State Implementation Plans (SIP): Submissions Currently Under EPA Adequacy Review
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| Region | Area | Pollutant | SIP Submission | Comment Period Closes |
|---|---|---|---|---|
| 2 | New York State portion of NY-N. New Jersey-Long Island, NY-NJ-CT | 2006 24-hour PM2.5 | 2nd maintenance plan | May 22, 2025 |
| 4 | Atlanta, GA | 2008 8-hour ozone | 2nd maintenance plan | August 20, 2025 |
| Kentucky portion of Cincinnati, OH-KY-IN | 2008 8-hour ozone | 2nd maintenance plan | September 4, 2025 | |
| Kentucky portion of Louisville (KY-IN) | 2015 8-Hour Ozone | 2015 8-hour ozone Maintenance plan | October 14, 2022 | |
| Knoxville, TN | 2008 8-hour ozone | 2nd maintenance plan | May 8, 2024 | |
| North Carolina portion of Charlotte-Rock Hill, NC-SC | 2008 8-hour ozone | 2nd maintenance plan | June 2, 2025 | |
| South Carolina portion of Charlotte-Rock Hill, NC-SC | 2008 8-hour ozone | 2nd maintenance plan | November 20, 2023 | |
| 6 | Dallas-Fort Worth, Texas | 2008 8-hour ozone | attainment demonstration | July 3, 2020 |
| Houston-Galveston-Brazoria, Texas | 2008 8-hour ozone | |||
| attainment demonstration | July 3, 2020 | |||
| attainment demonstration | June 18, 2018 | |||
| 9 | West Pinal County, AZ | 1987 PM10 | attainment demonstration | July 22, 2022 |
| 10 | Klamath Falls, OR | 2006 24-hour PM2.5 | Redesignation request and maintenance plan | October 7, 2024 |
New York State portion of New York-N. New Jersey-Long Island, NY-NJ-CT Area 2006 24-Hour PM2.5 2nd 10-year Limited Maintenance Plan
Posted: April 22, 2025
How can I obtain a copy of the submission?
See the SIP: New York State 2006 24-hour PM2.5 NAAQS Second 10-year Limited Maintenance Plan (pdf) (1.41 MB, October 11, 2024)
When must I submit comments?
You must submit comments by May 22, 2025.
Where do I submit comments?
U.S. Environmental Protection Agency, Region 2,
Air Programs Branch, 290 Broadway, New York, NY 10007.
Contact: Lily Black, phone: (212) 617-3884, email: black.lily@epa.gov.
Atlanta, GA 2008 8-hour Ozone 2nd 10-year Maintenance Plan (2037 NOx and VOC budgets)
Posted: July 21, 2025
How can I obtain a copy of the submission?
The SIP is available for public viewing at the following places:
U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, Air Regulatory Management Section, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303.
Contact: Simone Jarvis, phone: (404) 562-8393, email: Jarvis.simone@epa.gov.
The SIP is also available electronically on the Georgia Environmental Protection Division website: Atlanta 2008 Ozone Second Maintenance Plan, motor vehicle emissions budget information can be found beginning on page 53.
When must I submit comments?
You must submit comments by August 20, 2025.
Where do I submit comments?
U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, Air Regulatory Management Section, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303.
Contact: Simone Jarvis, phone (404) 562-8393, email: Jarvis.simone@epa.gov.
Cincinnati, OH-KY-IN 2008 8-hour Ozone 2nd 10-year Maintenance Plan (2037 NOx and VOC budgets)
Posted: August 5, 2025
How can I obtain a copy of the submission?
The SIP is available for public viewing at the following places:
U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, Air Regulatory Management Section, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303. Contact: Simone Jarvis, phone: (404) 562-8393, email: Jarvis.simone@epa.gov.
The SIP submittal is available on the Kentucky Environmental Protection website: Submittal of the Kentucky State Implementation Plan Revision, Satisfying the 2008 8-Hour Ozone National Ambient Air Quality Standards (NAAQS) Second 10-year Maintenance Plan Requirements for the Cincinnati-Hamilton, OH-KY-IN Maintenance Area (pdf) (13.1 MB), motor vehicle emissions budget information can be found beginning on page 23.
When must I submit comments?
You must submit comments by September 4, 2025.
Where do I submit comments?
U.S. Environmental Protection Agency, Region 4,
Air and Radiation Division, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303.
Contact: Simone Jarvis, phone (404) 562-8393, email: Jarvis.simone@epa.gov.
