COR400000 Construction Stormwater Discharge Permits

• Application — Use the Colorado Environmental Online Services (CEOS) to apply for new permits, modify or terminate existing permits, and change permit contacts. A complete application signed by both the owner and operator will result in a certification within 10 days. Permit termination can only be done once final stabilization is complete. A map is required.
• Modification Supplement Form - for modification to remove acreage - include this document as an attachment to your modification application in CEOS.
• Transfer Application Supplement form part 2 — include this document as an attachment in CEOS to your transfer application. One form for each contact being removed.
• Permit
• Fact Sheet
• Fact Sheet, Part 2: Response to Comments
• Construction stormwater permitting FAQ — FAQ on who needs a permit and permit-related transactions.
• Link to Construction Compliance Assistance and Guidance.
• R-Factor waiver for construction sites between 1-5 acres and not part of a larger common plan of development.

CEOs 

All permittees must log into the CEOS electronic application portal for new construction stormwater permits, modifications, transfers, and terminations

How To Find An Issued Certification  

If you have a CEOS account, you’ll find your certification on your dashboard. Otherwise, certifications that have been issued are available in the electronic records drawer. 
 
Under search type, select CDPHERM WTR CW Search. Under CDPHERM Container, type in the certification number that begins with ‘COR4’.
 
If you are having difficulty finding your permit, please use the user guide.

CEOS Help Documents

New CEOS Transfer Application Process

Memo for transferring signatures

Construction Stormwater Permittees - Welcome to CEOS letter.

• CEOS Help Guide (Condensed version).
• CEOS Help Guide (Full version).
• CEOS Update - Preparers creating facilities guidance
• CEOS Frequently Asked Questions (FAQ).
• CEOS Permit Actions (Guide).
• CEOS Stormwater RO FAQ update (RO FAQ).
• CEOS tutorial for owner, operator, and preparer (Tutorial).

Responsible Official under COR400000 for corporations memo.

Questions?

Information on qualifying local programs for Arvada, Durango, Golden, and Lakewood.

The following is information for permitting of small construction activities located in one of the listed cities. If the total disturbed area is under 5 acres and is not part of a larger common plan of development of 5 acres or more, please inquire with the applicable city regarding obtaining permit coverage without submitting an application to the Water Quality Control Division.

Sign up to receive email updates

Email list for permittees and stakeholders to receive information on new guidance documents, CEOS and other updates.

Limited waivers may be available for the eReporting rule.

For questions on applications, transfers, or responsible officials, please contact:

• Email: cdphe_wqcd_permits@state.co.us
• Phone: 303-692-3517