WERF | Decentralized Systems

Study Finds Methane Emissions from Septic Systems Lower than Previous Estimates
Findings from a recently completed WERF research study show that greenhouse gas emissions from septic tanks may be significantly lower than previous estimates.

Preview of Nutrients Compendium Report Provides Greenhouse Gas Emissions Guidance
WERF is providing a preview of the Biological Nutrient Removal and Greenhouse Gases Compendium, which provides municipal wastewater treatment facilities with new information on potential green house gas emissions from wastewater treatment.

New Information on Nitrous Oxide Emission Pathways from Biological Nutrient Removal Processes
The first large-scale survey of 12 plants across the U.S., led by Columbia University scientists under a WERF project (U4R07) challenges the current U.S. Environmental Protection Agency approach for assessing N2O emissions from such plants.

WERF Case Study Features One of Europe's Top Wastewater Treatment Plants
This free case study features the best practices of the Strass wastewater treatment plant near Innsbruck, Austria -- a facility that produces more energy than it requires for operations.

Video Features New Technology Used to Measure Greenhouse Gases
View a WERF video demonstrating how new technologies and protocols are being used to measure greenhouse gases from nutrient removal processes.

Website Helps Coastal Communities Adapt to Climate Change
The National Oceanic and Atmospheric Administration website offers case studies and other information to help coastal communities adapt to the impacts of climate change.

Researchers Distribute Protocol for Nitrous Oxide Emissions from BNR Facilities
WERF Principal Investigator Dr. Kartik Chandran in July conducted a field demonstration of the equipment necessary to measure the flux of nitrous oxide emissions from biological nutrient removal (BNR) process tanks.

WERF Research Closes Knowledge Gaps on Fugitive Greenhouse Gases
A suite of ongoing projects looks for new ways to accurately assess greenhouse gas emissions from wastewater treatment plants and onsite systems.

Save Energy and Reduce Your Carbon Footprint
WERF is conducting and coordinating with other research organizations on numerous energy efficiency and carbon footprint minimization project. These projects are part of our Operations Optimization research program.

Congress Examines Energy Sustainability for Wastewater Treatment
WERF and WEF ask congressional committee to support programs that will increase the energy efficiencies of WWTPs.

Water Environment Research Foundation
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635 Slaters Lane, Suite G-110
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Alexandria, VA 22314
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571.384.2100
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WERF research examines the social, economic, and environmental aspects of challenges confronting wastewater and stormwater facilities.