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resources iconRESOURCES: Biosolids & Recycled Water Committee

Publication / Resource Title Description
ACWA Biosolids Media Guide, 4/2013 (PDF, 2,557 kb) Facing a television camera or radio interview about biosolids? Use this media guide to effectively avoid the ‘yuck factor' and communicate clearly on biosolids issues; practice good answers to questions you are likely to be asked.
ACWA Septage Survey Report 3/13 (PDF, 123 kb)

This report summarizes ACWA member practices and pricing, as of January 2013, for accepting septage. Utility managers may want to review the report to compare their utilities practices and fee schedules.

Best Practices for Reducing Odors–Wastewater Treatment Plants & Bioslids Land Application Sites 12/13 (PDF, 602 kb)

This one-page flyer summarizes best practices for establishing system for tracking and responding to odor complaints, along with outlining potential odor sources and solutions at treatment plants and biosolids land application sites.
Biosolids Fact Sheet, 3/2012 (PDF, 1.4 mb) Set out in question and answer format, this detailed fact sheet reviews biosolids management programs in Oregon, including the federal and state regulations. Information is provided on the agricultural benefits of biosolids as a sustainable substitute for petroleum-based fertilizers. Good handout for councils, commissions, and neighbors to land application sites.
Calculating Biosolids Application Rates (Excel, 64 kb)

Use this spreadsheet, developed by Oregon State University, to calculate the biosolids land applicatiojn rates given the specifics of your biosolids quality and sites selected for land application.  Gather your biosolids analytical data (i.e. Total N, NH4, NO3, % solids), specific site information such as crops grown, 5-year history of biosolids and fertilizer application, and soil NO3 data (especially for eastern Oregon sites).

Fertilizing with Biosolids (PDF, 1.19MB)

This publication focuses on how biosolids can be used to supply nutrients for crop production. Other aspects of biosolids utilization are addressed briefly, including:
• Biosolids quality factors (trace element concentrations and
pathogen levels)
• Applicable regulations
• Questions about biosolids safety and application practices

Managing Nitrogen from Biosolids
Washington Department of Ecology, 6/99

In 1993, the Washington State Department of Ecology (Ecology) published the first draft of Biosolids Management Guidelines (WDOE 93-80). These guidelines provided a much needed approach for determining biosolids application rates.

After release of the draft, it was recognized that even more comprehensive information and guidance on biosolids nitrogen management would be useful. A strong and cooperative working relationship between Ecology, the Northwest Biosolids Management Association, and universities in the Pacific Northwest presented an ideal opportunity for compiling existing information on nitrogen in biosolids and combining it with the most current scientific knowledge on the behavior of nitrogen in the environment.

Natural Treatment Systems—A Match for Oregon’s Cities and Towns
ACWA/DEQ 7/15
This report inventories a variety of natural treatment systems being used in Oregon including tree farms, wetlands, indirect discharge and water quality trading. Pollutant removal characteristics and siting considerations are summarized.
Web Soil Survey (Natural Resources Conservation Service)

Web Soil Survey (WSS) provides soil data and information produced by the National Cooperative Soil Survey. It is operated by the USDA Natural Resources Conservation Service (NRCS) and provides access to the largest natural resource information system in the world. NRCS has soil maps and data available online for more than 95 percent of the nation’s counties and anticipates having 100 percent in the near future. The site is updated and maintained online as the single authoritative source of soil survey information.



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