Know If I Need a Permit
Encroachment Permit - Federal Levee System
Before placing material or doing any work whatsoever within the limits of the Cowlitz River or Columbia River levee right-of-way, you must apply for a federal encroachment permit. CDID #1 will coordinate with the U.S. Army Corps of Engineers of your behalf to request federal authorization. This includes but is not limited to:
- Access ways
- Geotechnical borings
- Land clearing
- Monitoring wells
- Structures of any kind
- Survey monuments
Determine whether your project is located within the federal right-of-way for the Cowlitz or Columbia River levees. View levee right-of-way map (PDF).
Contact us for a pre-application meeting and to pre-apply for a Section 408 review. Refer to our Applicant Guide for Section 408 Pre-Application (PDF).
Apply Online or download the application (PDF). Additional project details will be requested as needed. Refer to our Applicant Guide for Section 408 Review (PDF).
Encroachment Permit - Interior Drainage System
Before placing material or doing any work whatsoever within CDID #1 easement or ownership areas, you must apply for a non-federal encroachment permit. This includes but is not limited to:
- Animal grazing
- Chicken coops
- Large play equipment
- Retaining walls
- Storage sheds
- Stormwater facilities
- Tree planting
- Tree removal
- Utility improvements
Determine whether your project is located within easement and ownership areas of CDID #1 internal drainage system. View CDID #1 Easement and Ownership map (PDF).