Data and Tools

Exceptional Events Documents Particulate Matter - San Joaquin Valley, CA

Exceptional Events Documents Ozone - San Joaquin Valley, CA

Water Quality Analysis Simulation Program (WASP)

The Water Quality Analysis Simulation Program (WASP) model helps users interpret and predict water quality responses to natural phenomena and manmade pollution for various pollution management decisions.

Anaerobic Digestion Data Collection Project

How to Submit Data for your Anaerobic Digestion Facility

Power Profiler

This tool allows users to enter in their zip code and compare their local air emission rates for electricity against the national average, as well as the air emission impact of your electricity use.

Anaerobic Digestion Facilities Processing Food Waste in the U.S. (2022 & 2023)

This page presents summarized results from the EPA’s 2024 survey of anaerobic digestion facilities processing food waste in the United States as part of the EPA’s AD Data Collection Project.

The Hydraulic Fracturing Water Cycle

The Hydraulic Fracturing Water Cycle image flow demonstration.

Appendix A: Chemicals Identified in Hydraulic Fracturing Fluids and Wastewater (Excel file)

Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations

The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.

Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2025

The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.

Method Development Tools

This page provides some tools and details to explain what's been done in our programs, share the basic structure and guidelines for producing a method, and explain some differences.

Laboratory Methods

A source for methods of collection related to Air and Radiation, Water, Prevention, Pesticides, Toxic Substances, Research and Development, Solid Waste and Emergency Response

GLI Clearinghouse Version History

Tracks changes to the GLI Clearinghouse database from 2006 to present

Instructions for GLI Clearinghouse

Isntructions for GLI Clearinghouse Version 2.1

Supplemental Data from the 2024 Anaerobic Digestion of Food Waste in the U.S. Survey Results

This page contains two detailed matrix tables of supplemental data from EPA’s AD survey conducted in 2024, reporting data for 2022 and 2023.

South Platte River Contributing Headwater Basins in Colorado

Headwater Basins that contibute to the South Platte River in CO.

Project Resources Needs for Proctor Creek Watershed

Estimated costs for partnership operations and projects in Proctor Creek

Estimating the Benefit per Ton of Reducing Directly-Emitted PM2.5, PM2.5 Precursors and Ozone Precursors from 21 Sectors

Technical Support Document (TSD) reporting the human health impact and monetized benefits of reducing emissions of PM2.5, PM2.5 precursors and ozone precursors from 21 sectors. This TSD was updated in 2021 to reflect updated source apportionment modeling.