Science & Technology
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Agriculture Sector Emissions
Sources of greenhouse gas emissions, inculding electricity production, tranportation, industry, agriculture, and forestry.
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Industry Sector Emissions
Sources of greenhouse gas emissions, inculding electricity production, tranportation, industry, agriculture, and forestry.
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Getting Started with Home EV Charging
This page provides information to help potential and new EV owners set up charging.
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Frequent Questions
Access frequent questions, past publications, and technical documentation to find more about the indicators and how they were developed.
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Air Quality Dispersion Modeling - Related Model Support Programs
Programs and utilities that are used in support of some of the dispersion models listed here. Note that utilities designed for use with particular models will be found with those models.
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Coal Mine Methane Related Events
News and Events
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CWA Restoration Framework
Overview of Clean Water Act (CWA) restoration framework including; water quality standards, monitoring/assessment, reporting water quality status, TMDL development, TMDL implementation (point & nonpoint source control)
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Chemical Mass Balance (CMB) Model
The EPA-CMB Version 8.2 uses source profiles and speciated ambient data to quantify source contributions. Contributions are quantified from chemically distinct source-types rather than from individual emitters.
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Remining - Opportunities and Limitations for Water Quality Improvement and Stream Restoration
Benefits of Remining are discussed including; reclamation of abandoned mine lands that the AML program is unlikely to ever restore, decrease or eliminate pollution loads of acidity,iron, manganese and other contaminants from pre-existing discharges.
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Headwater Streams - What Are They and What Do They Do?
General Stream Principles including headwater streams, Lane's Relation, stream beahvior
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A Function-Based Framework for Stream Assessment and Restoration Projects under CWA Section 404
This report lays out a framework for approaching stream assessment and restoration projects that focuses on understanding the suite of stream functions at a site in the context of what is happening in the watershed.
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ODS Destruction in the United States and Abroad - February 2018
This technical report provides information on sources, destruction technologies, and best practices for recovery, collection, transport, and destruction of ozone-depleting substances and other fluorinated compounds such as HFCs
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How to Build, Verify and Report Indoor AirPlus Labeled Homes
A list of information on how to Label and Report Indoor AirPlus Labeled Homes
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Stakeholder Process for Natural Gas and Petroleum Systems in the 1990-2022 Inventory
This page provides information about stakeholder meetings and webinars on updates under consideration for the 1990-2022 GHG Inventory (to be released in April 2024).
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Designation and NAAQS Information Related to Lead (2008 Standard)
Designation and NAAQS Information Related to Lead (2008 Standard)
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EPA resumes cleanup of residential yards at the Jacobsville Superfund site in Evansville, Indiana
Work was paused during the winter months.
EPA News Release: EPA resumes cleanup of residential yards at the Jacobsville Superfund site in Evansville, Indiana
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What EPA is Doing for Healthy Watersheds
This page informs user about the action and steps that EPA is doing for Healthy Watersheds.
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TMDL Progress Assessment Documents: Dissolved Oxygen
San Francisco Bay Delta water quality progress report focusing on the pesticides dissolved oxygen levels in the Stockton Deep Water Ship Channel.
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TMDL Progress Assessment Documents: Mercury
Collection of San Francisco Bay Delta Water Quality Progress Reports focusing on mercury/methylmercury.
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Urban Waters - The Mystic River Watershed
Information on the efforts of the US EPA, the Commonwealth of Massachusetts, the municipalities within the Mystic River Watershed and nongovernmental organizations to improve the water quality of the Mystic River.