Learn the Issues

Section 10: Ground Water - Waste Characteristics & Targets

Learn about the waste characteristics factor category in the ground water pathway, which is made up of two components: the toxicity/mobility of the most hazardous substance associated with the site and the hazardous waste quantity at the site.

What is a Wetland?

Overview of Wetland components

EPA Region 8 Media

Resources for reporters from the EPA Region 8 Public Affairs team.

Accomplishments and Successes of Reducing Air Pollution from Transportation in the United States

For a history of how air pollution from transportation in the US has been reduced.

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pubs from w3

Regulated MS4 in Massachusetts Communities

Information and documents for the Regulated MS4 in Massachusetts

Tribal Consortia in Region 10

Activities that Tribal consortia can undertake under the Indian Environmental General Assistance Program.

الموارد باللغة العربية

الموارد باللغة العربية (resources in the Arabic language).

Kickapoo Tribe Stabilizes Streambanks, Prevents Pollution with Water Project

Kickapoo Tribe stabilizes streambanks, prevents pollution with water project

EPA Cleans Up Unimatic Superfund Site in Fairfield, Removes Nearly 55,000 Tons of Contaminated Soil and Sediment

EPA has completed the cleanup of the Unimatic Manufacturing Corporation Superfund Site in Fairfield, New Jersey.

Release Date: April 16, 2026

Monitoring Initiative Grants under Section 106 of the Clean Water Act

Each year, EPA provides funding to states, eligible interstate agencies, and eligible tribes to support ambient water quality monitoring programs and implement a multi-year survey of the condition of nation’s waters to track changes over time.

A Healthier, Cleaner Chalkyitsik Village: GAP Funds Recycling, Backhaul Efforts

Session 9 - Tools/Emerging Technologies (2015 EIC)

Papers and presentations submitted during the 2015 Emission Inventory conference

Session 7 - Mobile Source (2015 EIC)

Presentations/papers given by keynote speakers at the 2015 Emission Inventory Conference

Lightning Round Presentations (2019 EIC)

Papers and Presentations that were limited to under five minutes per speaker.

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.

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