Search Results - Washington State Department of Ecology

Oil spill drill self-certification guidance

Contains the instructions when you are approved to self-certify an oil spill drill, or provide documentation for incidents/unannounced drills.

https://ecology.wa.gov/self-certification-drill-checklist

Infrastructure State Implementation Plan for 1997 Ozone Standard

State Implementation Plan Certification for the 1997 8-Hour Ozone Standard

https://ecology.wa.gov/infrastructuresip1997ozonefinal2

TDG Draft EIS and Short-term Modification Language February 2019 Hearing Presentations

This is a PDF of the PowerPoint presentations provided at the February 2019 hearings on the draft EIS and short-term modification language for total dissolved gas criteria in WAC 173-201A.

https://ecology.wa.gov/tdg-draft-eis-and-short-term-modification-language

Swift Creek Construction Diagram March 2021 Text Description

This text description explains the diagram of engineered controls and construction schedule for the Swift Creek Project.

https://ecology.wa.gov/swift-creek-construction-diagram-text-description

HFC User Guide, long version

This is the longer instructions about how to submit your completed HFC notification form using our online reporting system.

https://ecology.wa.gov/hfc-user-guide-long-20190901

Swift Creek Construction Diagram March 2021 Text Description Spanish

This text description explains the diagram of engineered controls and construction schedule for the Swift Creek Project.

https://ecology.wa.gov/swift-creek-construction-diagram-text-descript-1

HFC User Guide, short version

This is the short (one-page) instructions about how to submit your completed HFC notification form using our online reporting system.

https://ecology.wa.gov/hfc-user-guide-short-20190901

Ecology Water Quality Stormwater Grants of Regional or Statewide Significance (GROSS) Program Guidance

Guidance for applying for Ecology Water Quality Stormwater Grants of Regional or Statewide Significance (GROSS) grants

https://ecology.wa.gov/stormwater-gross-grants-prgm-guidance

Proposed Rule Text without Tracked Changes (WAC 173-340) 02/15/23

This document displays WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations, as if the proposed rule changes were adopted. This document does not track or footnote the changes.

https://ecology.wa.gov/proposed-rule-text-with-no-tracked-changes-to-curr

Ecology's response to Petition to Amend the Instream Flow Rule for the Spokane River & Spokane Valley Rathdrum Prairie (SVRP) Aquifer, (WAC 173-557; 173-555) 01/27/15

Ecology's response to Petition to Amend the Instream Flow Rule for the Spokane River & Spokane Valley Rathdrum Prairie (SVRP) Aquifer, WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/ecology-s-response-to-petition-to-amend-the-instre

SEPA - Determination of Non-Significance (WAC 173-910) 03/10/16

This is the SEPA Determination of Non-significants (DNS) for the rulemaking for WAC 173-910 Mercury-Containing Lights Product Stewardship Program.

https://ecology.wa.gov/sepa-determination-of-non-significance-wac-173

Statement of Basis for Proposed Permit Modification of WTP Permit

The Statement of Basis provides information on Ecology’s decision to modify the WTP Permit, focusing on the operations of the Analytical Laboratory.

https://ecology.wa.gov/statement-of-basis

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

SEPA determination of non-significance 05/31/16

This is the SEPA determination of non-significance for WAC 173-442 Clean Air Rule and WAC 173-441. Reporting of Emissions of Greenhouse Gases rulemaking.

https://ecology.wa.gov/sepa-determination-of-non-significance-05-31-16

Text with Identified Changes to Current Rule (WAC 173-360; WAC 173-360A) 01/24/18

This document identifies changes to the current rule, WAC 173-360, Underground Storage Tank (UST) Regulations, that are included in WAC 173-360A.

https://ecology.wa.gov/text-with-identified-tracked-changes-to-prelimin

Tier 1 Calculator for Biomethane Landfill (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from landfills. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-landfill-wac-2

Tier 1 Calculator for Biomethane Landfill (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from landfills. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-landfill-wac-1

Tier 1 Calculator for Biomethane Landfill (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from landfills. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-landfill-wac-173

Tier 1 Calculator for Biomethane Manure (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from dairy and swine manure. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-manure-wac-17-2

Tier 1 Calculator for Biomethane Manure (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from dairy and swine manure. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-manure-wac-17-1

Tier 1 Calculator for Biomethane Manure (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from dairy and swine manure. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-manure-wac-173-42

Tier 1 Calculator for Biomethane Organic Waste (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from organic waste. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-organic-waste-2

