Learn the Issues
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Volume 3 - Area Sources and Area Source Method Abstracts
Nonpoint (area) source emission reference materials from the EIIP. Provides nonpoint source guidance on planning, emissions estimation, data collection, inventory documentation and reporting, and quality assurance/quality control.
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State Legislation on Ocean & Coastal Acidification Webinar
State Legislation on Ocean & Coastal Acidification
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Watershed Academy Webcast: Case Studies on Implementing Low-Cost Modifications to Improve Nutrient Reduction at Wastewater Treatment Plants
Webcast flyer on EPA’s recently released draft report on "Case Studies on Implementing Low-Cost Modifications to Improve Nutrient Reduction at Wastewater Treatment Plants".
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Volume 2 - Point Sources
Point source emission reference materials from the Emissions Inventory Improvement Program (EIIP). Provides point source guidance on planning, emissions estimation, data collection, inventory documentation and reporting, and quality assurance/quality contr
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Reporting Errors in Pesticide Data Systems
EPA's pesticide program has a central mailbox for reporting data errors. Access and learn more about this method of informing us about errors or issues in our data systems.
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Statewide Watershed Management Facilitation
An overview of how watershed management facilitation has helped 13 states and recommendations for other states considering the use of facilitation.
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Working at a Watershed Level
A short course that provides a basic, but very broad foundation for the use of ecological, social and
organizational management principles to guide activities to restore and sustain watershed conditions. -
How's My Waterway December Webcast
Special Webcast on How’s My Waterway
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Background on Federal Indian Country Minor New Source Review
Tribal NSR Information
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Drinking Water System Compliance at Joint Base Pearl Harbor-Hickam
Overview of the drinking water emergency affecting Joint Base Pearl Harbor-Hickam, with links to resources and news releases, and a description of what EPA is doing to assist our federal and state partners.
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Alternative Fuels and E85 Fuel
A hub page provides links to alternative fuels and E85 fuel pages.
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E85 Fuel
E85 is a blend of 85 percent denatured ethanol and 15 percent gasoline and is the highest ethanol fuel blend available in the market. Basic information on E85 is here.
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Advance Notice of Proposed Rulemaking for Minor Source Permitting in Indian Country, May 22, 2014
Advance Notice of Proposed Rulemaking for Minor Source Permitting in Indian Country, May 22, 2014
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6 Source Categories - Sawmill Facilities (Final Action)
EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.
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6 Source Categories - Concrete Batch Plants (Proposed Action)
EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.
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Lifecycle Analysis of Greenhouse Gas Emissions under the Renewable Fuel Standard
This page provides guidance on how a company may petition EPA for a new renewable fuel pathway.
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Suspension of Vessel Traffic at Port of Baltimore: Current Status and Potential Impact on Supply Chain Disruptions
Potential water chemical supply chain disruptions due to the suspension of Vessel Traffic at Port of Baltimore.
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Join a Water Utility Decontamination Tabletop Exercise
Members of the water sector and supporting partners can request a decontamination exercise.
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Ozone Designations Regulatory Actions
chronological listing of all regulatory actions related to designations for the 2015 ozone standard
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Extension of Deadline for Area Designations for 2015 Ozone Standards
2015 Ozone NAAQS,