A practical guide to Oregon stormwater maintenance PORTLAND METRO · OREGON
FREE · NO ACCOUNT · NO OBLIGATION

Let's make sense
of your notice.

We'll help you spot the important details and organize a practical action plan. You decide whether you need a contractor.

Help first. Always.We do not ask for your email to read guidance. This is an independent resource, not a government service.
NO DOCUMENT NEEDED

A few questions. A clear plan.

No account or email required. Your answers are processed in your browser and are not submitted to us.

COMMON TERMS, EXPLAINED

What might your
notice be describing?

These are general examples. Your property's O&M plan and the issuing agency's instructions determine the right maintenance approach.

Rain gardens & bioswales

Landscaped areas designed to slow down or treat stormwater. Notices might mention vegetation, sediment, or blocked inlets.

Learn about maintenance

Catch basins & drains

Structures that capture and move runoff. Debris buildup or damaged parts may require specialist cleaning or repair.

See structural providers

Inspection follow-up

Letters may identify corrective actions, an expected completion date, and instructions to notify the agency afterward.

Read the notice checklist
This guide is not an official compliance determination.

We never guarantee that work is complete or that a deadline has been satisfied. For Portland notices, the City recommends contacting the inspector named in the letter about specific requirements. See official Portland guidance .