Currently this online tool will allow Air Pollutant Emission Notices (APENs) for land development to be submitted. Users can select coverage under a construction permit or the land development general permit (GP03). Through this submission tool, users can also submit payment for any appropriate APEN and General Permit fees.  

Access the online submission tool here or on the electronic submission webpage.  

Yes, you need to create an account to use the tool. You can begin the process of creating an account by sending an email to cdphe_apcd_salesforce@state.co.us. This will allow the division to create an account and user rights for you. After an account is created, you will receive an email with further instructions to use the tool.  

As the tool is further developed, users will be able to create an account on their own. When this enhancement is available, more instructions will be provided.   

You will be able to, just not yet.  The Air Pollution Control Division is undergoing a 3-4 year data modernization project aimed, among other things, at making all forms and reports 100% electronic.

The land development APEN is just the first of many APENs and other forms being developed.  Users will soon be able to submit the Environmental Justice (EJ) Summary Form and the Modeling Determination Form. In addition, the division is currently developing other APEN forms for gasoline service stations, crematories, and crushers and screens. We are also developing this submission tool for notices of relocations, startups and well completion APENs. Finally, we have been working to build the Title V (major sources) application process into this environment.  

No, you do not still need to submit a paper APEN after submitting one with this online tool. Submitting an APEN, along with the payment of fees through this online tool is all that needs to be done. However, if you need to submit additional APENs that are not yet in this electronic environment, then a paper APEN will need to be submitted for those sources.  

APCD created a guidance manual to help you use our online tool. 

Yes, you will be able to pay your APEN filing fee and GP fees using this tool. As you are completing the APEN form, you will be asked to click on the link to the payment portal and submit payment. We are working to make this payment process more seamless, but in the meantime, you can consult our guidance document for submitting a payment. That guidance document can be found at the bottom of the screen when visiting our revenue payment portal. In addition, a link to the guidance document has been placed on the payment section of the APEN form for land development projects.    

No, not all land development projects need an APEN. If your project is smaller than 25 contiguous acres AND less than six months in total duration, then an APEN is not needed. However, an APEN is required if your project will be larger than 25 acres OR more than six months.

Yes, you still need to complete the Environmental Justice (EJ) Summary Form before submitting your APEN. While we are still working on creating the EJ Form in this electronic format, applicants will need to submit the EJ Form using the instructions found on the Environmental Justice in Permitting webpage. Once the Letter of Concurrence has been received for your project, it should be attached to the APEN submission for your land development project.  

The Modeling Determination Form is only required for land development projects that are in excess of 315 acres. If your project is larger than 315 acres, the Modeling Determination Form will need to be submitted. More information about the Modeling Determination Form can be found on our webpage with guidance for small businesses. This form can also be attached to the APEN submission for your land development project.  

Yes, the Permit Application/Registration Checklist (Form APCD-100) is required for all permit applications. Unless your project is categorically exempt from APEN and/or permitting requirements, Form APCD-100 is required and should be attached to the APEN submission for your land development project. 

Here are a few additional tools that may be useful:  

• APCD Data Access page.  
• CDPHE Open Data Map of Air Pollution Sources.  
• Air Quality Interactive Map.  
• Colorado Oil and Gas Conservation Commission map. 
• Map of sources and their associated records.
• AirNow fire and smoke map.
• Colorado Information Marketplace data related to other topics, like COVID-19, businesses, health and education.
• Air Pollution Control Division home page.
• Public Access Viewer for documents related to air pollution sources.