. http://www.uh.edu/facilities-planning-construction/projects/under-construction/
- "University of Houston Reports." University of Houston. Association for the Advancement of Sustainability in Higher Education, n.d. Web. 27 Apr. 2016. <https://stars.aashe.org/institutions/university-of-houston-university-park-tx/report/>.
- Rainwater Harvesting Cost and Considerations. LANDTECH, 2013. Web.
- M.A. Maupin, J.F. Kenny, S.S. Hutson, J.K. Lovelace, N.L. Barber, and K.S. Linsey. (2014) Estimated Use of Water in the United States in 2010. U.S. Department of the Interior, U.S. Geological Survey.
- United States Environmental Protection Agency. (2016). WaterSense. www3.epa.gov/watersense/index.html.
- University of Houston. Grounds Services. www.uh.edu/facilities-services/services/grounds-services/
- Y. Tsai, S. Cohen, and R.M. Voge. (2011). The Impacts of Water Conservation Strategies on Water Use: Four Case. American Water Resource Association, Vol. 47 (4), pp. 687-701
- United States Environmental Protection Agency. (2016). WaterSense Labeled Weather-Based Irrigation Controllers. www3.epa.gov/watersense/docs/irrigation_controller_rpt_minireport_508.pdf
- University of Houston Master Construction Specifications. (2016). Section 328400: Landscape Irrigation.
- University of Houston main campus. 29o43’36.71” N and 95o20’32.35” W (2016). Google Earth.
- Western Regional Climate Center. Period of Record Monthly Climate Summary – Ipswich, Massachusetts (193876). www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ma3876
- National Oceanic and Atmospheric Administration. (2016). Houston Extremes, Normals and Annual Summaries. National Weather Service Weather Forecast Office. www.srh.noaa.gov/hgx/?n=climate_iah_normals_summary
- Rehm, Curran "Permaculture Design, LLC | Houston, Texas | 713-206-2400." Permaculture Design, LLC | Houston, Texas | 713-206-2400. Personal Interview. 16 April 2016.
- "Plant Search." Search The Native Texas Plant Database. Web. 16 April 2016.
- K.A. Sovocool, M. Morgan, D. Bennett. (2006). In Depth Investigation of Xeriscape as a Water Conservative Measure. American Water Works Association Journal, Vol. 98 (2), pp. 82-93.
- S. C. K. Chui. (2014). Visual attractiveness versus water conservation in front yard preferences in the context of drought in Melbourne, Australia. Australian Journal of Water Resources, Vol. 18 (1), pp. 85-97
- "Water-Efficient Plumbing Fixtures." National Conference of State Legislature, Nov.-Dec. 2015. Web. <http://www.ncsl.org/research/environment-and-natural-resources/water-efficient-plumbing-fixtures635433474.aspx>
- "Toilet Fixtures Introduction." Toilet Fixtures Introduction. Web. 11 Feb. 2016. <http://www.allianceforwaterefficiency.org/toilet_fixtures.aspx>.
- Waterless Urinals Report and Evaluation. Boston, MA: Industrial Economics, 2008. Web.
- "Water Conservation/Efficiency." Waterless. Web. 11 May 2016. <http://www.waterless.com/2125/>.
- Water Conservation Education Programs. (2007). Georgia Environmental Protection Division, Watershed Protection Branch.