PSD Baseline Date Tracker


Adams County

Particulate Matter (10 microns or less) : 09/19/1978


Alcorn County

Nitrogen oxides : 01/26/2005

Particulate Matter (10 microns or less) : 01/26/2005

Sulfur Dioxide : 01/26/2005


Amite County

Nitrogen oxides : 08/02/1994

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Attala County

Nitrogen oxides : 10/28/1999

Particulate Matter (10 microns or less) : 10/28/1999

Sulfur Dioxide : 10/28/1999


Benton County

Nitrogen oxides : 06/07/2000

Particulate Matter (10 microns or less) : 06/07/2000

Sulfur Dioxide : 06/07/2000


Calhoun County

Nitrogen oxides : 03/01/1995

Particulate Matter (10 microns or less) : 04/13/2001


Choctaw County

Nitrogen oxides : 03/24/1997

Particulate Matter (10 microns or less) : 03/24/1997

Sulfur Dioxide : 03/24/1997


Claiborne County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Clarke County

Nitrogen oxides : 08/01/1992

Particulate Matter (10 microns or less) : 05/18/2000

Sulfur Dioxide : 05/18/2000


Clay County

Nitrogen oxides : 07/11/2001

Particulate Matter (10 microns or less) : 07/11/2001

Sulfur Dioxide : 07/11/2001


Coahoma County

Nitrogen oxides : 09/15/2000

Particulate Matter (10 microns or less) : 09/15/2000

Sulfur Dioxide : 09/15/2000


Copiah County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 02/19/1979

Sulfur Dioxide : 07/17/2001


Covington County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Desoto County

Nitrogen oxides : 08/04/1999

Particulate Matter (10 microns or less) : 08/04/1999

Sulfur Dioxide : 08/04/1999


Forrest County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Franklin County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Grenada County

Nitrogen oxides : 03/06/2006

Particulate Matter (10 microns or less) : 12/10/1986


Hancock County

Nitrogen oxides : 09/29/1987

Particulate Matter (10 microns or less) : 07/20/1978

Sulfur Dioxide : 07/20/1978


Harrison County

Nitrogen oxides : 06/28/1989

Particulate Matter (10 microns or less) : 06/28/1989


Hinds County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 06/17/1999

Sulfur Dioxide : 05/01/1979


Itawamba County

Nitrogen oxides : 03/22/2000

Particulate Matter (10 microns or less) : 03/22/2000


Jackson County

Nitrogen oxides : 06/30/1992

Particulate Matter (10 microns or less) : 04/09/1979

Sulfur Dioxide : 04/01/1980


Jasper County

Nitrogen oxides : 08/27/1996

Sulfur Dioxide : 07/17/2001


Jefferson County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Jefferson Davis County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Jones County

Nitrogen oxides : 01/26/1996

Particulate Matter (10 microns or less) : 01/26/1996

Sulfur Dioxide : 01/26/1996


Kemper County

Nitrogen oxides : 11/14/2000

Particulate Matter (10 microns or less) : 11/14/2000

Sulfur Dioxide : 11/14/2000


Lafayette County

Nitrogen oxides : 12/14/2000

Particulate Matter (10 microns or less) : 12/14/2000

Sulfur Dioxide : 12/14/2000


Lamar County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 04/30/1982

Sulfur Dioxide : 04/30/1982


Lauderdale County

Nitrogen oxides : 06/30/2006

Particulate Matter (10 microns or less) : 06/30/2006


Lawrence County

Nitrogen oxides : 05/01/1995

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Leake County

Particulate Matter (10 microns or less) : 07/11/1979


Lee County

Nitrogen oxides : 04/19/2000

Particulate Matter (10 microns or less) : 04/19/2000

Sulfur Dioxide : 04/19/2000


Lincoln County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Lowndes County

Nitrogen oxides : 09/01/1995

Particulate Matter (10 microns or less) : 08/14/1979

Sulfur Dioxide : 08/14/1979


Madison County

Nitrogen oxides : 01/17/2001

Particulate Matter (10 microns or less) : 01/17/2001

Sulfur Dioxide : 07/17/2001


Marion County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Marshall County

Nitrogen oxides : 01/26/2012

Particulate Matter (10 microns or less) : 01/26/2012

Particulate matter (2.5 microns or less) : 01/26/2012

Sulfur Dioxide : 01/26/2012


Monroe County

Nitrogen oxides : 07/01/1995

Particulate Matter (10 microns or less) : 07/01/1995

Sulfur Dioxide : 07/01/1995


Montgomery County

Nitrogen oxides : 03/06/2006


Neshoba County

Particulate Matter (10 microns or less) : 10/24/1978


Noxubee County

Nitrogen oxides : 02/29/2004

Particulate Matter (10 microns or less) : 02/29/2004


Panola County

Nitrogen oxides : 06/08/2001

Particulate Matter (10 microns or less) : 12/01/1980

Sulfur Dioxide : 12/01/1980


Pearl River County

Sulfur Dioxide : 03/19/1984


Perry County

Nitrogen oxides : 04/16/1993

Particulate Matter (10 microns or less) : 05/06/2004

Sulfur Dioxide : 07/17/2001


Pike County

Nitrogen oxides : 08/19/1999

Particulate Matter (10 microns or less) : 08/19/1999

Sulfur Dioxide : 03/22/2000


Pontotoc County

Nitrogen oxides : 02/28/2007

Particulate Matter (10 microns or less) : 02/28/2007


Prentiss County

Nitrogen oxides : 10/22/2007

Particulate Matter (10 microns or less) : 10/22/2007


Rankin County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 05/01/1978


Scott County

Nitrogen oxides : 07/17/2001

Sulfur Dioxide : 07/17/2001


Simpson County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Smith County

Nitrogen oxides : 09/01/2000

Particulate Matter (10 microns or less) : 09/01/2000

Sulfur Dioxide : 07/17/2001


Stone County

Particulate Matter (10 microns or less) : 04/04/2000


Union County

Nitrogen oxides : 12/21/2001

Particulate Matter (10 microns or less) : 12/21/2001

Sulfur Dioxide : 12/21/2001


Walthall County

Nitrogen oxides : 07/17/2001

Particulate Matter (10 microns or less) : 07/17/2001

Sulfur Dioxide : 07/17/2001


Warren County

Nitrogen oxides : 12/17/1993

Particulate Matter (10 microns or less) : 12/17/1993

Sulfur Dioxide : 12/17/1993


Washington County

Particulate Matter (10 microns or less) : 08/15/1979


Yazoo County

Particulate Matter (10 microns or less) : 06/21/2004

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Disclaimer: The information found in enSearch Online is for informational purposes only. While the Department makes reasonable efforts to maintain the data accurately and in a timely manner, enSearch Online is not a legal substitute for the official administrative files of the Department and will from time to time contain information that is not as complete as the information contained in the full administrative file of the agency. Additionally, typographical errors may occur in the transcription of written or typed information into the enSearch Online database; therefore, care should be taken to confirm the information in the database with information in the agency's administrative files. If any conflict exists between information contained in the enSearch Online database and the official administrative files of the Department, the official administrative files of the Department should be considered the official record. Nor is the posting of information on enSearch Online intended to replace the traditional methods of publishing public notice of certain documents as required by State and Federal statutes and/or regulations. EnSearch Online is intended to enhance the public's access to basic agency information. If you wish to review the official public records of the Department, you should contact the Public Records Officer of the Department at :
attn:Public Records Officer,
Mississippi Department of Environmental Quality

PO Box 2261,
Jackson, MS 39225-2261,
Phone Number (601) 961-5758 or
(601) 961-5171,
Fax Number (601) 354-6356.