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.
Online tool: Ecology staff directory
Look up contact information for Ecology staff, by last name. Includes e-mail, phone, fax and location.
https://ecology.wa.gov/ecology-staff-directory
Online tools & databases
This is the gateway to Ecology's many web-accessible databases and tools.
https://ecology.wa.gov/online-tools-databases
Shellfish aquaculture 401 certification
We modified our certification process for shellfish growers because of new federal requirements.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/shellfish-aquaculture
Publication index: Wetlands information
List of links to publications related to wetlands.
https://ecology.wa.gov/wetlands-publications
Puget Sound Tide Model
A research tool programmed in Python by David Finlayson for predicting the tides of the Sound. The model was originally developed by Lavelle et al. (1988) at NOAA PMEL and subsequently updated by H. Mofjeld to include the full suite of standard tidal constituents.
https://ecology.wa.gov/puget-sound-tide-model-zip
Publication index: Salish Sea Model
List of links to documents and posters about the Salish Sea Model
https://ecology.wa.gov/salish-sea-model
Publication index: Budd Inlet
List of links to documents and posters related to water quality in Budd Inlet
https://ecology.wa.gov/budd-inlet
SEPA Supplemental Orca Checklist Guidance
This guidance helps applicants complete the SEPA Supplemental Orca Checklist.
https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-supplemental-orca-checklist-guidanc
Guidance for Marine Net Pen Aquaculture in Washington State
Proposed guidance for net pen aquaculture management and operations in Puget Sound and the Strait of Juan de Fuca.
https://ecology.wa.gov/guidance-for-marine-net-pen-aquaculture-in-washing
Centroid calculator
An Excel/VBA program to calculate the centroid of a time-concentration series or any x-y series of data.
https://ecology.wa.gov/xlsm-centroid-calculator
Received through January 18, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (Version 1)
Comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrcommentsforversion1
Received through January 18, 2012: Emailed form comments in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
Emailed (form) comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrformlettercommentsforversion1
August 30, 2012: Fish consumption rates technical support document [draft Version 2]
Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing release of fish consumption rates technical support document [draft Version 2.0].
https://ecology.wa.gov/20120830sturdevantfcrtechsuppdraftv2
Received through October 26, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0)
Comments received through October 26, 2012, on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0).
https://ecology.wa.gov/20121026fcrcommentsforversion2
November 5, 2012: Fish Consumption Technical Review Meeting
Meeting summary from Nov. 5, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.
https://ecology.wa.gov/20121105fcrtechreviewmtngforv2
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