Kentucky portion of Louisville, KY-IN Area 2015 8-Hour Ozone Maintenance Plan (2019 and 2035 Regional NOx and VOC Budgets)
Posted: September 14, 2022
How can I obtain a copy of the submission?
The SIP is available for public viewing at: U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303.
Contact: Dianna Myers, phone: (404) 562-9207, email: myers.dianna@epa.gov.
The SIP is also available electronically on the Louisville, Kentucky website: Request to Redesignate Kentucky Counties Located within the Louisville, KY-IN 2015 8-Hour Ozone Nonattainment Area (pdf) (6.2 MB, September 2022), budget information can be found beginning on page 39.
When must I submit comments?
You must submit comments by October 14, 2022.
Where do I submit comments?
U.S. Environmental Protection Agency, Region 4,
Air and Radiation Division, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303.
Contact: Dianna Myers, phone: (404) 562-9207, email: myers.dianna@epa.gov.
Knoxville, TN Area 2008 8-Hour Ozone 2nd 10-year Maintenance Plan (2035 NOx and VOC Budgets)
Posted: April 9, 2024
How can I obtain a copy of the submission? The SIP is available electronically on the Tennessee Department of Environment & Conservation website: APC Board Packet and Agenda (pdf) (4.7 MB, March 13, 2024). The Second Ozone Maintenance Plan (pdf) (4.7 MB) begins on page 23 of the PDF and, budget information (pdf) (4.7 MB) can be found beginning on page 51 of the PDF.
The SIP is also available for public viewing at the following places:
U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, Air Regulatory Management Section, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303.
Contact: Simone Jarvis, phone: (404) 562-8393, email: jarvis.simone@epa.gov.
By when must I request a copy?
If you request a copy by May 9, 2024, EPA will extend the comment period so that it lasts for 30 days from the date the copy is mailed. When must I submit comments? You must submit comments by May 9, 2024, unless the comment period has been extended, as noted on our website.
Where do I submit comments?
U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, Air Regulatory Management Section, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303.
Contact: Simone Jarvis, phone: (404) 562-8393, email: jarvis.simone@epa.gov
North Carolina Portion of Charlotte-Rock Hill, NC-SC Area 2008 8-hour Ozone 2nd Maintenance Plan (2018 and 2035 NOx and VOC budgets)
Posted: May 2, 2025
How can I obtain a copy of the submission?
See the SIP on the state website: North Carolina 2008 8-Hour Ozone NAAQS Second 10-year Maintenance Plan (pdf) (3.6 MB, March 25, 2025). Budget information can be found beginning on page 51.
The SIP is also available for public viewing at: U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, Air Regulatory Management Section, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303. Contact: Weston Freund, phone: (404) 562-8773, email: freund.weston@epa.gov.
By when must I request a copy?
You must request a copy by June 2, 2025, EPA will extend the comment period so that it lasts for 30 days from the date the copy is mailed.
When must I submit comments?
You must submit comments by June 2, 2025, unless the comment period has been extended, as noted on our website.
Where do I submit comments?
U.S. Environmental Protection Agency, Region 4,
Air and Radiation Division, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303. Contact: Simone Jarvis (jarvis.simone@epa.gov), phone: (404) 562-8393 or Weston Freund (freund.weston@epa.gov), phone: (404) 562-8773.
South Carolina Portion of Charlotte-Rock Hill, NC-SC Area 2008 8-hour Ozone 2nd Maintenance Plan (2018 and 2036 NOx and VOC budgets)
Posted: October 19, 2023
How can I obtain a copy of the submission?
See the SIP:
South Carolina 2008 8-Hour Ozone NAAQS Second 10-Year Maintenance Plan (pdf)
. Budget information can be found beginning on page 33.
The SIP is also available for public viewing at: U.S. Environmental Protection Agency, Region 4, Air and Radiation Division, Air Regulatory Management Section, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303. Contact: Simone Jarvis, phone: (404) 562-8393, email: jarvis.simone@epa.gov.
By when must I request a copy?
You must request a copy by November 20, 2023, EPA will extend the comment period so that it lasts for 30 days from the date the copy is mailed.
When must I submit comments?
You must submit comments by November 20, 2023, unless the comment period has been extended, as noted on our website.
Where do I submit comments?
Submit your comments to: U.S. Environmental Protection Agency,
U.S. Environmental Protection Agency, Region 4,
Air and Radiation Division, 61 Forsyth Street, S.W., Atlanta, Georgia, 30303. Contact: Simone Jarvis, phone: (404) 562-8393 or email: jarvis.simone@epa.gov.
