Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Cross-State Air Pollution

CSAPR Compliance Year 2020 NUSA NODAs

On this Page:

  • February 11, 2021
  • December 21, 2020
  • August 11, 2020
  • May 18, 2020

If you do not have Microsoft Office, you may need to download a Free Viewer here to view the Excel files on this page.


February 11, 2021 - Round 2 Final NODA for 2020 Allowance Allocations: New Units for All CSAPR Programs

EPA issued a final Notice of Data Availability, as required by CSAPR, that lists new units that receive a “2nd Round” 2020 CSAPR NOX Annual, NOX Ozone Season, or SO2 allowance allocation and allocation amounts. It also details 2020 allowance allocations to CSAPR existing units in states in which the new unit set-asides for 2020 for those CSAPR Trading Programs were undersubscribed.

  • Round 2 Final Notice of Data Availability Federal Register
  • New Unit Set Aside 2020 NOx Annual 2nd Round Final (xlsx)
  • New Unit Set Aside 2020 NOx Ozone Season 2nd Round Final (xlsx)
  • New Unit Set Aside 2020 SO2 2nd Round Final (xlsx)
  • Allocations to Existing Units of Remaining New Unit Set Aside Allowances from 2020 CSAPR NOx Annual Trading Program Final (xlsx)
  • Allocations to Existing Units of Remaining New Unit Set Aside Allowances from 2020 CSAPR NOx Ozone Season Trading Program Final (xlsx)
  • Allocations to Existing Units of Remaining New Unit Set Aside Allowances from 2020 CSAPR SO2 Trading Programs Final (xlsx)

December 21, 2020 - Round 2 Preliminary NODA for 2020 Allowance Allocations: New Units for All CSAPR Programs

EPA issued a preliminary Notice of Data Availability, as required by CSAPR, that lists new units eligible for a "2nd Round" 2020 CSAPR NOX Annual, NOX Ozone Season, or SO2 allowance allocation.

  • Round 2 Preliminary Notice of Data Availability (85 FR 83078, December 21, 2020)
  • New Unit Set Aside 2020 NOx Annual 2nd Round (xlsx)
  • New Unit Set Aside 2020 NOx Ozone Season 2nd Round (xlsx)
  • New Unit Set Aside 2020 SO2 2nd Round (xlsx)

August 11, 2020 - Round 1 Final NODA for 2020 Allowance Allocations: New Units for All CSAPR Programs

EPA issued a final Notice of Data Availability, as required by CSAPR, that lists new units that receive a "1st Round" 2020 CSAPR NOX Annual, NOX Ozone Season, or SO2 allowance allocation and allocation amounts.

  • Round 1 Final Notice of Data Availability (85 FR 48521, August 11, 2020)
  • New Unit Set Aside 2020 NOx Annual 1st Round Final (xlsx)
  • New Unit Set Aside 2020 NOx Ozone Season 1st Round Final (xlsx)
  • New Unit Set Aside 2020 SO2 1st Round Final (xlsx)

May 18, 2020 - Round 1 Preliminary NODA for 2020 Allowance Allocations: New Units for All CSAPR Programs

EPA issued a preliminary Notice of Data Availability, as required by CSAPR, that lists new units eligible for a "1st Round" 2020 CSAPR NOX Annual, NOX Ozone Season, or SO2 allowance allocation and allocation amounts.

  • Round 1 Preliminary Notice of Data Availability (85 FR 29711, May 18, 2020)
  • New Unit Set Aside 2020 NOx Annual 1st Round (xlsx)
  • New Unit Set Aside 2020 NOx Ozone Season 1st Round (xlsx)
  • New Unit Set Aside 2020 SO2 1st Round (xlsx)

Cross-State Air Pollution

  • Good Neighbor Plan
  • What is Cross-State Air Pollution?
  • What Does the Clean Air Act Say?
Contact Us about Cross-State Air Pollution
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 20, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.