Jump to main content.


Status of SIP Requirements for Designated Areas

District of Columbia Areas by Pollutant
As of 10/19/2014
View Nonattainment Contacts


Jump to District of Columbia 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)   SO2 (1971)   SO2 (2010)   


District of Columbia CO (1971) Areas    Return to map
 
Click on the Area name
to view SIP Requirements


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
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Washington Area Maintenance 11/15/1990 Moderate <= 12.7ppm 601,723 2013 3.1 Yes 4 / 4 03/15/1996
61 FR 2931
10/12/1995 03/15/1996
61 FR 2931

District of Columbia Lead (1978) Areas    Return to map    

Top of page

No designated areas for this pollutant.

District of Columbia Lead (2008) Areas    Return to map    

Top of page

No designated areas for this pollutant.

District of Columbia NO2 (1971) Areas    Return to map    

Top of page

No designated areas for this pollutant.

District of Columbia Ozone-1Hr (1979) Areas    Return to map    

Top of page

Click on the Area name
to view SIP Requirements


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
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Washington Area Revoked NAAQS 11/15/1990 Severe-15 601,723 2011-2013 0.107 Yes 26 / 26 08/25/2008
73 FR 43360
   
 

District of Columbia Ozone-8Hr (1997) Areas    Return to map    

Top of page

Click on the Area name
to view SIP Requirements


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
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Washington Area Nonattainment 06/15/2004 Subpart 2/Moderate 601,723 2011-2013   Insufficient Data 53 / 51 03/29/2012
77 FR 11739
   
 

District of Columbia Ozone-8Hr (2008) Areas    Return to map    

Top of page

Click on the Area name
to view SIP Requirements


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
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Washington Nonattainment 07/20/2012 Marginal 601,723 2011-2013 0.081 No 0 / 0  
 
   
 
OTR               0 / 0  
 
   
 

District of Columbia PM-10 (1987) Areas    Return to map    

Top of page

No designated areas for this pollutant.

District of Columbia PM-2.5 (1997) Areas    Return to map    

Top of page

Click on the Area name
to view SIP Requirements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(g/m)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/Approved
Clean Air
Determination
Effective Date
Citation
(link to GPO website)
Redesignation
Request Date
Redesignation
Effective Date
Citation
(link to GPO website)
Washington Nonattainment 04/05/2005 Moderate 601,723 2011-2013 10.1 Yes 6 / 1 02/09/2012
77 FR 1411
06/11/2013  
 

District of Columbia PM-2.5 (2006) Areas    Return to map    

Top of page

No designated areas for this pollutant.

District of Columbia SO2 (1971) Areas    Return to map    

Top of page

No designated areas for this pollutant.

District of Columbia 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 Trends website and the EPA Green Book contains comprehensive nonattainment area, designation status, and historical information.

Local Navigation


Jump to main content.