Learn the Issues

2004 National Water Quality Inventory Report to Congress

Assessing and Reporting Water Quality (Questions and Answers)

2002 National Water Quality Inventory Report to Congress

1994 National Water Quality Inventory Report to Congress

1996 National Water Quality Inventory Report to Congress

Knowing Our Waters: Tribal Reporting Under 305(b)

Executive Summary: 1992 National Water Quality Inventory Report to Congress

Executive Summary - 1992 National Water Quality Inventory Report to Congress

Guidelines for Preparation of the Comprehensive State Water Quality Assessments (305(b) Reports) and Electronic Updates (1997)

Consolidated Assessment and Listing Methodology (CALM)

Property Analysis of Ethanol− Natural Gasoline−BOB Blends to Make Flex Fuel

Ten natural gasolines were analyzed for a wide range of properties, including Reid vapor pressure (RVP), benzene, sulfur, distillation, stability, metals, and aromatic content, to determine their quality. Benzene and sulfur content were sufficiently low

EPA’s Travel Efficiency Method (TEAM) AMPO Presentation

Presentation describes EPA’s Travel Efficiency Assessment Method (TEAM) assessing potential travel efficiency strategies for reducing travel activity and emissions, includes reduction estimates in Vehicle Miles Traveled in four different geographic areas.

State Implementation Plans

This section provides information on California waivers and authorizations, control strategies and guidance, and guidance for state and local agencies.

Cheat Sheet for Water Quality Exchange Web

This is cheat sheet provides overview information for users about how to import/export data within Water Quality Exchange Web.

Ventilation and Filtration Strategies for Reducing the Spread of Common Respiratory Viruses Indoors Infographic

This infographic depicts strategies to improve ventilation and prevent the spread of common respiratory viruses indoors.

R6 QA Training

QA training assessment

R6 Training for Non-EPA Organizations

QA training assessment

Measuring the Air Quality and Transportation Impacts of Infill Development

This report summarizes three case studies. The analysis shows how standard forecasting tools can be modified to capture at least some of the transportation and air quality benefits of brownfield and infill development.

National Priorities for the DWSRF Program

Memorandum explaining the DWSRF program’s four national priorities.

U.S. Trade Policy Making Process

Overall, EPA’s trade and environment policy organization is designed to create a flexible and collaborative mechanism so that EPA can participate fully and effectively in the development and implementation of U.S. trade and environment policy.

Trade, Transportation, & Environment

Because of their reliance on petroleum-based fuels and their dramatic growth rates in recent decades, air and sea transport are responsible for significant emissions of both traditional air pollutants and greenhouse gases.