To understand the wetland mitigation banking process in Washington, it's important to know how state and federal rules apply. All new banks must meet these requirements.
- Bank-use plan (Revised September 2022) — Our guidance provides details regarding what information permit applicants should submit if requesting to use wetland mitigation bank credits for mitigation.
- Credit guide for Wetland Mitigation Banks — Our February 2013 guide clarifies the terms, uses, and measures of credits as they apply to wetland mitigation banking in Washington.
Guidance for a watershed/landscape-based approach
- Service-area guidance — Our November 2010 guidance contains information to help sponsors determine the appropriate designated geographic area in which a wetland mitigation bank can reasonably provide compensation for unavoidable impacts to wetlands.
We and the Interagency Review Team (IRT) have approved the following templates and checklists. These documents are designed to help you know what to provide when we need to make decisions about your wetland banking project.
Please submit both printed and electronic versions to the IRT co-chairs. If your electronic copies are greater than 10 MB in size, please contact the IRT to determine the best electronic format for your submission.
Mitigation Banking Instrument (MBI)
Ledger templates and examples
Credit Transaction Notification Letter