SIP Status Reports

You are here: EPA Home > Air Quality Implementation Plans > SIP Status Reports > Status of SIP Required Elements for Colorado Designated Areas

Status of SIP Required Elements for Colorado Designated Areas

Required Elements by NAAQS / Area
As of 01/16/2021

Return to previous page    Return to map

Colorado: CO (1971) / Colorado Springs Area    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
CO contingency measures 11/15/1993 02/22/1994 Approval 02/23/1998 62 FR 67006
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
Return to previous page    Return to map

Colorado: CO (1971) / Denver-Boulder Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
CO Attainment Plan 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
CO contingency measures 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
TCM to offset growth 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
VMT Forecast 11/15/1992 07/11/1994 Approval 04/09/1997 62 FR 10690
Return to previous page    Return to map

Colorado: CO (1971) / Fort Collins Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
CO contingency measures 11/15/1993 02/22/1994 Approval 02/23/1998 62 FR 67006
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
Return to previous page    Return to map

Colorado: CO (1971) / Greeley Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
Return to previous page    Return to map

Colorado: CO (1971) / Longmont Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
CO Attainment Plan 11/15/1992 07/13/1994 Approval 04/09/1997 62 FR 10690
CO contingency measures 11/15/1992 07/13/1994 Approval 04/09/1997 62 FR 10690
CO Emissions Inventory 11/15/1992 01/04/1993 Approval 02/21/1997 61 FR 67466
CO Nonattainment NSR 11/15/1993 01/15/1993 Approval 10/17/1994 59 FR 42500
Oxygenated fuels 11/15/1992 11/27/1992 Approval 08/24/1994 59 FR 37698
Return to previous page    Return to map

Colorado: Ozone-1Hr (1979) / Denver-Boulder Area    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
I/M Basic 11/15/1993 01/14/1994 Approval 12/08/1994 59 FR 55584
Nonattainment NSR rules 11/15/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
Return to previous page    Return to map

Colorado: Ozone-8Hr (1997) / Denver-Boulder-Greeley-Ft. Collins-Loveland    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
Emission Inventory 06/13/2013        
Emission Statement 06/13/2013        
Nonattainment NSR rules - Marginal 06/13/2013 05/13/2013 Approval 02/24/2016 81 FR 3963
Return to previous page    Return to map

Colorado: Ozone-8Hr (2008) / Denver-Boulder-Greeley-Ft. Collins-Loveland    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
Contingency Measures VOC and NOX 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
Emission Inventory 07/20/2014 05/31/2017 Approval 08/02/2018 83 FR 31068
Emission Statement 07/20/2014 05/31/2017 Approval 08/02/2018 83 FR 31068
I/M Basic 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
I/M Enhanced 08/03/2020        
Nonattainment NSR rules - Marginal 07/20/2015 05/31/2017 Approval 08/02/2018 83 FR 31068
Nonattainment NSR rules - Moderate 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
Nonattainment NSR rules - Serious 08/03/2020        
Ozone Attainment Demonstration 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
Ozone Attainment Demonstration - Serious 08/03/2020        
RACT Non-CTG VOC for Major Sources 01/01/2017 05/31/2017 Completeness 12/01/2017  
RACT NOX for Major Sources 01/01/2017 05/31/2017 Completeness 12/01/2017  
RACT VOC CTG Aerospace 01/01/2017 05/31/2017 Completeness 12/01/2017  
RACT VOC CTG Auto and Light-Duty Truck Assembly Coatings (2008) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Bulk Gasoline Plants 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Equipment Leaks from Natural Gas/Gasoline Processing Plants 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Factory Surface Coating of Flat Wood Paneling 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Fiberglass Boat Manufacturing Materials (2008) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Flat Wood Paneling Coatings (2006) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Flexible Packaging Printing Materials (2006) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Fugitive Emissions from Synthetic Organic Chemical Polymer and Resin Manufacturing Equipment 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Graphic Arts - Rotogravure and Flexography 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Industrial Cleaning Solvents (2006) 01/01/2017 05/31/2017 Completeness 12/01/2017  
RACT VOC CTG Large Appliance Coatings (2007) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Large Petroleum Dry Cleaners 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Leaks from Gasoline Tank Trucks and Vapor Collection Systems 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Leaks from Petroleum Refinery Equipment 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Lithographic Printing Materials and Letterpress Printing Materials (2006) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Manufacture of High-Density Polyethylene, Polypropylene, and Polystyrene Resins 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Manufacture of Pneumatic Rubber Tires 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Manufacture of Synthesized Pharmaceutical Products 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Metal Furniture Coatings (2007) 01/01/2017 05/31/2017 Completeness 12/01/2017  
RACT VOC CTG Miscellaneous Industrial Adhesives (2008) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Miscellaneous Metal Products Coatings (2008) 01/01/2017 05/31/2017 Completeness 12/01/2017  
RACT VOC CTG Oil and Natural Gas Industry (2016) 10/27/2018 05/14/2018 Completeness 11/14/2018  
RACT VOC CTG Paper, Film, and Foil Coatings (2007) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Petroleum Liquid Storage in External Floating Roof Tanks 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Plastic Parts Coatings (2008) 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Refinery Vacuum Producing Systems, Wastewater Separators, and Process Unit Turnarounds 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG SOCMI Air Oxidation Processes 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG SOCMI Distillation and Reactor Processes 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Shipbuilding/repair 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Solvent Metal Cleaning 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Stage I Vapor Control Systems - Gasoline Service Stations 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Storage of Petroleum Liquids in Fixed Roof Tanks 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating for Insulation of Magnet Wire 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Automobiles and Light-Duty Trucks 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Cans 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Coils 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Fabrics 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Large Appliances 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Metal Furniture 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Miscellaneous Metal Parts and Products 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Surface Coating of Paper 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Tank Truck Gasoline Loading Terminals 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Use of Cutback Asphalt 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RACT VOC CTG Wood Furniture 01/01/2017 05/31/2017 Completeness 12/01/2017  
RFP VOC and NOX - Moderate 01/01/2017 05/31/2017 Approval 08/02/2018 83 FR 31068
RFP VOC and NOX - Serious 08/03/2020        
Return to previous page    Return to map

