Research & Data

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.

Find by Search

Hazardous Waste Facility Search Tool

Use this tool to access public records from regulated dangerous waste sites in Washington. This data comes from TurboWaste, Washington’s dangerous waste reporting tool.

Bonneville Power Administration TSD permit (PDF)

A permit issued in 2011 allowing the Bonneville Power Administration to treat, store and dispose of dangerous waste.

Hazardous waste and used oil facilities (XLSX)

This is the CSV file that the hazardous waste facilities map is built on.

Debe Inspeccionar los Contenedores de Desechos Peligrosos - Plain text

This is the plain text version of the Spanish poster found at https://fortress.wa.gov/ecy/publications/SummaryPages/0804015ES.html

Managing Dangerous Laboratory Waste plain text

This is the plain text version of the poster found at https://fortress.wa.gov/ecy/publications/SummaryPages/1504005.html.

Chemotherapy Waste Flowchart (PDF)

This chart helps you determine which rules to follow when disposing of chemotherapy dangerous waste.

Controlled Substances Waste Flowchart (PDF)

This chart helps you determine which rules to follow when disposing of controlled substance dangerous waste.

TurboWaste User Guide

Step-by-step instructions for using the TurboWaste application with pictures.

TurboWaste Data Import Guide

Instructions for importing dangerous waste information to TurboWaste.

Biosolids Storage Construction Approval - North Ranch

Ecology final approval letter for construction of biosolids storage facility.

Rulemaking Proposal 173-303 08/09/18

This is a rulemaking proposal (CR-102) for WAC 173-303 Dangerous Waste Regulations

Rulemaking Proposed Language 173-303 08/09/18

This is proposed rule language for WAC 173-303 Dangerous Waste Regulations

SEPA Checklist WAC 173-303

This is the SEPA Checklist for WAC 173-303 Dangerous Waste Regulations

SEPA Determination of Nonsignificance WAC 173-303

This is the SEPA Determination of Nonsignificance for WAC 173-303 Dangerous Waste Regulations

Citation List WAC 173-303

This is the citation list for for WAC 173-303 Dangerous Waste Regulations

CR-103 dangerous waste regulations

CR-103P for Chapter 173-303 WAC Dangerous Waste Regulations

SEPA Environmental Checklist for dangerous waste rule amendments

Checklist to determine if SEPA environmental impact statement is required.

SEPA Determination of Nonsignificance for amendments to dangerous waste regulations

This is the Ecology determination that a SEPA environmental impact statement is not needed.

2019 Dangerous Waste Regulations

Washington State's Dangerous Waste regulations, Chapter 173-303

Chapter 173-303 WAC Dangerous Waste Regulations

2019 draft amendments: Chapter 173-303 WAC Dangerous Waste Regulations