COR400000 Construction Stormwater Discharge Permits
Click here for information on the COR400000 permit renewal
- 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 that is 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.
- Modification Supplement Form for modification to remove acreage - include this document as an attachment in CEOS to your modification application.
- 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.
- Permiso General (en espanol) - this has been updated in Spanish to include the Modification 1 or 2 changes.
- Fact Sheet.
- Fact Sheet Modification #1
- Fact Sheet Modification #2.
- Construction stormwater permitting FAQ- FAQ on who needs a permit and permit related transaction.
- Construction Stormwater Permits.
- 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 Login - All permittees must use this 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.
If you don't know your new permit number issued after April 1, 2019? Please check this list.
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).
For additional CEOS support, please contact us at:
For questions on the application, email: cdphe_wqcd_permits@state.co.us Permits Phone: 303-692-3517
For questions on how to setup a user account, if you get locked out or need to manage the system, email: cdphe_ceos_support@state.co.us
Information on qualifying local programs for 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 who needs a permit, please contact:
Randi Johnson-Hufford - Unit I Permitting Manager
randi.johnson-hufford@state.co.us
Temp phone: 720-251-4828
For questions on how to comply with the permit, please contact:
Phone: 303-692-3517
Email: cdphe.wqstorm@state.co.us
randi.johnson-hufford@state.co.us
Temp phone: 720-251-4828
For questions on how to comply with the permit, please contact:
Phone: 303-692-3517
Email: cdphe.wqstorm@state.co.us