Learn the Issues
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F-Gas Partnership Programs
Provides basic information and links to pages for the Fluorinated Gas Partnership Programs, which were launched as a joint effort by EPA and industry groups to reduce the amount of fluorinated gases emitted through a variety of industrial processes.
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Emergency Events Can Impact Your Indoor Air Quality Infographic
Learn how emergency events can impact your indoor air quality
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Memo: Supplemental Information on Interstate Transport SIPs for the 2008 Ozone NAAQS
This memo provides supplemental information to states and EPA Regional offices as they develop or review SIPs that address section 11 O(a)(2)(D)(i)(I) of the CAA, as it pertains to the 2008 NAAQS.
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Interconnected Nature of Cross-State Air Pollution
Map of facilities showing regional ozone transport and the upwind-downwind linkages for ozone.
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March 2018 Memo and Supplemental Information Regarding Interstate Transport SIPs for the 2015 Ozone NAAQS
Projected air quality modeling results for ozone in 2023: States can use these data to develop their implementation plans.
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What is Cross-State Air Pollution?
This page provides basic information about interstate air pollution transport, such as what it is, what causes it, and what effects it causes.
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Memo and Supplemental Information Regarding Interstate Transport SIPs for the 2015 Ozone NAAQS
Projected air quality modeling results for ozone in 2023: States can use these data to develop their implementation plans.
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CHP Benefits
Learn about CHP benefits, including increased efficiency, reduced emissions of greenhouse gases and other air pollutants, energy cost savings, and enhanced energy reliability.
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EME Homer City Vs. EPA - Court Opinion
Opinion issued July 28, 2015 by the U.S. Court of Appeals for the D.C. Circuit on the remaining issues raised with respect to the Cross-State Air Pollution Rule
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CHP Policies and Incentives
Access state and federal CHP policies and incentives through dCHPP (CHP policies and incentives database)
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Learning About Acid Rain: A Teacher's Guide for Grades 6 through 8
Find on this page a link to the Acid Rain Teacher's Guide for Students Grades 6-8. This guide contains information, class discussions and experiments teachers can use to teach students about acid rain.
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CHP Energy and Emissions Savings Calculator
Download the CHP Emissions Calculator, a tool that calculates the difference between the anticipated carbon dioxide, methane, nitrous oxide, sulfur dioxide, and nitrogen oxide emissions from a CHP system to those of a separate heat and power system.
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Solar Cells - Renewable Energy Fact Sheet
This fact sheet provides information on photovoltaic solar cells, advantages and disadvantages of this system and its applications at wastewater treatment plants.
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Wind Turbines - Renewable Energy Fact Sheet
This fact sheet provides information on different configurations of wind turbines and their use as an auxiliary and supplemental power sources for wastewater treatment plants.
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Side Stream Nutrient Removal - Wastewater Technology Fact Sheet
This factsheet provides information on side stream nutrient removal using single reactor for high activity ammonia removal over nitrite (SHARON) process and annamox process.
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Pipe Bursting - Water Technology Fact Sheet
This fact sheet provides an overview of the method known as pipe bursting where existing pipe is opened and forced outwards by a bursting tool.
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UIC Online Interactive Training
This page details OGWDW's Underground Injection Control training initiative designed to promote knowledge transfer between federal, state, and tribal UIC programs.
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Volcanoes
Ways to prepare for or respond to volcanoes and related health or environmental problems.
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2002 - 2005 Allotment of Federal Funds for States, Tribes, and Territories
DWSRF, Allotment of Federal Funds for States, Tribes, and Territories
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2010 - 2013 Allotment of Federal Funds for States, Tribes, and Territories
DWSRF, Allotment of Federal Funds for States, Tribes, and Territories