Learn the Issues

Implementing Coordinated School Environmental Health Guidelines

This page helps states implement a coordinated school health strategy.

OIG Report: Water Infrastructure Improvements for the Nation (WIIN) Act grant funds

OIG Audit: EPA’s Identification and Replacement of Lead Service Lines in Disadvantaged Communities

2018 Emissions Modeling Platform Technical Support Document

This document 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 year of 2018

2018v2 Emissions Modeling Platform Technical Support Document

This document 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 year of 2018

2018v1 Emissions Modeling Platform

Modeling files and documentation from the 2018 Emissions Modeling Platform

2019 NEI Technical Support Documentation

This is the page for the technical support document for the 2019 NEI point source category

A Not-So-Distant Future: Pushing the Ball Forward on I/A Septic Systems in Southeast New England

On June 2, 3, and 10, EPA's Southeast New England Program (SNEP) and the Atlantic Coastal and Environmental Sciences Division (ACESD) at the Office of Research and Development (ORD) hosted a three-day workshop on innovative and alternative (I/A) septic...

SNEP Watershed Implementation Grant Administrative Entity 2021

Learn more about the SNEP Watershed Implementation Grant Administrative Entity 2021.

From Cesspools to Septic; Lawns to Rain Gardens: Moving Forward to Reduce Nitrogen Pollution in Charlestown, RI

Particle Pollution Designations for the 2024 Revised Annual PM NAAQS - Where You Live

Particle pollution state and tribal designations

Learn About Particle Pollution Designations

Basic information about Particle Pollution Designations

Final Technical Support Documents for Area Designations Round 4

Final TSDs supporting the agency's final round four of area designations for the 2010 SO2 NAAQS

SO2 Designations - Round 1 Illinois State Recommendation and EPA Response

SO2 Designations - State Recommendations and EPA Responses - Round 1 - Illinois

Final Technical Support Documents for Area Designations Round 3

Final TSDs supporting the agency's final round three of area designations for the 2010 SO2 NAAQS

National Rivers and Streams Assessment 2008-2009 Results

Results from the 2008-2009 National Rivers and Streams Assessment

Deviation from 40 CFR §35.3520(e)(1) for Beaver Creek Dam Rehabilitation Project for the City of Martinsville, Virginia (2020)

This deviation would allow the state of Virginia to use DWSRF financing for the Beaver Creek Dam Rehabilitation Project to meet the current drinking water and public health needs of Martinsville, VA.