Erosion control is an important part of any construction project. It's especially important when you are working near a waterway or natural resource area.
Erosion control best management practices
Learn more about:
- Armoring Erosion Control Best Management Practices
- Erosion Prevention Erosion Control Best Management Practices
- Instream Erosion Control Best Management Practice
- Perimeter Control Erosion Control Best Management Practices
- Site Entry Erosion Control Best Management Practices
- Soil Bioengineering Erosion Control Best Management Practices
Erosion control detail drawings and erosion control manual
Erosion control inspections
Erosion control inspections are required before any ground-disturbing activity.
Erosion concerns sign
The erosion concerns sign explains how to use the sign:
Flood Hazard Regulations and Flood Maps
For information about floodplain maps, check out the following:
- City of Portland flood hazard maps
- Environmental Services floodplain map information
- Multnomah County flood insurance study
- All FEMA flood maps
You can also search for floodplain information by address on Portland Maps.
Site development permits
You may need a site development permit for your project. Read more about site development permit applications and apply online.
Related City Code- Title 10 Erosion and Sediment Control Regulations
Read the full Title 10 Erosion and Sediment Control Regulations.
Unincorporated Multnomah County and erosion control
Multnomah County has information on grading, erosion control and floodplains.