Learn the Issues

Green Infrastructure and Clean Water Act Requirements Resources

The evolution of green infrastructure for CWA implementation, policy memos, and fact sheets.

2015 Campus RainWorks Challenge Results

EPA’s Office of Water is pleased to announce its fourth annual Campus RainWorks Challenge for undergraduate and graduate students.

EPA's 11th Campus RainWorks Challenge

This webcast includes speakers from the Round 11 first place winner, University of Oregon, sharing their experience competing in the Campus Rainworks Challenge.

Water in the Midwest

EPA Region 7 Water Content covering Kansas, Missouri, Nebraska, and Iowa

Columbia River Basin Restoration Funding Assistance Program

EPA's competitive grant program for environmental protection and restoration programs in the Columbia River Basin.

DWSRF Eligibilities Fact Sheets

DWSRF Fact Sheets for Pb, HABS and PFAS

EPA's role in protecting the Basin

About EPA-funded programs to improve water quality and reduce toxic contamination in the Columbia River Basin.

Frequent Questions FY18 - FY19 Grant Request for Proposal

This page provides responses to FAQ's on the most recent P2 grants RFP.

Cleanup Schedule by Operable Unit

Collection of milestones and historical data of the cleanup schedule by Operable Unit

National Air Emissions Monitoring Study

EPA conducted a study to gather information about emissions of air pollution from animal farms (AFOs) and used the results to develop emissions estimation methodologies.

Public Participation Guide: Municipal Environmental Committees as a mechanism for public participation - Risaralda

This case study describes Municipal Environmental Committees as a mechanism for public participation in the Department of Risaralda.

EPA Stops Another California Scheme to Impose its Costly Vehicle Policies on Entire Country

Agency Announces Final Disapproval of CA Heavy-Duty Vehicle Rule Pertaining to Out-of-State, Out-of-Country Vehicles

EPA announced the agency’s final disapproval of California’s Heavy-Duty Inspection and Maintenance Regulation under the Clean Air Act to the extent the regulation applies to out-of-state and out-of-country registered vehicles.

Release Date: January 27, 2026

Good Neighbor Plan for the 2015 Ozone NAAQS - Compliance for Industrial Sources

Compliance requirements for industrial sources subject to the Good Neighbor requirements for the 2015 ozone NAAQS.

What Affects Beach Health

Learn about Beach Health

Hiring Outreach Events

Dates and links to webinars about working for the federal government

Public Interest Advisory Committee (PIAC) Meeting Minutes Archive

Archive of minutes for Public Interest Advisory Committee (PIAC) meetings

Ozone Layer Research and Technical Resources

Access information on research and technical resources related to ozone layer science. This page provides links to research efforts led by organizations such as the National Oceanic and Atmospheric Administration, the United Nations Environment Program, an