COR400000 Stormwater Discharge

 
The general permit for stormwater discharges associated with construction activity (COR400000) has been issued. The permit is not effective until April 1, 2019. The comment period for this permit is closed. 
 
 
Questions:
  • What if a current permittee and/or a facility applies between November 1, 2018 and April 1, 2019?
    Permittees that have a current permit between November 1, 2018 and April 1, 2019 should download the COR400000 permit and fact sheet that becomes effective on April 1, 2019.  Permittees should also start planning necessary updates to the stormwater management plan and construction site field conditions. 

     
  • If I am a current permittee, what do I need to do? 
    No action is required. Current permittees must comply with the current general permit (COR030000) until March 31, 2019.  


    If you have a permit coverage certification under the current general permit (COR030000) as of March 31, 2019, you will be automatically transferred to the new permit. You will NOT have to reapply under the new general permit. You will receive a new permit certification under the new general permit (COR400000) on April 1, 2019. You will not have to submit the signature of both the owner and operator in order to receive permit coverage under the new general permit (COR400000).

    As of April 1, 2019, all permittees must comply with the new general permit (COR400000). All permittees’ stormwater management plans and construction sites need to comply with the new general permit by April 1, 2019. In the coming months, please review the new general permit (COR400000) and plan accordingly. Until March 31,2019, permittees will be able to modify and change permit coverage using Division forms such as change of contacts form. After April 1, 2019, permittees will be required to use the Colorado Environmental Online Services (CEOS) to modify permit coverage, such as changing the site map or contacts.

     
  • If I am planning to apply for permit coverage on of after April 1, 2019, what do I need to know?
    After April 1, 2019, all permittees must comply with the new general permit (COR400000) via the Colorado Environmental Online Services (CEOS). 
    Paper applications will no longer be accepted without a waiver. After April 1, 2019, permittees must use CEOS to modify permit coverage, such as changing the site map or contacts. 
 
Schedule
  • November 1, 2018 - March 31, 2019 - Permit is issued, permit is not effective.
  • April 1, 2019 - Permit is effective, all SWMPs must comply with new permit requirements.
Historical documents 
Sign up to receive email updates
Email list for permittees and stakeholders to receive information on new guidance documents, CEOS and other updates.