Regulations & Permits

We oversee many state and federal laws designed to protect Washington's land, air, and water. Rules and regulations that direct state agencies, local governments, businesses, and others on how to comply with relevant laws are compiled in the Washington Administrative Code. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
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Wetland Mitigation Bank Use Plan
Guidance to applicants on what to submit for wetland mitigation bank use plans.
Mitigation Banking Instrument (MBI) Instructions and Checklist
The MBI details all of the physical characteristics, legal obligations, operational procedures, monitoring, and maintenance requirements for a wetland mitigation bank.
Mitigation Banking Instrument Template
A detailed Mitigation Banking Instrument (MBI) is required when proposing a wetland mitigation bank in Washington. This WORD template can be used to develop your MBI.
Prospectus Submittal Procedures for Federal and State Wetland Mitigation Banks
The prospectus provides a conceptual overview of the proposed wetland mitigation bank (bank) and serves as the basis for initial public and Interagency Review Team review and comment.
Resource Folder Documents for the Washington Mitigation Banking Instrument
Documents contained in the mitigation banking resource folder provide technical support for bank design, operation, maintenance, and protection. These reports are typically produced during the bank technical review period to help the sponsor and Interagency Review Team (IRT) negotiate how site plans, performance standards, credit releases, and other major components of the bank are developed.
Wetland mitigation banking service area guidance
A wetland mitigation bank service area is the designated geographic area within which the bank can reasonably be expected to provide, and is authorized to provide, appropriate compensatory mitigation for unavoidable impacts to wetlands and other aquatic resources.
Wetland Mitigation Banking Multi-Resource Ledger Template
This ledger template is provided for wetland mitigation bank sponsors, who are required to submit a ledger of credit transactions.
Wetland Mitigation Banking Wetland-Only Ledger Template
This ledger template is provided for wetland mitigation bank sponsors, who are required to submit a ledger of credit transactions.
Wetland Mitigation Banking Wetland-Only Ledger Example
This ledger example is provided for wetland mitigation bank sponsors, who are required to submit a ledger of credit transactions.
Wetland Mitigation Banking Multi-Resource Ledger Example
This ledger example is provided for wetland mitigation bank sponsors, who are required to submit a ledger of credit transactions.
Wetland Mitigation Banking Conservation Easement Template
This template is provide for mitigation bank sponsors to meet the long-term protection requirement for mitigation banks.
Water Quality Combined Funding Program - Recipient Training - Stormwater Session
For funding recipients of our Water Quality Combined Funding Program, this is the Stormwater project type part of the Recipient Training workshop
Water Quality Combined Funding Program - Recipient Training - Nonpoint Session
For funding recipients of our Water Quality Combined Funding Program, this is the Nonpoint project type part of the Recipient Training workshop
Water Quality Combined Funding Program Recipient Training - Wastewater Session
For funding recipients of our Water Quality Combined Funding Program, this is the Wastewater Facility project type part of the Recipient Training workshop
Clean Water Act — Section 401 Water Quality Certifications
Under the Clean Water Act, we make decisions about hydropower licenses and non-hydropower projects.
401 Water Quality Certifications for non-hydropower permits
We review projects needing federal approval to assure compliance with state water quality standards.
Freshwater Aquatic Plants Manual
An illustrated guide to some of the more common freshwater aquatic plants found in Washington, such as hydrilla, milfoil, pondweeds, bladderworts, and more.
Section 401 water quality & CZM federal consistency decisions
See our recent decisions on Section 401 water quality and CZM federal consistency.
Public Notices for Section 401 water quality certifications & CZM federal consistency
View current public notices for statewide projects seeking Section 401 water quality certification and Coastal Zone Management approval.
Water Quality Combined - Recipient Training - Contacts List
For funding recipients of our Water Quality Combined Funding Program, this is the list of contacts associated to the Recipient Training workshop.
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