Science & Technology

NHDPlus Great Lakes Data (Vector Processing Unit 04)

NHDPlus data for the Great Lakes vector processing unit.

Science is the foundation for EPA's credible decision-making to safeguard human health and ecosystems from pollutants. The Office of Research and Development is EPA's scientific research arm. Here you can access our products, tools, events, and more

DWSRF Resources for Water Utilities

This page contains links and summaries of DWSRF resources.

Upper Columbia River Superfund Site

Information about EPA's study of hazardous waste contamination in the Upper Columbia River in Washington.

Black Hawk County Solid Waste Management Commission Facility, Waterloo, Iowa - Fact Sheet, July 2024

Public Comment Period for Draft RCRA Post-Closure Permit

Science Advisory Committee on Chemicals Meetings

A page presenting recent SACC meetings and associated meeting materials

National Electric Energy Data System (NEEDS)

Find information on EPA's National Electric Energy Data System (NEEDS) database including basic geographic, operating, air emissions, and other data on these generating units.

Power Sector Modeling

Detailed documentation of EPA’s application of the Integrated Planning Model (IPM) to analyze the business-as-usual air emissions projections and incremental impact of policies on the U.S. electric power sector.

Analysis of the Final MATS Risk and Technology Review (RTR)

IPM analyses of the Proposed MATS Risk and Technology Review (RTR)

Results using Pre-IRA 2022 Reference Case

Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.

Supporting Documentation of the 2015 Ozone NAAQS Actions

IPM analyses of the Good Neighbor Plan.

Results using 2023 Reference Case

Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.

Emissions Trading

Learn about emissions trading programs, also known as cap and trade programs, which are market-based policy tools for protecting human health and the environment by controlling emissions from a group of sources.

Electric Power Systems Partnership

The SF6 Emission Reduction Partnership for Electric Power Systems was a collaborative effort between EPA and the electric power industry to identify, recommend, and implement cost-effective solutions to reduce sulfur hexafluoride (SF6) emissions.

SF6 Leak Monitoring Webcast

Overview of leak monitoring systems to identify SF6 emissions from high voltage electrical equipment.

SF6 Gas Inventory Webcast

Overview of managing SF6 gas inventories.

eGRID2018 Notes

Describes the data corrections made in eGRID2018v2.

Petitions for Reconsideration Received for the CSAPR Update

EPA has received petitions for reconsideration of the Cross-State Air Pollution Rule Update for the 2008 Ozone NAAQS from the following stakeholders.

Cross-State Air Pollution

The Cross-State Air Pollution Rule (CSAPR), requires states to significantly improve air quality by reducing power plant emissions that contribute to ozone and/or fine particle pollution in other states.