Reports and Studies

View research reports, wastewater treatment facility capabilities, and more for additional information about the environmental benefits of disposers.

• WERF Research Update: Sustainability Is More than a Buzzword for Wastewater Treatment Insights on how utilities can increase or reuse sludge, nutrients, methane, and treated wastewater.  more...

• NAHB Research Center: Food Waste Disposers Included in National Green Building Standard Installation of disposers contribute one point towards achievement of the National Green Building Standard, the ICC/ANSI-approved residential green building rating system.  more...

• U.S. Wastewater Treatment Plant Capabilities Provided below is a partial listing of U.S. wastewater treatment plants and their associated capabilities based on information collected from the listed facilities' websites. For the most complete, accurate, and up-to-date information, please check with your local wastewater authority.  more...

• University of Wisconsin Study: Life Cycle Comparison of Five Engineered Systems for Managing Food Waste The National Association of Heating, Plumbing, and Cooling Contractors commissioned a life cycle comparison of five engineered systems for managing food waste. The study looked at the required land, total system energy, total system materials, total emissions to the environment, and total system costs for each method.  more...

• Summary of Research Regarding the Environmental Efficacy of Food Waste Disposers This document reviews 18 of the most recent studies conducted by universities, research institutions, and government agencies across the United States and other countries that examine the efficacy of food waste disposers. It compiles and organizes the findings regarding all facets of the sewage collection, treatment, and disposal process.  more...