Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Bio Recycling North Ranch Final Coverage Letter

A letter outlining the final coverage requirements for Bio Recycling's North Ranch site.

https://ecology.wa.gov/biorecyclingfinalcoverageletter12-2017

Bio Recycling North Ranch Response to Comments

Ecology's response to comments on the issuance of coverage for Bio Recycling's North Ranch site.

https://ecology.wa.gov/biorecyclingresponsetocomments12-2017

Biosolids facilities list

This document lists Washington's active biosolids facilities.

https://ecology.wa.gov/biosolids-facilities-list

Biosolids permit process chart

This is a timeline chart showing the steps of Ecology's process for developing the new statewide general permit for biosolids management.

https://ecology.wa.gov/biosolids-permit-process-chart

Signature Delegation Authority

This is a document for biosolids facilities on how to delegate signature authority.

https://ecology.wa.gov/biosolids-signature-delegation-authority

Boatyard general permit Erratus

Boatyard general permit Corrections and Clarifications (Erratus)

https://ecology.wa.gov/boatyard-erratumandclarifications-20160927

CAFO Application for Coverage

Apply for the CAFO permit

https://ecology.wa.gov/cafo-application

Boatyard general permit fact sheet

Detailed explanation of Boatyard general permit

https://ecology.wa.gov/boatyard-factsheet-final-20160706

2011-2016 Boatyard general permit fact sheet

Detailed explanation of 2011-2016 Boatyard general permit

https://ecology.wa.gov/boatyardfs030211

Monitoring Protocols - Bridge Maintenance Washing

Provides monitoring protocols for bridge maintenance washing under the Bridge and Ferry Terminal Washing General Permit.

https://ecology.wa.gov/bridgewashing_2022-monitoringprotocols_bridgemaint

Monitoring Protocols - Ferry Terminal Routine Maintenance

Provides monitoring protocols for ferry terminal routine maintenance under the Bridge and Ferry Terminal Washing Permit.

https://ecology.wa.gov/bridgewashing_2022-monitoringprotocols_ferrytermin

Boatyard general permit

This permit protects marine waters from toxics that can get into stormwater runoff from boatyards.

https://ecology.wa.gov/boatyard-generalpermit-final-20160706

CAFOCombinedPermit

State and Federal Concentrated Animal Feeding Operation Permit

https://ecology.wa.gov/cafo-combined-permit

2011-2016 Boatyard general permit

This is the previous permit that is no longer active. This permit protects marine waters from toxics that can get into stormwater runoff from boatyards.

https://ecology.wa.gov/boatyardpermit030211

Yearly Nutrient Budget

A yearly nutrient budget spreadsheet that permittees can fill out.

https://ecology.wa.gov/cafo-nutrient-excel

Bridge Washing Workshop Presentation

Copy of slideshow presentation given at Bridge Washing General permit public workshop in 2022.

https://ecology.wa.gov/bridgewashingworkshoppresentation-2022

Boatyard permit holders

Current list of boatyard permit holders in Washington

https://ecology.wa.gov/boatyardscoveredbygp-20150608

CAFO State-only permit

State-only concentrated animal feeding permit

https://ecology.wa.gov/cafo-state-only-permit

What changed between permits?

This shows what changed between the 2011-2016 Boatyard general permit and the current version (2016-2021).

https://ecology.wa.gov/boatyard-summaryofchanges-2011to2016

Building Industry Association of Washington & Associated General Contractors Appeal

Appeal of 2005 Construction Stormwater General Permit by the Building Industry Association of Washington & Associated General Contractors

https://ecology.wa.gov/associatedgeneralcontractors