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National Status of a CO (1971) SIP Required Element

Required Element: CO Nonattainment NSR
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.

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Required Element: CO Nonattainment NSR For Pollutant: CO (1971)
State	Area Name	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
Alaska	Anchorage Area	11/15/1992	03/24/1994	Approval	04/17/1995	60 FR 8943
Alaska	Fairbanks Area	11/15/1993	03/24/1994	Approval	04/17/1995	60 FR 8943
Arizona	Phoenix Area	11/15/1993		Redesignation approved	04/08/2005	70 FR 11553
Arizona	Tucson Area	11/15/1993	08/21/1996	Approval	07/10/2000	65 FR 36353
California	Bakersfield Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
California	Chico Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
California	Fresno Area	11/15/1992		Redesignation approved	06/01/1998	63 FR 15305
California	Lake Tahoe South Shore Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
California	Los Angeles-South Coast Air Basin Area	11/15/1992	08/28/1996	Approval	01/03/1997	61 FR 64291
California	Modesto Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
California	Sacramento Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
California	San Diego Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
California	San Francisco-Oakland-San Jose Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
California	Stockton Area	11/15/1993		Redesignation approved	06/01/1998	63 FR 15305
Colorado	Colorado Springs Area	11/15/1993	01/15/1993	Approval	10/17/1994	59 FR 42500
Colorado	Denver-Boulder Area	11/15/1992	01/15/1993	Approval	10/17/1994	59 FR 42500
Colorado	Fort Collins Area	11/15/1993	01/15/1993	Approval	10/17/1994	59 FR 42500
Colorado	Greeley Area	11/15/1993	01/15/1993	Approval	10/17/1994	59 FR 42500
Colorado	Longmont Area	11/15/1993	01/15/1993	Approval	10/17/1994	59 FR 42500
Connecticut	Hartford-New Britain-Middletown Area	11/15/1993	05/23/1994	Approval	01/02/1996	60 FR 55316
Connecticut	New York-N. New Jersey-Long Island Area	11/15/1993	05/23/1994	Approval	05/10/1999	64 FR 12005
District of Columbia	Washington Area	11/15/1993	10/22/1993	Approval	03/15/1996	61 FR 2931
Idaho	Boise-Northern Ada County Area	11/15/1993	05/17/1994	Approval	02/18/2003	68 FR 2217
Indiana	East Chicago Area	11/15/1993	02/25/1994	Approval	12/06/1994	59 FR 51108
Indiana	Indianapolis Area	11/15/1993	02/25/1994	Approval	12/06/1994	59 FR 51108
Maryland	Baltimore Area	11/15/1993	06/08/1993	Approval	12/15/1995	60 FR 55321
Maryland	Washington Area	11/15/1993	06/08/1993	Approval	03/15/1996	61 FR 2931
Massachusetts	Boston Area	11/15/1993	07/15/1994	Approval	04/01/1996	61 FR 2918
Michigan	Detroit Area	11/15/1993	11/15/1993	Approval	08/30/1999
Minnesota	Duluth Area	11/15/1993	11/23/1993	Approval	07/03/1995
Minnesota	Minneapolis-St. Paul Area	11/15/1993	11/23/1993	Approval	07/03/1995
Missouri	St. Louis Area	11/15/1993	06/13/1997	Approval	03/29/1999	64 FR 3855
Montana	Billings Area	11/15/1993	05/23/1994	Approval	09/18/1995	60 FR 36715
Montana	Great Falls Area	11/15/1993	05/23/1994	Approval	09/18/1995	60 FR 36715
Montana	Missoula Area	11/15/1993	05/23/1994	Approval	09/18/1995	60 FR 36715
Nevada	Lake Tahoe Nevada Area	11/15/1993		Redesignation approved	02/13/2004	68 FR 69611
Nevada	Las Vegas Area	11/15/1992	01/17/1997	Approval	10/07/2004	69 FR 54006
Nevada	Reno Area	11/15/1993		Redesignation approved	08/04/2008	73 FR 38124
New Jersey	Atlantic City Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Burlington Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Freehold Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Morristown Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	New York-N. New Jersey-Long Island Area	11/15/1992	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Penns Grove Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Perth Amboy Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Philadelphia-Camden County Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Somerville Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Toms River Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Jersey	Trenton Area	11/15/1993	02/19/1993	Approval	08/26/1996	61 FR 38591
New Mexico	Albuquerque Area	11/15/1993	11/09/1992	Approval	01/28/1994	58 FR 62535
New York	New York-N. New Jersey-Long Island Area	11/15/1992	07/07/1994	Approval	05/20/2002	67 FR 19337
North Carolina	Charlotte Area	11/15/1993	01/07/1994	Approval	12/30/1994	59 FR 54388
North Carolina	Raleigh-Durham Area	11/15/1993	01/07/1994	Approval	12/30/1994	59 FR 54388
North Carolina	Winston-Salem Area	11/15/1993	01/07/1994	Approval	12/30/1994	59 FR 54388
Ohio	Cleveland Area	11/15/1993	03/07/1994	Approval	03/07/1994	59 FR 5332
Oregon	Eugene-Springfield Area	11/15/1993	11/15/1993	Approval	05/06/1997	62 FR 10457
Oregon	Grants Pass Area	11/15/1993	11/15/1993	Approval	05/06/1997	62 FR 10457
Oregon	Klamath Falls Area	11/15/1993	11/15/1993	Approval	05/06/1997	62 FR 10457
Oregon	Medford Area	11/15/1993	11/15/1993	Approval	05/06/1997	62 FR 10457
Oregon	Portland Area: Portland Metro Service District Boundary	11/15/1993	11/15/1993	Approval	05/06/1997	62 FR 10457
Oregon	Salem Area	11/15/1993	11/15/1993	Approval	05/06/1997	62 FR 10457
Pennsylvania	Philadelphia-Camden County Area	11/15/1993	02/04/1994	Approval	03/15/1996	61 FR 2926
Pennsylvania	Pittsburgh Area	11/15/1993	02/04/1994	Approval	01/08/1998	62 FR 64722
Tennessee	Memphis Area	11/15/1993	10/15/1993	Approval	08/31/1994	59 FR 37939
Texas	El Paso	11/15/1993	11/18/1992	Approval	11/27/1995	60 FR 49781
Utah	Ogden Area	11/15/1993	11/12/1993	Approval	07/05/1995	60 FR 22277
Utah	Provo Area	11/15/1992	11/12/1993	Approval	07/05/1995	60 FR 22277
Utah	Salt Lake City Area	11/15/1993	11/12/1993	Approval	07/05/1995	60 FR 22277
Virginia	Washington Area	11/15/1993	11/10/1992	Approval	03/15/1996	61 FR 2931
Washington	Seattle-Tacoma Area	11/15/1992	10/22/1993	Approval	04/24/1995	60 FR 9778
Washington	Spokane Area	11/15/1992	03/16/1994	Approval	04/24/1995	60 FR 9778
Washington	Vancouver Area: Clark County (part)	11/15/1993	03/16/1994	Approval	06/02/1995	60 FR 28726
Washington	Yakima Area	See Note	03/16/1994	Approval	08/02/1995	60 FR 28726

We have made our best effort to ensure that the data contained in these reports is accurate. We note that there may be brief delays in updating the reports as we receive new state submissions and we take rulemaking action on plans. In order to assist us in providing accurate information, we request that you contact us by clicking on the "Contact Us" link near the top of this page with any comments regarding or corrections to the posted information, including concerns about whether the entries reflect the most recent status.