Regulations & Permits - Washington State Department of Ecology

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

Cleanup Rule exploratory rulemaking process & timeline (as of January 2018)

A January 2018 notice of our exploratory process and timeline for updating Washington's Cleanup Rule.

https://ecology.wa.gov/noticecleanupruleexprmjan2018

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

QA planning process for NEP grantees

Printable and accessible PDF version of a flowchart showing the approval process for Quality Assurance Project Plans for National Estuary Program grantees.

https://ecology.wa.gov/nepqaflowchart

Floodplain Habitat Assessment and Mitigation Regional Guidance for the Puget Sound Basin

This guidance document was developed by Region 10 of the Federal Emergency Management Agency, as part of its continuing effort to improve floodplain management practices and assist communities in meeting the requirements of the Endangered Species Act.

https://ecology.wa.gov/floodplain-habitat-assessment-and-mitigation-regio

Discovery Princess Cruise Line inspection report

This document is the inspection report for wastewater discharges for Discovery Princess Cruise Line.

https://ecology.wa.gov/discovery-princess-inspection-report

Requirements for 401 Water Quality Certification Request

This table describes the required elements, documents, and actions to submit your certification request to the Department of Ecology.

https://ecology.wa.gov/certification-requirements-table

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

July 16, 2012: Ecology's approach to fish consumption standards in Washington state

Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing Ecology's approach to fish consumption standards in Washington state.

https://ecology.wa.gov/20120716sturdevantfcrapproachtostandards

Order Remanding 2020 Section 401 Rule with Vacatur

Order from United State District Court Northern District of California that remands and vacates the 2020 Section 401 rule under the Clean Water Act.

https://ecology.wa.gov/cwa-401-order-remanding-with-vacatur

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

November 27, 2012: Fish Consumption Technical Review Meeting

Meeting summary from Nov. 27, 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/20121127fcrtechreviewmtngforv2

January 15, 2013: Final fish consumption rates technical support document

Former Ecology Director Ted Sturdevant's 2013 transmittal letter announcing release of final fish consumption rates technical support document (version 2.0).

https://ecology.wa.gov/20130115sturdevantfcrtechsupportdocv2

401 certification process for aquaculture

A flowchart for shellfish growers to help them navigate the current Section 401 water quality certification and permitting process.

https://ecology.wa.gov/shellfish-aquaculture-401-flowchart

Puget Sound riparian grant landowner agreement template

This document is the landowner agreement template for the Climate Resilient Riparian Systems November 2024 grant solicitation.

https://ecology.wa.gov/cr2sl-landowner-agreement-template

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