SIP Status Reports

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Status of Maine Designated Areas

Maine Areas by NAAQS
As of 12/10/2017

Jump to Maine section for: CO (1971) Lead (1978) Lead (2008) NO2 (1971) Ozone-1Hr (1979) Ozone-8Hr (1997) Ozone-8Hr (2008) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) PM-2.5 (2012) SO2 (1971) SO2 (2010)


Maine CO (1971) Areas     Return to map
 
No designated areas for this pollutant.

Maine Lead (1978) Areas     Return to map Top of page

No designated areas for this pollutant.

Maine Lead (2008) Areas     Return to map Top of page

No designated areas for this pollutant.

Maine NO2 (1971) Areas     Return to map Top of page

No designated areas for this pollutant.

Maine Ozone-1Hr (1979) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Hancock County and Waldo County Area Maintenance (NAAQS revoked) 11/15/1990 Marginal 93,204 2014-2016 0.088 Yes 4 / 4 04/27/1997
62 FR 9081
05/13/1996 04/27/1997
62 FR 9081
Knox County and Lincoln County Area Nonattainment (NAAQS revoked) 11/15/1990 Moderate 74,193 2014-2016 0.077 Yes 21 / 21  
 
   
Lewiston-Auburn Area Nonattainment (NAAQS revoked) 11/15/1990 Moderate 229,853 2014-2016 0.077 Yes 22 / 22  
 
   
Portland Area Nonattainment (NAAQS revoked) 11/15/1990 Moderate 514,098 2014-2016 0.088 Yes 21 / 21  
 
   
OTR 1990               6 / 5  
 
   
OTR               13 / 13  
 
   

Maine Ozone-8Hr (1997) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Hancock, Knox, Lincoln and Waldo Counties (Central Maine Coast) Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 97,265 2014-2016 0.067 Yes 4 / 0 01/10/2007
71 FR 71489
08/03/2006 01/10/2007
71 FR 71489
Portland Area Maintenance (NAAQS revoked) 06/15/2004 Subpart 2/Marginal 481,641 2014-2016 0.065 Yes 3 / 2 01/10/2007
71 FR 71489
08/03/2006 01/10/2007
71 FR 71489
OTR               46 / 45  
 
   

Maine Ozone-8Hr (2008) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
OTR               47 / 1  
 
   

Maine PM-10 (1987) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Aroostock County; City of Presque Isle Maintenance 11/15/1990 Moderate 972 2014-2016   Insufficient Data 3 / 3 10/30/1995
60 FR 45056
06/07/1994 10/30/1995
60 FR 45056

Maine PM-2.5 (1997) Areas     Return to map Top of page

No designated areas for this pollutant.

Maine PM-2.5 (2006) Areas     Return to map Top of page

No designated areas for this pollutant.

Maine PM-2.5 (2012) Areas     Return to map Top of page

No designated areas for this pollutant.

Maine SO2 (1971) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual/24-Hr
(ppb)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
AQCR 109-Millinocket Maintenance 03/03/1978   5,526 2016   /   No Data 0 / 0 07/01/1997
62 FR 24038
04/30/1984 07/01/1997
62 FR 24038

Maine SO2 (2010) Areas     Return to map Top of page

No designated areas for this pollutant.
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.

Current and historical design value data can be found on the EPA Air Quality Design Values website and the EPA Green Book contains comprehensive nonattainment area, designation status, and historical information.

The level of the 1-hour NAAQS for sulfur dioxide is 75 parts per billion (ppb) calculated as the 3-year average of the 99th percentile of the annual distribution of daily maximum 1-hour average concentrations.