Drainage Criteria Manual

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Stormwater Criteria

*Please scroll down below to view draft drainage criteria manuals*

The City of Colorado Springs Drainage Criteria Manual (DCM) contains drainage criteria and submittal requirements for drainage studies and plans.  The two volumes of the manual are posted below.

Clarifications and minor modifications to criteria are documented in Policy Clarifications.  Where conflicts or differences between Policy Clarifications and the DCM exist, the Policy Clarifications shall apply.  All active Policy Clarifications are posted below.

Engineers are encouraged to check the website often for updates to criteria.  To sign up for notifications of updates to drainage criteria, please send an email to Stormwater Criteria.

Project specific questions related to the Drainage Criteria Manual should be directed to the project Review Engineer.  Questions related to drainage criteria that are not project specific should be directed to Stormwater Criteria.

Drainage Criteria Manual

The Drainage Criteria Manual Volume I specifies the design and technical criteria for all drainage analysis and construction. The Drainage Criteria Manual Volume II provides information on Best Management Practices (BMP's) for Stormwater.

Volume I 

View / Download Volume I


  • Preface (Acknowledgements, Overview/Purpose, Versions/Updates, Disclaimer)
  1. General Provisions
  2. Drainage Principles
  3. Drainage Policies
  4. Submittals
  5. Floodplain Management
  6. Hydrology
  7. Street Drainage
  8. Inlets
  9. Storm Sewers
  10. Conduit Outlet Structures
  11. Culverts and Bridges
  12. Open Channels
  13. Storage
  14. Revegetation

Volume II

View / Download Volume II


  • List of Abbreviations and Definitions
  1. Stormwater Management and Planning
  2. BMP Selection
  3. Calculating the WQCV and Runoff Reduction
  4. Treatment BMPs
  5. Source Control BMPs
  6. BMP Maintenance
  7. Construction BMPs 

Policy Clarifications

Draft Manuals


Printed copies can be purchased from the City Office Services Division, City Administration Building, 30 S. Nevada, Suite L01 (Garden Level), Colorado Springs, CO 80903, 719-385-5023.