SIP Status Reports

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Status of SIP Required Elements for the SO2 (1971) NAAQS

Required Elements by Area
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.

Return to previous page NAAQS Selection SO2 (1971) / Ajo
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	AZ	05/15/1992		Approval	01/02/2004	68 FR 62243
Return to previous page NAAQS Selection SO2 (1971) / AQCR 131: Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington counties (Minneapolis-St. Paul)
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	MN	05/15/1992	05/29/1992	Approval	05/16/1994
Return to previous page NAAQS Selection SO2 (1971) / AQCR 238: Oneida County: Rhinelander Sub-city area
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP	WI	05/15/1992	10/21/1994	Approval	12/07/1994
Return to previous page NAAQS Selection SO2 (1971) / Central Steptoe Valley
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	NV	05/15/1992		Approval	06/11/2002
Return to previous page NAAQS Selection SO2 (1971) / Coshocton County; Franklin Township
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	OH	05/15/1992	10/26/1995	Approval	07/05/2000	65 FR 35577
Return to previous page NAAQS Selection SO2 (1971) / Cuyahoga County (part)
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	OH	05/15/1992	09/27/2003	Approval	09/07/2004	69 FR 41336
Return to previous page NAAQS Selection SO2 (1971) / Douglas
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	AZ	05/15/1992		Approval	05/01/2006	71 FR 9941
Return to previous page NAAQS Selection SO2 (1971) / East Helena Area
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	MT	05/15/1992	03/30/1994	Approval	03/28/1995
SO2 SIP - secondary standard	MT	11/15/1993	10/26/2018	Approval	10/11/2019	84 FR 47897
Return to previous page NAAQS Selection SO2 (1971) / Gallia County; Addison Township
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - secondary standard	OH	05/15/1992	10/26/1995	Approval	07/05/2000	65 FR 35577
Return to previous page NAAQS Selection SO2 (1971) / Hancock County (Part) The city of Weirton, including Butler and Clay: Magisterial Districts
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP	WV	07/20/1995	07/21/1995	Approval	07/06/2004	69 FR 24986
Return to previous page NAAQS Selection SO2 (1971) / Hayden
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	AZ	05/15/1992
Return to previous page NAAQS Selection SO2 (1971) / Jefferson County; (part) Steubenville & Mingo Junction
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	OH	05/15/1992	08/20/1998	Approval	05/17/1999	64 FR 13070
Return to previous page NAAQS Selection SO2 (1971) / Lake County; (part) Eastlake, Timberlake, Lakeline, Willoughby, Mentor
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	OH	05/15/1992	08/20/1998	Approval	05/19/1999	64 FR 13070
Return to previous page NAAQS Selection SO2 (1971) / Laurel Area
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 Nonattainment NSR	MT	11/15/1993	05/23/1994	Approval	09/18/1995	60 FR 36715
Return to previous page NAAQS Selection SO2 (1971) / Lorain County (part)
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	OH	05/15/1992	10/26/1995	Approval	07/05/2000	65 FR 35577
Return to previous page NAAQS Selection SO2 (1971) / Lucas County (part)
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	OH	05/15/1992	03/30/1999	Approval	03/18/2004	69 FR 4856
Return to previous page NAAQS Selection SO2 (1971) / Miami
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	AZ	05/15/1992		Approval	03/26/2007	72 FR 3062
Return to previous page NAAQS Selection SO2 (1971) / Morenci
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	AZ	05/15/1992		Approval	06/25/2004	69 FR 22447
Return to previous page NAAQS Selection SO2 (1971) / Muscatine County; (part)
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	IA	10/11/1995	06/19/1996	Approval	12/31/1997	62 FR 63454
Return to previous page NAAQS Selection SO2 (1971) / New Manchester-Grant magisterial district in Hancock County
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	WV	12/01/1994	02/17/1995	Approval	01/27/1997	61 FR 60191
Return to previous page NAAQS Selection SO2 (1971) / NJ portion of the Northeast Pennsylvania-Upper Delaware Valley Interstate AQCR: (part)
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	NJ	05/15/1992
Return to previous page NAAQS Selection SO2 (1971) / Piti Power Plant
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	GU	See Note	06/30/1982	Approval	06/14/1984	49 FR 20495
Return to previous page NAAQS Selection SO2 (1971) / Salt Lake County
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 Nonattainment NSR	UT	05/15/1992	11/12/1993	Approval	07/05/1995	60 FR 22277
SO2 SIP - primary standard	UT	05/15/1992	05/15/1992	Approval	01/13/1995	59 FR 64326
Return to previous page NAAQS Selection SO2 (1971) / San Manuel
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	AZ	05/15/1992		Approval	03/18/2008	73 FR 3396
Return to previous page NAAQS Selection SO2 (1971) / Tanguisson Power Plant
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	GU	See Note		Approval	01/01/1991
Return to previous page NAAQS Selection SO2 (1971) / Tooele County (part)
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 Nonattainment NSR	UT	05/15/1992	11/12/1993	Approval	07/05/1995	60 FR 22277
SO2 SIP - primary standard	UT	05/15/1992	05/15/1992	Approval	01/13/1995	59 FR 64326
Return to previous page NAAQS Selection SO2 (1971) / Warren County: Conewago Twp
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP - primary standard	PA	05/15/1992	12/09/1993	Approval	03/18/2003	68 FR 2454
Return to previous page NAAQS Selection SO2 (1971) / Warren County: Warren Boro, Pleasant Twp, Glade Twp
SIP Requirement	State	Deadline	Submittal Date	Latest Action	Date of Latest Action	FR Citation Click to view FR notice
SO2 SIP	PA	07/20/1995	09/26/1995	Approval	03/18/2003	68 FR 2454

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.