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Flooding caused by heavy precipitation, melting snow, or runoff may pose problems for all kinds of properties. Older and newer houses, residential and commercial developments may be at risk for flooding if proper precautions are not taken. The City encourages all builders and homeowners to take preventive measures to avoid flooding, and has set out standards for drainage and lot grading under the Drainage Bylaw.

Lot grading standards for newer neighbourhoods developed in response to problems in older neighbourhoods. While the bylaw came into effect in 1997, the standards are enforced retroactively for all properties developed after 1989 where an approved Lot Grading Plan exists and all other areas prior to 1989 where no Approved Lot Grading Plan exists.

Property owners are responsible for their own lot grading. Check out the following information pages to ensure that you are taking the right steps to prevent flooding on your property.

The Lot Grading Guidelines for Residential Properties provide the procedures and requirements for surface drainage. 

For Commercial and Multi-Family Lot Grading, more information can be found in Commercial and Multi-Family Lot Grading Guidelines.

Guidelines on how to provide good drainage away from residential buildings.

Details and a guide for landscaping around homes.

How to identify problems and maintain your home’s drainage systems.

A guideline about how to maintain the lot grading in good shape.

The City of Edmonton has a two stage approval process for lot grading.

Lot grading requirements and approval procedures for residential homeowners.

For More Information

Development Services, Lot Grading

2nd Floor, Edmonton Tower
10111 104 Avenue NW
Edmonton, AB

T5J 0J4


311 or 780-496-5576

Fax 780-496-2865

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