Learn the Issues

Municipal Solid Waste Landfills, Volume 1: Summary of Requirements for New Source Performance Standards and Emission Guidelines

Municipal Solid Waste Landfills, Volume 1: Summary of Requirements for New Source Performance Standards and Emission Guidelines for Solid Waste, EPA-453R/96-004

Approved Air Quality Implementation Plans in Region 10

Landing page for information about EPA-approved air quality State Implementation Plans (SIPs), Tribal Implementation Plans (TIPs), and Federal Implementation Plans (FIPs) in Alaska, Idaho, Oregon, Washington.

Region 10 Clean Water Act Section 319 Tribal Program Funding

Availability of Clean Water Act Section 319 Tribal program funding for Tribes in the Pacific Northwest and Alaska (EPA's Region 10).

National Rivers and Streams Assessment 2018-19 Technical Support Document

PDF of the National Coastal Condition Assessment 2015 Technical Support Document.

Ecoregional Results - National Wetland Condition Assessment 2021

Results for the National Lakes Assessment 2012, including key findings, national results, ecoregional results, and state highlights.

Region 10 Clean Water Act Section 106 Tribal Program Funding

Funding availability for EPA Region 10 Clean Water Act 106 Tribal Program.

What is the National Rivers and Streams Assessment?

The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our Nation’s rivers and streams.

Criminal Enforcement Videos

On this page is provided criminal case files videos and special agent training videos.

Small Drinking Water Systems Webinar Series

Schedule for EPA's Office of Research and Development and Office of Water's monthly webinar series: challenges and treatment solutions for small drinking water systems. Certificates of attendance offered for each webinar.

Sioux City Foundry Company, South Sioux City, Nebraska - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment against the Sioux City Foundry Company, an industry located at 2400 G Street, South Sioux City, NE, for alleged violations of the Clean Water Act, 33 U.S.C. § 1319(g) for discharge

Memorandum: Greening Council New Printing Policy, August 9, 2011

Memorandum outlines an implementation strategy for enabling duplex printing and copying to reduce the waste and cost associated with Reclamation's printing and reproduction practices.

Memorandum: Paper Reduction and Duplex Implementation Requirements, April 12, 2011

This memorandum outlines an implementation strategy for enabling duplex printing and copying to reduce the waste and cost associated with Reclamation's printing and reproduction practices.