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.

See more about this collection...

Narrative Description of Figure 1. Pie Chart

The narrative description of Figure 1. pie chart on the Exploratory Rulemaking webpage.

https://ecology.wa.gov/narrative-description-of-figure-1-pie-chart

Puget Sound No Discharge Zone Signs Order Form

This is a form to order free Puget Sound No Discharge Zone Signs for your marinas or boat launch areas.

https://ecology.wa.gov/ndz-signs-order-form

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

Sample NDZ Lease Language

NDZ Sample Lease Language

https://ecology.wa.gov/ndzsampleleaselanguage

MTCAStat97: Backgound Module

A statistical analysis tool / workbook for analyzing background data for sites cleaned up under the Model Toxics Control Act.

https://ecology.wa.gov/mtcastat97backgroundmodule

MTCAStat97: Site Module

A statistical analysis tool / workbook for calculating compliance statistics for sites cleaned up under the Model Toxics Control Act.

https://ecology.wa.gov/mtcastat97sitemodule

MTCASTtat97: Technical supplement #1

Statistical guidance for using MTCAStat97 for sites cleaned up under the Model Toxics Control Act.

https://ecology.wa.gov/mtcastattechsupplement

Estimation Methodology for Razor Clam-Related Trips

Estimation Methodology for spending near Mocrocks and Copalis beaches from razor clam-related trips

https://ecology.wa.gov/nbeachshellfishcalcspndngnea

New Preliminary Rule (WAC 173-219) 03/17/15

Preliminary draft rule language for WAC 173-219 - March 17, 2015 version

https://ecology.wa.gov/new-preliminary-draft-rule-wac-173-219-03-17-15

New Preliminary Rule (WAC 173-219) 10/27/14

Reclaimed water preliminary rule language - October 27, 2014 version

https://ecology.wa.gov/new-preliminary-rule-wac-173-219-10-27-14

NCASI comments (WAC 173-460) 03/20/19

These are National Council for Air and Stream Improvement's (NCASI) 3/20/19 comments on acceptable source impact levels (ASIL) in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/ncasi-comments-wac-173-460-03-20-19

Nestucca incident history

Incident History of the Nestucca Barge

https://ecology.wa.gov/nestucca

New Dawn grounding press release

New Dawn Joint Press Release

https://ecology.wa.gov/new-dawn

New Legend Little Klickitat River Ecology press release

Department of Ecology press release

https://ecology.wa.gov/new-legend-1

New Legend Little Klickitat River Yakima Herald press release

Yakima Herald press release

https://ecology.wa.gov/new-legend-2

Recommendations for municipal permit requirements

https://ecology.wa.gov/munirecommendations

MusselWatch Gradient Report June 2014

https://ecology.wa.gov/musselwatchgradientrpt20june2014

Mukilteo Approved SMP January 2012

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

https://ecology.wa.gov/mukilteo-approved-smp-january-2012

Naches Approved SMP - Yakima County Regional January 2010

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

https://ecology.wa.gov/naches-approved-smp-yakima-county-regional-janua

NDA 2024 Drill Expo Sept 26

Summary of NDA 2024 Drill Expo Sept 26

https://ecology.wa.gov/nda-2024-drill-expo-sept-26