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Industrial wastewater disposal permits

When a mix of water and water-carried substances is released from a business, house or other source, this is considered wastewater discharge. Industrial disposal of wastewater into Calgary's sewer system requires a wastewater permit.

Below, you will find details about which permit you need based on the type of water being discharged. For information about other permits required for industrial water disposal, visit Industrial Water Disposal Permits.

Permits and manifests


If you are transporting loads of wastewater, septage or FOG (fats, oils, greases) to a designated City site for disposal to the wastewater system:

Please follow this link Apply for a Commercial Hauled Wastewater Permit to apply for and obtain your permit. Please contact ENMAX for more information regarding this application.

A completed manifest must also accompany each load:

For locations, hours and other disposal instructions, please visit Septage and FOG Disposal Locations and Hours.>

If you are collecting, treating and disposing of the wastewater in a privately-owned system, such as a septic tank with an absorption field:

A private wastewater system application is required.

Please contact 311 for more information regarding this application.

Disposal of wastewater into Calgary's wastewater system including a manhole or monitoring access point is prohibited without prior approval from the Director of Water Resources or Water Services

All wastewater must comply with substances listed inSchedules A, B, or C of the Wastewater Bylaw. Please contact 311 for further information.

Licensing for cleaning buildings and vehicles with a mobile cleaning machine

This activity requires a Cleaning Service License, which can be obtained from the City of Calgary Business Licensing.

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