Learn the Issues
-
Fact Sheet: Multi-Stage Anaerobic Digestion
Multi-stage anaerobic digestion can achieve superior performance relative to single-stage conventional digestion for most wastewater solids
and for all loading rates. -
Fact Sheet: Land Application of Biosolids
Recycling biosolids through land application serves several purposes. It improves soil properties, such as texture and water holding capacity, which make conditions more favorable for root growth and increases the drought tolerance of vegetation.
-
Fact Sheet: In-Vessel Composting of Biosolids
In-vessel composting occurs within a contained vessel, enabling the operator to maintain closer control over the process in comparison with other
composting methods. -
Fact Sheet: Centrifuge Thickening and Dewatering
Dewatering removes water and produces a drier material referred to as “cake” which varies in consistency.
-
Fact Sheet: Gravity Thickening
Fact sheet regarding thickening of solids
-
Fact Sheet: Belt Filter Press
Belt filter presses can be used to dewater most biosolids generated at municipal wastewater treatment plants and are a common type of mechanical dewatering equipment.
-
Fact Sheet: Alkaline Stabilization of Biosolids
Stabilization of biosolids helps to minimize the potential for odor generation, destroys pathogens (disease causing organisms), and reduces the material’s vector attraction potential.
-
Fact Sheet: Use of Composting for Biosolids Management
Biosolids Technology Fact Sheet on Use of Composting of Biosolids Management
-
Biosolids Recycling: Beneficial Technology for a Better Environment
This booklet briefly discusses important aspects of the Part 503 Standards for the Use or Disposal of Sewage Sludge
-
Basic Information about Sewage Sludge and Biosolids
Context for how biosolids and sewage sludge relate to each other, and how regulations provide a framework for use or disposal.
-
Examples of Equivalent Processes: PFRP and PSRP
Equivalent Processes: PFRP and PSRP
-
TMDL for temperature in the Columbia and lower Snake Rivers
Total Maximum Daily Load (TMDL) for temperature in the mainstem Columbia and lower Snake Rivers.
-
EPA in Oregon
Environmental Information, hot topics, and public notices about EPA in Oregon.
-
Health of the Salish Sea Ecosystem Report
The Health of the Salish Sea Report is a collaboration between the U.S. and Canada to examine the health of our shared Salish Sea ecosystem.
-
J.H. Baxter Superfund site in Oregon
Information about EPA's contamination and cleanup investigation at the J.H. Baxter & Co. wood treating facility in Eugene, Oregon.
-
Proposed or New Rules, Policies, and Guidance Affecting Agriculture
Requirements, policies, and guidance related to the agricultural community that EPA is proposing. Comments are solicited from the public before EPA issues final versions.
-
Agriculture
The EPA Agriculture Resource Directory offers comprehensive, easy-to-understand information about environmental stewardship on farms and ranches; commonsense, flexible approaches that are both environmentally protective and agriculturally sound.
-
Agriculture News and Alerts
News releases, reports, and other documents from around EPA that are of interest or direct importance to the environmental management or compliance efforts of the agricultural community.
-
Proposed penalty of $1,200.00 against M-B Companies, Inc.
The EPA Region 3 proposes a penalty of $1,200.00 against M-B Companies, Inc. for violations of the Clean Water Act at Respondent’s Facility located at 95 Blessing Drive, Muncy, Pennsylvania 17756.
-
WIIN Act Section 2104: Assistance for Small and Disadvantaged Communities Tribal Grant Program Implementation Document
This document describes eligibility and requirements under the Assistance for Small and Disadvantaged Communities Tribal Grant Program.