Dallas-Fort Worth, Texas 2008 8-hour ozone serious classification attainment demonstration (2020 NOx and VOC budgets)
Posted: June 3, 2020
How can I obtain a copy of the submission?
Currently, SIPs are not available for public viewing while the Regional Office is closed for the COVID-19 virus.
The Dallas-Fort Worth SIP (9/2019) (pdf) is available for download.
When must I submit comments?
You must submit comments to EPA by July 3, 2020.
Where do I submit comments?
Submit comments electronically to U.S. Environmental Protection Agency, Region 6, Air and Radiation Division, Infrastructure and Ozone Section c/o Jeffrey Riley (riley.jeffrey@epa.gov).
Houston-Galveston-Brazoria, Texas 2008 8-hour ozone serious classification attainment demonstration (2020 NOx and VOC budgets)
Posted: June 3, 2020
How can I obtain a copy of the submission?
Currently, SIPs are not available for public viewing while the Regional Office is closed for the COVID-19 virus.
The Houston-Galveston-Brazoria SIP (9/2019) (pdf) is available for download.
When must I submit comments?
You must submit comments to EPA by July 3, 2020.
Where do I submit comments?
Submit comments electronically to U.S. Environmental Protection Agency, Region 6, Air and Radiation Division, Infrastructure and Ozone Section c/o Jeffrey Riley (riley.jeffrey@epa.gov).
Houston-Galveston-Brazoria, Texas 2008 8-hour ozone attainment demonstration (2017 NOx and VOC budgets)
Posted: May 17, 2018
How can I obtain a copy of the submission?
The SIP is available for public viewing at:
U.S. Environmental Protection Agency, Region 6, Multimedia Division, State Implementation Section, 1445 Ross Avenue, Suite 1200, Dallas, Texas 75202. Contact: Jeffrey Riley (riley.jeffrey@epa.gov) at 214-665-8542, fax: 214-665-7263.
The SIP is also available electronically at:
SIP Revision: Houston-Galveston-Brazoria (HGB) 2008 Eight-Hour Ozone Attainment Demonstration (AD), December 15, 2016 (pdf) (156 KB). On the second page, follow the Adopted HGB AD SIP Revision link to find budget information on page 3.
When must I submit comments?
You must submit comments to EPA by June 18, 2018.
Where do I submit comments?
U.S. Environmental Protection Agency, Region 6, Multimedia Division, State Implementation Section (Mailcode 6MM-AB), 1445 Ross Avenue, Suite 1200, Dallas, Texas 75202 Contact: Jeffrey Riley (riley.jeffrey@epa.gov) at 214-665-8542, fax: 214-665-7263.
West Pinal County, Arizona, 1987 PM10 Serious Classification Attainment Plan (PM10 Budgets for 2023 and 2036)
Posted: June 22, 2022
How can I obtain a copy of the submission?
The SIP is available for public viewing at Maricopa Association of Governments Regional Air Quality Planning page and the motor vehicle emissions budgets are found at 2022 Serious Area Particulate Plan for PM-10 for the West Pinal County Nonattainment Area (pdf) (8.3 MB, May 2022) starting at page 8-30, see Table 8-7 on page 8-32. The SIP is also available for public viewing at U.S. Environmental Protection Agency, Region 9, Air and Radiation Division, Air Planning Office, 75 Hawthorne Street, San Francisco, CA 94105.
When must I submit comments?
You must submit comments to EPA by July 22, 2022.
Where do I submit comments?
Contact: Ashley Graham, U.S. Environmental Protection Agency, Region 9, Air and Radiation Division, Air Planning Office (AIR-2), 75 Hawthorne Street, San Francisco, CA 94105. Phone: 415-972-3877 or Email: Jeffrey Riley (riley.jeffrey@epa.gov).
Klamath Falls, Oregon, 2006 24-hour PM2.5 NAAQS Redesignation Request and Maintenance Plan (2017 and 2037 PM2.5 and NOx budgets)
Posted: September 5, 2024
How can I obtain a copy of the submission?
The SIP is available electronically on the Oregon Department of Environmental Quality Website at: Klamath Falls PM2.5 Maintenance Plan 2024.
The SIP is also available for public viewing at U.S. Environmental Protection Agency, Region 10, Air and Radiation Division, Air Planning Section, 1200 Sixth Avenue, Suite 155, Seattle, WA 98101.
When must I submit comments?
You must submit comments to EPA by October 7, 2024.
Where do I submit comments?
Submit your comments to: Tess Bloom, 1200 Sixth Avenue, Suite 155, Seattle, WA 98101, email: bloom.tess@epa.gov, phone: 206-553-6362.