Learn the Issues
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Sewersheds
Water Infrastructure and Capacity Assessment Tool
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Site History
History of industrial use and health risks from legacy contamination at the Wyckoff Eagle Harbor Superfund site.
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Indicators Used in the National Aquatic Resource Surveys
National Aquatic Resource Surveys use biological, physical, chemical and recreational indicators of water quality.
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Clean Watersheds Needs Survey
The Clean Watershed Needs Survey is a national assessment of the future capital cost for publicly owned wastewater collection and treatment facilities to meet the Clean Water Act's water quality goals.
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Indicators: Macrophytes
Macrophytes are aquatic plants growing in or near water. They may be either emergent (i.e., with upright portions above the water surface), submerged, or floating. Examples of macrophytes include cattails, hydrilla, water hyacinth, and duckweed.
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National Rivers and Streams Assessment 2008-2009 Report
PDF of the NRSA 2008-2009 final report
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Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2019
View or download the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2019, including individual chapters and annexes.
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EPA Approves New WIFIA Loans to Strengthen Drinking Water and Wastewater Infrastructure in Oregon and Washington
EPA is announcing its approval of three Water Infrastructure Finance and Innovation Act (WIFIA) loans totaling $240 million to improve vital water infrastructure.
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Amendments to the List of Hazardous Air Pollutants (HAP) of Section 112(b) of the Clean Air Act (CAA)
Amendments to the List of Hazardous Air Pollutants (HAP) of Section 112(b) of the Clean Air Act (CAA)
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Initial List of Hazardous Air Pollutants with Modifications
Initial List of Hazardous Air Pollutants with Modifications
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U.S. Government’s International Methane Mitigation Activities: 2021 Accomplishments
The U.S. Government’s Global Methane Initiative Accomplishments ANNUAL REPORT (2021)
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U.S. Government’s International Methane Mitigation Activities: 2020 Accomplishments
The U.S. Government’s Global Methane Initiative Accomplishments ANNUAL REPORT (2020)
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U.S. Government GMI Accomplishments: 2016 Annual Report
The U.S. Government’s Global Methane Initiative Accomplishments report 2016
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Success Stories about Restoring and Protecting Water Bodies Impaired by Nonpoint Source Pollution
General background, purpose regarding nonpoint source success stories. Includes the latest guidance for success story format.
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How's My Waterway Updates
rolling how's my waterway app tool updates
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Scientific Resources
Information related to Related links for FSTRAC
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Frequent Questions about Closeouts
EPA policy defines a closeout as the systematic process by which EPA determines that all required technical work under a grant or cooperative agreement has been completed by the recipient and EPA, and all applicable administrative requirements are met.
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Cybersecurity Grant Condition for Other Recipients, Including Intertribal Consortia
Cybersecurity Grant condition for Other Recipients, including Intertribal Consortia as of July 6, 2015
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U.S.-British Columbia Transboundary Watershed Grant Program
Request for applications and other information related to EPA's Transboundary Watershed Grant Program for applicants in Alaska, Idaho, Montana, and Washington.
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EPA Subaward Policy Additional Resources
Frequent questions, training, and other helpful resources to assist EPA grant recipients with effective implementation and management of their subawards are below, and will be added as they become available.