Science & Technology
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Stream Behavior and Response to Disturbance
General Stream Principles including stream behavior and response to disturbance
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West Virginia and Kentucky HGM Stream Assessment: Development, Validation and Outcomes
West Virginia and Kentucky HGM Stream Assessment Development Validation: Development, Validation, and Outcomes Status Report
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Natural Stream Channel Design Techniques and Review
Need for a Review Checklist: Stream restoration problems include; design complexity, many different design methodologies, inconsistency in design deliverables, communication difficulties, many failed projects
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Regional Curve Development and Use in Stream Restoration and Hydrologic Assessment in High Gradient Headwater Streams
Introduction to Regional Curves including; regressions relating bankfull channel
characteristics to drainage area, providing estimates of bankfull discharge and channel geometry, validating the selection of the bankfull channel as determined in the field -
Functional Objectives for Stream Restoration under CWA Section 404
Functional Objectives for Stream Restoration and the Stream Functions Pyramid
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Stream Functions Pyramid
Functional Objectives for Stream Restoration and the Stream Functions Pyramid
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Investigating and Acquiring Mitigation Sites under CWA Section 404
Presentation by International Coal Group on what makes a great mitigation site.
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EPA Returns Chemical Company to Compliance with Toxic Substances Control Act
Action Ensures Transparency Regarding Potentially Harmful Chemicals in Commerce
EPA is announcing a settlement with an international agribusiness company for claims of violations of the Toxic Substances Control Act (TSCA) at its facilities in California and Washington.
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Bristol Bay
Information about EPA's efforts to study and protect the Bristol Bay fishery from potential impacts of large-scale mining operations.
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Epidemiology and Health Effects of Cyanobacteria Research
harmful algal bloom and cyanobacteria research related to epidemiology and health effects
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MODFLOW Instructional Manual
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Webinar: Landfill Gas Electricity Power Purchase Agreement Ending Soon? Learn What You Can Do
LMOP webinar on June 13, 2023 about options for landfill gas electricity project owners with an expiring power purchase agreement.
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Hydrofluorocarbons (HFCs)
The American Innovation and Manufacturing (AIM) Act outlines new requirements for listed hydrofluorocarbons (HFCs). This site will inform the public of the phasedown of HFCs as well as serve as a platform for stakeholder engagement.
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BOSC Reports and ORD Responses
BOSC Reports and ORD Responses.
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Air Climate and Energy Research Program Overview
This presentation provides an overview and background information on EPA’s Air and Energy Research Program, including priorities, partners, resources and current research.
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Chesapeake Bay TMDL 2012-2013 Milestones for Pennsylvania
This page provides the 2012-2013 programmatic milestones for Pennsylvania. These milestones are a part of the Chesapeake Bay TMDL and aim to help restoration of the Chesapeake Bay.
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Campus RainWorks Challenge
The Campus RainWorks Challenge is a green infrastructure design competition for American colleges and universities.
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WhAEM2000 BBM Files - Capulin Mountain, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Capulin Mountain Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Canyon de Chelly, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Canyon de Chelly Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.
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WhAEM2000 BBM Files - Belen, New Mexico
WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Belen Quadrangle, New Mexico. Files serve as geographic basis for groundwater modeling.