SIP Status Reports
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Status of South Carolina Designated Areas
Status of South Carolina Designated Areas
South Carolina Areas by NAAQSNOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.
Jump to South Carolina section for: CO (1971) Lead (1978) Lead (2008) NO2 (1971) Ozone-1Hr (1979) Ozone-8Hr (1997) Ozone-8Hr (2008) Ozone-8Hr (2015) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) PM-2.5 (2012) SO2 (1971) SO2 (2010)
South Carolina CO (1971) Areas Return to map |
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No designated areas for this pollutant. | |||||||||||
South Carolina Lead (1978) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina Lead (2008) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina NO2 (1971) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina Ozone-1Hr (1979) Areas Return to map Top of page |
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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 |
Cherokee County Area | Maintenance (NAAQS revoked) | 01/06/1992 | Marginal | 55,342 | 2017-2019 | Insufficient Data | 0 / 0 | |
07/20/1992 | 02/16/1993 57 FR 59300 |
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South Carolina Ozone-8Hr (1997) Areas Return to map Top of page |
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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 |
Charlotte-Gastonia-Rock Hill Area | Maintenance (NAAQS revoked) | 06/15/2004 | Subpart 2/Moderate | 178,913 | 2017-2019 | 0.070 | Yes | 52 / 50 | 04/06/2012 77 FR 13493 |
06/01/2011 | 12/26/2012 77 FR 75862 |
South Carolina Ozone-8Hr (2008) Areas Return to map Top of page |
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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 |
Charlotte-Rock Hill | Maintenance | 07/20/2012 | Marginal | 177,819 | 2017-2019 | 0.070 | Yes | 3 / 2 | 06/03/2016 81 FR 26697 |
04/17/2015 | 01/11/2016 80 FR 76865 |
South Carolina Ozone-8Hr (2015) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina PM-10 (1987) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina PM-2.5 (1997) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina PM-2.5 (2006) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina PM-2.5 (2012) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina SO2 (1971) Areas Return to map Top of page |
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No designated areas for this pollutant. | |||||||||||
South Carolina SO2 (2010) Areas Return to map Top of page |
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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. |