Data and Tools

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.

eGRID2018 Notes

Describes the data corrections made in eGRID2018v2.

Power Plants and Neighboring Communities Graphs

Graphs that display the relationship between power plants and the surrounding communities

2018 SO2 Allowance Auction

Find on this page the results of EPA's 2018 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 27, 2018.

2020 SO2 Allowance Auction

Find on this page the results of EPA's 2020 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 31, 2020

2021 SO2 Allowance Auction

Find on this page the results of EPA's 2021 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 30, 2021

2016 SO2 Allowance Auction

On this page, find the results of EPA's 2016 SO2 Allowance Auction, which took place on March 29, 2016.

2019 SO2 Allowance Auction

Find on this page the results of EPA's 2019 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 26, 2019

2023 SO2 Allowance Auction

Find on this page the results of EPA's 2021 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 30, 2021

Part 75 Testing Notifications and Reports

Provides information on submitting notifications to EPA and states under Part 75 regulations. https://www.epa.gov/node/277573/edit#edit-group-javascript

How to Cite This Source

This page will help users cite the information they find on the Acid Rain website.

Resources Supporting ISA Development

These related resources support the development and decision making of the ISAs.

EPA's Chemical Safety research protects human health and the environment by evaluating chemicals for potential risk and providing tools and guidance for improved chemical production that supports a sustainable environment.

EPA Regulation Navigation Tools

home page for all 4 regulation navigation tools

Health Effects of Ozone in Patients with Asthma and Other Chronic Respiratory Disease

Templates for Developing Wetland Water Quality Standards

These templates are a tool to simplify development of protective wetland water quality standards.

Use Attainability Analysis and the Use Revision Process

This interactive diagram can help states and authorized tribes establish or revise designated uses by addressing the steps and questions they should consider while conducting a Use Attainability Analysis (UAA).

Certification of Annual LSL Consumer Notification

Lead Service Line Inventory Template - This spreadsheet template may be used by public water systems in Wyoming and on EPA R8 Tribal Lands for service line inventories.

WATERS Geospatial Data Downloads