Tier 1 Calculator for Biomethane Organic Waste (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from organic waste. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-organic-waste-1

Tier 1 Calculator for Biomethane Organic Waste (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from organic waste. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-organic-waste-wac

Tier 1 Calculator for Biomethane Sludge (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-17-2

Tier 1 Calculator for Biomethane Sludge (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-17-1

Tier 1 Calculator for Biomethane Wastewater Sludge (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-173-42

Tier 1 Calculator for LNG (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced liquid natural gas and liquid to compressed natural gas. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-lng-wac-173-424-11-28-22

Tier 1 Calculator for LNG (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced liquid natural gas and liquid to compressed natural gas. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-lng-wac-173-424-07-15-22

Tier 1 Calculator for LNG (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced liquid natural gas and liquid to compressed natural gas. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-lng-wac-173-424-03-15-22

Tier 1 Calculator for Renewable Diesel (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced renewable diesel. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-renewable-diesel-wac-173-2

Tier 1 Calculator for Renewable Diesel (WAC 173-424) 07-18-22

This is the (Tier 1) simplified calculator for conventionally-produced renewable diesel. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-renewable-diesel-wac-173-1

Tier 1 Calculator for Renewable Diesel (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced renewable diesel. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-renewable-diesel-wac-173-424

Tier 1 Calculator for Starch-Fiber Ethanol (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced starch and fiber ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-starch-fiber-ethanol-wac-2

Tier 1 Calculator for Starch-Fiber Ethanol (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced starch and fiber ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-starch-fiber-ethanol-wac-1

Tier 1 Calculator for Starch-Fiber Ethanol (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced starch and fiber ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-starch-fiber-ethanol-wac-173

Tier 1 Calculator for Sugarcane-Derived Ethanol (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced sugarcane-derived ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-sugarcane-derived-ethano-2

Tier 1 Calculator for Sugarcane-Derived Ethanol (WAC 173-424) 07-18-22

This is the (Tier 1) simplified calculator for conventionally-produced sugarcane-derived ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-sugarcane-derived-ethano-1

Tier 1 Calculator for Sugarcane-Derived Ethanol (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced sugarcane-derived ethanol. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-sugarcane-derived-ethanol-wa

Tier 1 calculator manual (WAC 173-424) 11-22

This is the November 2022 instruction manual for Tier 1 simplified carbon intensity calculators. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-manual-wac-173-424-11-22

Tier 1 calculator manual (WAC 173-424) 07-20

This is the instruction manual for Tier 1 simplified carbon intensity calculators. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-manual-wac-173-424-07-20

Assessment of Areal Recharge (WAC 173-557; 173-555) 01/27/15

Assessment of Areal Recharge to the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, United States Geological Survey, Scientific Investigations Report 2007–5038 WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/assessment-of-areal-recharge-wac-173-557;-173-555

Errata sheet for the Zostera japonica Management FEIS

2014 Corrections and Clarifications on the Zostera japonica Management General Permit.

https://ecology.wa.gov/03282014zjfeiserrata

Ground-Water Flow Model (WAC 173-557; 173-555) 01/27/15

Ground-Water Flow Model for the Spokane valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, Idaho, United States Geological Survey, Scientific Investigations Report 2007–5044 WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/ground-water-flow-model-wac-173-557;-173-555-01

Hydrogeologic Framework and Ground-Water Budget (WAC 173-557; 173-555) 01/27/15

Hydrogeologic Framework and Ground-Water Budget of the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, United States Geological Survey, Scientific Investigations Report 2007 WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/hydrogeologic-framework-and-ground-water-budget-w

Plate 1 (WAC 173-557; 173-555) 01/27/15

Plate 1 - Ground- and surface-water measurement sites, Spokane Valley–Rathdrum Prairie Aquifer WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.

https://ecology.wa.gov/plate-1-wac-173-557;-173-555-01-27-15

Phase I Municipal Stormwater Permit 2016 response To Comments

Response to Comments for Permit Modification Effective August 19, 2016

https://ecology.wa.gov/2016responsetocomments

Text Description Swift Creek Construction Diagram July 2024

This text description explains the diagram of engineered controls and construction schedule for the Swift Creek Project.

https://ecology.wa.gov/swift-creek-construction-diagram-2024-text-description

Spanish Text Description Swift Creek Construction Diagram July 2024

This text description explains the diagram of engineered controls and construction schedule for the Swift Creek Project.

https://ecology.wa.gov/swift-creek-construction-diagram-2024-spanish-text-description