Research & Data

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

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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Commercial Vessel Sewage Pumpout Options

List of commercial vessel sewage pumpout options

https://ecology.wa.gov/commercial-vessel-sewage-pumpout-options

Conditional approval letter

Conditional approval letter to PaintCare Washington for the program plan.

https://ecology.wa.gov/conditional-approval-letter

Common Exemptions for Public Records Requests

A list of the common document types that are excluded from the records returned in a formal records request. Includes the statute, rule or case that mandates the exemption.

https://ecology.wa.gov/common-exemptions-for-public-records-requests

Composted materials by facility

This spreadsheet lists Washington's compost facilities and the types of materials they process.

https://ecology.wa.gov/composting-facilities-and-materials

A User's Guide to Compost

The Beauty of Your Lawn & Garden Blossoms from the Soil

https://ecology.wa.gov/compostusersguide

Ecology's contained-in determination policy memo

Ecology's policy about contained-in determinations.

https://ecology.wa.gov/contained-in-determination-memo

Consejos Para Proteger Las Cargas - Solo Texto

Solo Texto con Consejos Para Proteger Las Cargas

https://ecology.wa.gov/consejos-para-proteger-las-cargas-solo-texto

Composted Materials in Washington State

Data on the types of materials that Washington's facilities compost.

https://ecology.wa.gov/composted-materials

Conditions

WASTE TREATMENT AND IMMOBILIZATION PLANT CHANGE CONTROL LOG

https://ecology.wa.gov/conditions

Comments received from legislators (WAC 173-442; WAC 173-441) 7/22/16

These are comments from legislators.

https://ecology.wa.gov/comments-recieved-from-legislators-wac-173-422;-w

Commitment - Loss of Propulsion Incident

Press release for the Commitment - loss of propulsion incident

https://ecology.wa.gov/commitment-loss-of-propulsion-incident

Conference Call Notes April 20, 2015

https://ecology.wa.gov/conference-call-notes-april-20-2015

Conference Call Notes March 2, 2015

https://ecology.wa.gov/conference-call-notes-march-2-2015

Conference Call Notes May 13, 2015

https://ecology.wa.gov/conference-call-notes-may-13-2015

Compilation of Geologic, Hydrologic, and Ground-Water Flow Modeling (WAC 173-557; 173-555) 01/27/15

Compilation of Geologic, Hydrologic, and Ground-Water Flow Modeling Information for the Spokane Valley—Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, Idaho, United States Geological Survey, 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/compilation-of-geologic-hydrologic-and-ground-wa

Comparison formal draft to final Sand and Gravel General Permit

See the comparison from the formal draft to the final Sand and Gravel General Permit.

https://ecology.wa.gov/comparison-formal-draft-to-final

Sand & Gravel General Permit compared to Formal Draft Permit

This is a redline pdf showing the changes between the formal draft and the final permit for the 2016-2021 permit cycle.

https://ecology.wa.gov/comparisonformaldrafttofinal

Concrete Approved SMP October 2013

Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology

https://ecology.wa.gov/concrete-approved-smp-october-2013

Contact Information for State Approved SMP

This document direct's people on how to receive a copy of this jurisdiction's SMP

https://ecology.wa.gov/contact-information-for-state-approved-smp

Comments from the regulated entities and associations [WAC 173-442; WAC 173-441] 07/22/16

These are comments from the regulated entities and associations.

https://ecology.wa.gov/comments-from-the-regulated-entities-and-associations-wac-173-442;-wac-173-441-07-22-16