Caution | Mandatory Outdoor Water Restrictions

Due to continued dry conditions, mandatory Stage 1 Outdoor Water Restrictions are in place until further notice.

Visit Calgary.ca/restrictions for more information.

Find reports, plans, construction drawings and submission guidelines:

  • Stormwater management reports
  • Staged master drainage plans
  • Pond submissions
  • Construction drawings
  • Development site servicing plans
  • Geotechnical reports
  • Sanitary servicing studies
  • Erosion and sediment control plan reviews

This section also includes information on how to sign-up for and access our POSEIDONOnline and Water Epay Services online tools:

To find all water development approval submission information, including tools, guides, checklists and templates for each step in the development process, please visit Water Development Resources.

POSEIDONOnline and City Online


POSEIDONOnline is the submission site for electronic submissions to Water Resources by development industry applicants.

POSEIDONOnline is accessed through The City's VISTA website, by selecting the Submit to Water link located on the left hand side of the VISTA main page.

For more information, visit POSEIDONOnline Resources.

Master Drainage Plans, Staged master Drainage Plans and Stormwater Management Reports are available for purchase through City Online.

  • Established Area Linear Levy Pilot

    Development Permit applications with a reimbursement request form received during this time with the construction drawing submission will be considered for reimbursement.


This information has no legal status and cannot be used as an official interpretation of the various bylaws, codes and regulations currently in effect. The City of Calgary accepts no responsibility to persons relying solely on this information. Web pages are updated periodically. ​