Water Reuse Links

Disclaimer: Links to and information about Web sites outside the TWDB are provided solely for the convenience of the user and do not constitute an official endorsement of the information, products, or services contained therein.

Government Agencies


  • National Science Foundation
    The National Science Foundation (NSF) is an independent federal agency created by Congress in 1950 "to promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense."
  • U.S. Agency for International Development
    President John. F. Kennedy created the United States Agency for International Development by executive order in 1961 to extend a helping hand to people overseas struggling to make a better life.
  • U.S. Bureau of Reclamation
    The USBOR's WaTER Group provides expert water and wastewater treatment engineering and research technical services.
  • U.S. Environmental Protection Agency
    The mission of the U.S. Environmental Protection Agency is to protect human health and the environment.
  • U.S. Geological Survey
    The U.S. Geological Survey is a science organization that provides impartial information on the health of the nation's ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.
  • World Health Organization
    WHO's primary role is to direct and coordinate international health within the United Nations system. Our main areas of work are health systems; health through the life-course; noncommunicable and communicable diseases; preparedness, surveillance and response; and corporate services.

State and Local


  • American Water Resources Association
    An international organization dedicated to increasing the beneficial use of recycled water.
  • American Water Works Association
    AWWA is the largest water supply professional organization in the world and is an authoritative source of knowledge, information, and advocacy to improve the quality and supply of drinking water worldwide.
  • Bluefield Research
    Bluefield Research is an independent advisory firm that was founded to help utilities, companies, and organizations address the challenges in water.
  • Water Research Foundation
    The Water Research Foundation is a member-supported international non-profit organization that sponsors research to enable water utilities, public health agencies, and other professionals provide safe and affordable drinking water.
  • Global Water Research Coalition
    The GWRC is a 12-member international alliance offering water research information and knowledge to its members with a focus on water supply, wastewater, and renewable water resources.
  • International Water Association
    IWA is comprised of leading water professionals in science, research, technology and practice.
  • Mesothelioma Center
    The Mesothelioma Center at Asbestos.com is the nation's most trusted mesothelioma resource. Our core purpose is advocacy, awareness and connecting people to the best mesothelioma resources.There are an increasing number of ways that drinking water can become contaminated with asbestos and other toxins. It’s more important than ever to learn what regulations are in place to protect your health and what can be done to purify the water.
  • National Water Research Institute
    NWRI is a nonprofit that collaborates with water utilities, regulators, and researchers in innovative ways to help develop new, healthy sources of drinking water.
  • Water Education Foundation
    WEF is an impartial non-profit organization, dedicated to creating a better understanding of water issues and helping to resolve water resource problems through educational programs.
  • Water Environment Association of Texas
    WEAT is an association of water professionals, practitioners, operations specialists, and public officials working together for professional growth and development, and to educate the public on water issues.
  • Water Environment Federation
    The Water Environment Federation is a not-for-profit technical and educational organization with a vision of preserving and enhancing the global water environment.
  • WateReuse Association
    The WateReuse Association is a non-profit organization whose mission is to advance the beneficial and efficient use of water resources through education, sound science, and technology using reclamation, recycling, reuse and desalination.

Academic Institutions

  • National Institutes for Water Resources
    The NIWR is a network of 54 research institutes (one institute located in every state or territory of the US) with each institute conducting basic and applied research to solve water problems unique in its area.
  • Texas Water Resources Institute
    TWRI, a member of the National Institutes for Water Resources, provides leadership for priority research and educational programs in water resources within the Texas A & M University system and throughout Texas.
  • Universities Council on Water Resources
    About 90 universities in the Unites States and throughout the world comprise the UCOWR which facilitates education, research, technology transfer, and information dissemination on contemporary and emerging water resource issues.

Useful Reference Documents

  • National Water Reuse Action Plan, U.S. Environmental Protection Agency, 2020
    The plan is a coordinated and collaborative effort across the water user community to advance consideration of water reuse to ensure the security, sustainability, and resilience of our nation’s water resources.
  • Guidance Framework for Direct Potable Reuse in Arizona, National Water Research Institute, 2018
    The purpose of this Guidance Framework is to provide recommendations on items that would be specifically addressed in the development of regulations in Arizona for direct potable reuse that are protective of public health.
  • Potable Reuse Guidance for Producing Safe Drinking-Water, World Health Organization, 2017
    This document describes how to apply appropriate management systems to produce safe drinking-water from municipal wastewater.
  • 2017 Potable Reuse Compendium, U.S. Environmental Protection Agency
    This 2017 Compendium supplements the 2012 Guidelines for Water Reuse to inform current practices and approaches in potable reuse, including those related to direct potable water reuse.
  • Risk-Based Framework for the Development of Public Health Guidance for Decentralized Non-Potable Water System, National Water Research Institute, 2017
    This report documents a risk-based framework to develop public health guidance for Decentralized Non-Potable Water (DNW) systems, which are used to collect, treat, and re-use water from local sources (e.g., roof runoff, stormwater, graywater, and wastewater) for various non-potable applications in individual buildings, neighborhoods, or districts.
  • Evaluation of the Feasibility of Developing Uniform Water Recycling Criteria for Direct Potable Reuse, National Water Research Institute, August 2016
    This report documents the efforts and outcomes of an Expert Panel that was mandated by the California Legislature to advise the State Water Resources Control Board on public health issues and scientific and technical matters regarding the feasibility of developing uniform water recycling criteria for direct potable reuse.
  • Recommendations of the Advisory Group on the Feasibility of Developing Uniform Water Recycling Criteria for Direct Potable Reuse, National Water Research Institute, June 2016
  • Framework for Direct Potable Reuse, National Water Research Institute, 2015
    This document is the result of a collaborative effort between WateReuse, the American Water Works Association, and the Water Environment Federation with the support of an independent advisory panel administered by the National Water Research Institute. The panel convened over a period of almost two years to give state and other governmental bodies the information they need to make informed decisions on how to pursue a direct potable reuse program.
  • 2012 Guidelines for Water Reuse, U.S. Environmental Protection Agency
    The document's primary purpose is to facilitate further development of water reuse by serving as an authoritative reference on water reuse practices. It updates and builds on the 2004 Guidelines for Water Reuse by incorporating information on water reuse that has been developed since the 2004 document was issued.
  • Direct Potable Reuse: A Path Forward, WateReuse Association, 2011
    This report provides a general overview of current knowledge related to direct potable reuse (DPR), and identifies the information that needs to be developed through targeted studies to inform the stakeholders regarding the feasibility of implementing DPR as a viable water supply management option.
  • Water Reuse: Potential for Expanding the Nation's Water Supply Through Reuse of Municipal Wastewater, National Academy of Sciences, 2012
    The report provides a comprehensive assessment of technical, economic, social, and regulatory issues associated with both potable and non-potable reuse.