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When do you need this permit?

  • Construction Stormwater Permit is required if you will disturb one acre or more (≥1) OR
  • If you will disturb less than one acre that is part of a larger common plan of development or sale.
  • A “common plan of development or sale” means
    • A contiguous area where multiple separate and distinct construction activities may be taking place
      • At different times
      • On different schedules
    • Remain related by a common contract or plan.
    • Contiguous means construction activities located in close proximity to each other (within 1⁄4 mile).

Construction Stormwater Permit must be obtained prior to any land disturbance.


Applicant will be required to submit

  • Permit Application
  • Permittee must be designated on the permit, an individual who will be the responsible party for the project.
  • Stormwater Maps
  • A copy of Colorado Department of Public Health and Environment (CDPHE) - Colorado Discharge Permit System (CDPS) approved stormwater certification.

Stormwater Management Plan (SWMP) 

Permits - Plan Checklist

 Stormwater Permit Fees

Permits - Fee Schedule

How to apply?

Mesa County Portal website

  • Start the application process by clicking on the “Sign Up” link at the top of the webpage.

  • Fill out the required fields in the form
  • Press the “Register” button at the bottom of the form.
  • You will be taken to the online permit application form.
  • Follow the onscreen instructions to complete your permit application.

Mesa County Portal

Questions about online permits? Need the user guide?

Contact Stormwater Management

Online permits user guide

Permit Submittal - Mesa County Customer Portal (revised 12-13-2021)

Concept photograph for Permits.   Office Binder on Wooden Desk. On the table colored pencils, pen, notebook paper.

Online payment

Visit our online payment payment website to pay permit fees.

Online Payment

Technical issues with online permit or payment system?

Report any technical issues you encounter

Mesa County IT Helpdesk