Colorado: Ozone-8Hr (2015) / Denver Metro/North Front Range    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
Emissions Inventories (Section 182(a)(1)) 08/03/2020 07/27/2020 Completeness 01/27/2021  
Emissions Statement Regulations (Section 182(a)(3)(B)) 08/03/2020 07/27/2020 Completeness 01/27/2021  
Nonattainment New Source Review (NNSR) - Marginal 08/03/2021 07/27/2020 Completeness 01/27/2021  
Return to previous page    Return to map

Colorado: PM-10 (1987) / Adams, Denver, and Boulder Counties; Denver Metropolitan area    
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
PM-10 contingency measures 11/15/1993 12/14/1993 Approval 12/23/1996 61 FR 49682
PM-10 Nonattainment NSR 06/30/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
PM-10 SIP 11/15/1991 06/07/1993 Approval 05/19/1997 62 FR 18716
Return to previous page    Return to map

Colorado: PM-10 (1987) / Archuleta County; Pagosa Springs   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
PM-10 contingency measures 11/15/1993 12/14/1993 Approval 06/20/1994 59 FR 26126
PM-10 Nonattainment NSR 06/30/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
PM-10 SIP 11/15/1991 02/26/1993 Approval 06/20/1994 59 FR 26126
Return to previous page    Return to map

Colorado: PM-10 (1987) / Fremont County; Canon City Area   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
PM-10 contingency measures 11/15/1993 12/14/1993 Approval 02/13/1995 59 FR 64332
PM-10 Nonattainment NSR 06/30/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
PM-10 SIP 11/15/1991 04/20/1992 Approval 01/24/1994 58 FR 68036
Return to previous page    Return to map

Colorado: PM-10 (1987) / Pitkin County; Aspen   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
PM-10 contingency measures 11/15/1993 12/14/1993 Approval 11/14/1994 59 FR 47088
PM-10 Nonattainment NSR 06/30/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
PM-10 SIP 11/15/1991 01/15/1992 Approval 11/14/1994 59 FR 47088
Return to previous page    Return to map

Colorado: PM-10 (1987) / Prowers County; Lamar   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
PM-10 contingency measures 11/15/1993 12/14/1993 Approval 02/13/1995 59 FR 64332
PM-10 Nonattainment NSR 06/30/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
PM-10 SIP 11/15/1991 06/03/1993 Approval 07/11/1994 59 FR 29732
Return to previous page    Return to map

Colorado: PM-10 (1987) / Routt County (part); Steamboat Springs   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
PM-10 contingency measures 07/20/1995 09/16/1997 Approval 03/02/1998 62 FR 68188
PM-10 Nonattainment NSR 07/20/1995 01/15/1993 Approval 10/17/1994 59 FR 42500
PM-10 SIP 07/20/1995 09/16/1997 Approval 03/02/1998 62 FR 68188
Return to previous page    Return to map

Colorado: PM-10 (1987) / San Miguel County; Telluride   
 
SIP Requirement Deadline Submittal Date Latest Action Date of Latest Action FR Citation
Click to view
FR notice
PM-10 contingency measures 11/15/1993 12/14/1993 Approval 10/19/1994 59 FR 47807
PM-10 Nonattainment NSR 06/30/1992 01/15/1993 Approval 10/17/1994 59 FR 42500
PM-10 SIP 11/15/1991 03/23/1993 Approval 12/03/1996 61 FR 51784
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.