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FOR-REQUEST: Park Tree Maintenance

The forestry division conducts an annual tree risk assessment on trees in City parks.

How is park tree maintenance conducted?

All park & street trees are assessed using the ISA (International Society of Arboriculture) tree risk assessment. 

We only remove or have removed trees that are dead, dying (trees that have 35% or more dieback in the crown with no other mitigation options possible) or dangerous trees with a risk rating of moderate to high. 

This process considers visible structural damage, non-preventable likelihood of damage, new construction, and disease or infestation. 

All trees assessed at a high or extreme risk level are removed as soon as possible after identification.

For 311:

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