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COVID-19 Risk Level for Multnomah County: Lower Risk
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Regional chlorine shortage: Portland water remains safe to drink

A regional chlorine shortage has disrupted supplies. The Portland Water Bureau is monitoring the situation and evaluating our supplies and procedures. Get updates.

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Urban Forestry News Menu
Displaying 1 - 15 of 15
Published
Temporarily unavailable due to system maintenance
Published
Information on tree roots and sidewalks.
Published
A brief review of tree parts and how a tree functions.
Published
Giant sequoia and coast redwood trees are often found in California. They can also be found growing in Portland's urban forest.
Published
The Ailanthus altissima tree is commonly known as a Tree-of-Heaven. It can quickly grow to be a big problem. This is a guide to identify it.
Published
Learn about a selection of trees that keep their leaves all year, and do well in Portland.
Updated
Urban Forestry storm response service level information
Published
Typically published twice a month, Urban Forestry's Tree Bark Newsletter now has both January 2021 editions ready to read.
Published
New application forms, fees, and online application process available for Chemical Treatment and Street Tree Attachment Permit Applications