Regulations & Permits - Washington State Department of Ecology

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

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

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

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

Puget Sound Nutrient General Permit

We have issued the first Nutrient General Permit for WWTPs that discharge to Puget Sound.

https://ecology.wa.gov/regulations-permits/permits-certifications/nutrient-permit

Matheson Tri-Gas, Anacortes

We regulate water and hazardous waste activities at the Linde hydrogen plant in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/matheson-anacortes

Puget Sound Energy Ferndale Generating Station

We regulate water and hazardous waste at the PSE Ferndale electricity cogeneration station.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/puget-sound-energy-ferndale-generating-station

Tesoro Logistics Anacortes Facility

We regulate water and hazardous waste at the Tesoro Logistics operations in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-logistics-anacortes

U.S. Oil Refinery

We regulate water and hazardous waste at the U.S. Oil and Refining Co. oil refinery in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/us-oil-refining

Equivalent stormwater manuals for municipal stormwater permits

We provide information for municipal stormwater permittees about equivalent stormwater manuals for Phase I and both the Eastern and Western Washington Phase II municipal stormwater permits.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/stormwater-manuals/equivalent-stormwater-manuals-for-municipal-stormw