Science & Technology
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Aquatic Stressors that Can Potentially Cause Biological Impairment
This is a list of stressors that can potentially cause biological impairment and the source reference.
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Figure: Mechanistically Plausible Cause
Figure 4-4 illustrates the concept of the type of evidence "Mechanistically Plausible Cause"
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Figure: Evidence of Exposure or Biological Mechanism
Figure 3-4 illustrates how to derive and evaluate evidence of exposure or biological mechanism.
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Figure: Stressor-Response Relationships from Ecological Simulation Models
Figure 4-3 illustrates the concept of the type of evidence "Stressor-Response Relationships from Ecological Simulation Models"
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Figure: Analogous Stressors
Figure 4-6 illustrates the concept of the type of evidence for analogous stressors.
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Figures: Laboratory Tests of Site Media
Figures 3-8a and b illustrate the concept of the type of evidence "laboratory tests of site media".
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Figures: Temporal Sequence
Figures 3-9a and 3-9b, illustrate the temporal sequence type of evidence showing support and weakening the case.
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Figures: Manipulation of Exposure at Other Sites
These figures illustrate the concept of the type of evidence "Manipulation of Exposure at Other Sites"
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Figures: Stressor-Response Relationships from the Field
Figures 3-6a and 3-6b illustrate the concept when the impairment is more concentrated or diluted on the fish (ecosystem).
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Download TRIM.Risk
TRIM.Risk is used to integrate the information on exposure received from TRIM.FaTE or TRIM.Expo with that on dose-response or hazard assessment and to provide quantitative descriptions of risk or hazard and some of the attendant uncertainties.
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Visual Plumes
Page on Visual Plumes model system, a Windows-based software application for simulating surface water jets and plumes.
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Contacts for Los Angeles River Watershed (California)
Contacts and emails addresses for the Los Angeles River Watershed location
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EPA to Expand Environmental Performance Standard and Ecolabel Recommendations for Federal Purchasing, Including Those That Address PFAS, Embodied Carbon, and Other Administration Priorities
EPA to Expand Environmental Performance Standard and Ecolabel Recommendations for Federal Purchasing, Including Those That Address PFAS, Embodied Carbon, and Other Administration Priorities
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Water Quality Standards Regulations: Colorado
Water quality standards that are EPA-approved or in effect for Clean Water Act purposes.
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Description of Changes in Climatic Indices in USA over 25 Years (1989 – 2013)
This report concentrates on the methodology and potential future uses for long-term climate factor trends, and trends of derived climatic factors and indices.
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Tools and Resources Library
The Coalbed Methane Outreach Program (CMOP) strives to provide stakeholders with the necessary tools and resources to maximize profitable methane reductions.
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Restoration Science Resources
Links to EPA and external information resources on the restoration of wetlands and watersheds.
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AVERT Questions and Answers
Frequently asked questions about EPA's AVERT model.
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Map Design & Cartography at the EPA
This web page describes cartography best practices at the EPA
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Watershed and Wetlands Restoration Science Resources
Water and Watershed Restoration Documents and Resources