This section includes information and resources about the benefits of recycling wastewater, available technologies, and more.
NWRI Ultraviolet Disinfection Guidelines for Drinking Water and Water Reuse (Third Edition)
This 100-page document provides regulatory agencies and water and wastewater utilities with a common basis for evaluating and implementing ultraviolet (UV) disinfection, which is a water treatment technology that can inactivate or remove many waterborne pathogens. The Guidelines were revised by Dr. Robert Emerick and Dr. George Tchobanoglous in 2012. Click here for more information.
National Research Council Report on "Water Reuse: Potential for Expanding the Nation's Water Supply Through Reuse of Municipal Wastewater
This 262-page report, published in 2012, presents treatment options available to mitigate water quality issues in reclaimed water. Included arerecommended adjustments to the federal regulatory framework to enhance public health protection for both planned and unplanned reuse and increase public confidence in water reuse. Click here for more information or to purchase the report.
NWRI White Paper on "Direct Potable Reuse: Benefits for Public Water Supplies, Agriculture, the Environment, and Energy Conservation"
This 20-page NWRI White Paper (2012) focuses on the role that direct potable reuse (DPR) can have in the management of water resources in the future. Using a case study based on Southern California, the authors point out that the potential benefits accrued for agriculture, environmental preservation and enhancement, and energy conservation through the application of DPR may be even more important than its ability to provide an alternative supply of water. To download the white paper, click here.
WateReuse Report on “Direct Potable Reuse: A Path Forward”
This 102-page report identifies the information and research needed to provide a basis for the feasibly of implementing direct potable reuse (DPR) in California. Topics discussed include issues regarding public acceptance, engineering, economics, and regulations. WateReuse Research Foundation and WateReuse California published this report in 2011. Click here to download the report.
Direct Potable Reuse Workshop: Workshop Report
This 41-page report was prepared by California Urban Water Agencies, National Water Research Institute, and WateReuse California to summarize the results of a workshop held on April 26-27, 2010, for the purpose of identifying information gaps and existing barriers that need to be addressed to develop direct potable reuse regulations in California. Information gathered from this workshop is expected to help support the needs of water, wastewater, and recycled water agencies in long-term planning and in prioritizing research-related activities. To download the workshop report, click here.
NWRI White Paper on "Regulatory Aspects of Direct Potable Reuse in California"
A 32-page White Paper published by NWRI in April 2010 identifies key issues that would need to be addressed by regulatory agencies and utilities in California interested in pursuing direct potable reuse as a viable option to satisfy future water demands. To download the NWRI White Paper, click here.
NWRI White Paper on "Views on the Status of Water Recycling 2030"
The 2009 NWRI White Paper on "Views of the Status of Water Recycling 2030: Recommendations of California's Recycled Water Task Force"provides a review of stakeholder opinions regarding implementation of recommendations made the 2003 Task Force Report, lessons learned, obstacles, new issues and others. Click here to download the white paper.