Learn the Issues

Lake Superior LAMPs and Associated Reports

Geophysical and environmental overview of Lake Superior, links to lakewide management plans, reports and Great Lakes AOCs impacting Lake Superior

Great Lakes Water Quality Monitoring Program

Explains the Water Quality program.

Lake Superior Environmental Monitoring Collaborative

EPA's Great Lakes National Program Manager has organized meetings about environmental monitoring in Lake Superior.

Wildfire Smoke - A Complex Mixture

Health concerns from smoke particulate matter from wildfires

Trash Free Waters Projects by Region

Project Highlights TFW

Disaster Recovery Financing Webinar for Water and Wastewater Utilities

This webinar describes how states and communities use SRF, FEMA, and other financing approaches to recover from a disaster. Utility and state speakers share their tips and examples.

Environmental Financial Advisory Board (EFAB) Meeting Materials - September 20, 2022

Materials for EFAB meeting.

Water Utilities Financial Impact Tool and 2020 COVID-19 Water Sector Survey Webinar

This webinar provides information on the Water Utilities Financial Impact Tool and the 2020 COVID-19 Water Sector Survey. The webinar included a live demonstration of the tool and a discussion on the survey.

Updates to 2011 and 2028 Emissions – Version 6.3 Technical Support Document

Document describes how the emission inventories were prepared for air quality modeling for the years 2011 and 2028 using an updated version of the 2011, version 6.3

Emissions Modeling Training

Presentations used in training courses related to emissions modeling and future year projections are provided.

2005 Version 4 Air Emissions Modeling Platforms

The 2005v4 platforms were based on versions of the 2005 NEI and supported the development of the Mercury and Air Toxics Standards and the Cross-state Air Pollution Rule.

2016 Version 7.1 Technical Support Document

This TSD describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for air toxics and criteria air pollutants that represents the year 2016 based on the 2014 National Emissions Inventory

Health and Environmental Studies in Ambler, Pennsylvania

Studies done on Asbestos Sites in Ambler, Pennsylvania.

2016 Version 7.2 Technical Support Document

This TSD describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the years of 2016 and 2028.

Meeting Underground Storage Tank (UST) Requirements

Find UST information for specific stakeholder groups, including owners and operators, state and territorial implementing agencies, inspectors, and tribes.

Long Term Stewardship at Leaking Underground Storage Tank Sites with Residual Contamination

Learn about what state underground storage tank programs are doing with their long term stewardship programs and for developing or enhancing their long term stewardship programs.

Emerging Fuels and Underground Storage Tanks

Find information and resources regarding storing ethanol and biodiesel fuels in underground storage tanks.

Vessel Sewage Frequently Asked Questions

Frequently asked questions related to vessel sewage and other vessel discharges

Aquifer Recharge and Aquifer Storage and Recovery

This webpage summarizes information about water used to artificially recharge ground water.

Ramsey Oil, L.L.C., Crossfaith Ventures, L.C., Ramsey Oil, Hutchinson, Inc., and Eagle Crest Properties, L.C. - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against Ramsey Oil, L.L.C., Crossfaith Ventures, L.C., Ramsey Oil, Hutchinson, Inc., and Eagle Crest Properties, L.C., (Respondents) for alleged violations stemming from Respondent