Knowledge Area: Biosolids

Our Objective

WERF will provide broadly applicable, user-friendly pathogen risk assessment and risk communications methodologies to its subscribers and local, state, and national officials to support evaluations and decisions regarding biosolids land application practices.

Alan Hais, PE, BCEE
ahais@werf.org

+ Biosolids Summit Priority Projects

+ Get the Biosolids Sampling Guide

+ Get Free Biosolids Reports

Workshop to Address Land-Applied Biosolids Issues
The North Carolina American Water Works Association and North Carolina Water Environment Association are conducting the seminar Assessing Risks and Effective Communication of Land Applied Biosolids, on Sep. 14, 2010 in Clemmons, N.C.

The Latest WERF Biosolids Research Featured at WEFTEC 2010
Subscribers can learn about the latest WERF research on biosolids odors and sudden increases in biosolids indicator organisms during a related WEF/WERF workshop at WEFTEC on Saturday, Oct. 2, 2010 in New Orleans.

WERF Research Sheds New Light on Fate of Trace Organics in Wastewater Treatment
Researchers for a recently completed WERF project have identified key baseline information concerning the estrogenicity and concentrations of individual trace organic compounds during common wastewater treatment processes.

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E-Beam Irradiation: The Future of Disinfection?
The vision of future wastewater treatment plants is one of high-value resource recovery operations rather than just locations for the treatment and disposal of municipal wastes.

Research Provides Clarity on Questions of Pathogens and Sudden Increase of Indicators in Biosolids
A follow-up study of biosolids dewatering processes and the potential increase of indicator organisms finds no evidence of a sudden increase in pathogens such as Salmonella. Download the executive summary.

A Dynamic Model to Assess Microbial Health Risks Associated with Beneficial Uses of Biosolids: Phase 1
Find out about a methodology to assess risks to human health from pathogens in biosolids. Order this full report online, or download an executive summary.

Research Digest: Use of Risk Assessment to Evaluate Human Health Risks Associated with Pathogens in Biosolids
Order this full report summarizing findings from both phases of this WERF project.

Examination of Reactivation of Fecal Coliforms in Anaerobically Digested Biosolids
Review this research comparing the accuracy, advantages, and disadvantages of existing indicator organisms with proposed indicators in wastewater and biosolids.

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Alexandria Sanitation Authority, VA

City of Augusta - Utilities Department, GA

Butler County Department of Environmental Services, OH

Columbus Water Works, GA

District of Columbia Water & Sewer Authority, DC

Loudoun County Sanitation Authority, VA

New York City Department of Environmental Protection, NY

Orange County Sanitation District, CA

City of Philadelphia Water Department, PA

Los Angeles County Sanitation Districts, CA

Metro Wastewater Reclamation District of Denver, CO

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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email us

WERF research examines the social, economic, and environmental aspects of challenges confronting wastewater and stormwater facilities.