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.
1921 results 1 - 20 of 1921   Next page
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.
Water Quality Combined - Recipient Training - Contacts List
For funding recipients of our Water Quality Combined Funding Program, this is the list of contacts associated to the Recipient Training workshop.
Wastewater testing
Whole effluent toxicity testing ensures wastewater does not harm aquatic life.
Modeling the environment
Computer models mathematically represent part of the environment to predict potential changes.
Habitat monitoring
We collect data on the health of environmental systems that support plant and animal life.
Freshwater Aquatic Plants Manual
An illustrated guide to some of the more common freshwater aquatic plants found in Washington, such as hydrilla, milfoil, pondweeds, bladderworts, and more.
Freshwater fish contaminant monitoring
We analyze freshwater fish for various toxic chemicals.
Models and tools for water quality improvement
We use models to predict water quality changes to help find strategies to address pollution.
Water Quality Combined funding program State Fiscal Year 2020 Applicant Workshop Notice
This is the announcement and detailed information for the Water Quality Combined funding program's Fiscal Year 2020 Applicant Workshop for anyone wanting to apply for loan or grant funding from the Water Quality Combined funding program in this next application cycle.
Water Quality Combined funding program - Recipient Training - Resources List
For funding recipients of our Water Quality Combined Funding Program, this is the resources list for the Recipient Training workshop.
Applicant Prep Tool for Water Quality Combined Funding Applications in EAGL
This is the Applicant Prep Tool document for people applying for funding via a Water Quality Combined funding program application in EAGL.
State rules that direct the Department of Ecology
State rules that direct the Department of Ecology
Marine water & sediment monitoring
We conduct water and sediment long-term monitoring to identify ecosystem changes.
Models & spreadsheets
Computer models predict changes and spreadsheets calculate. We offer these tools to the public.
Eyes over Puget Sound
We use aerial photos and data from our monitoring stations and ferries to report on Puget Sound.
Water Quality Combined Funding Program - Recipient Training - Stormwater Session
For funding recipients of our Water Quality Combined Funding Program, this is the Stormwater project type part of the Recipient Training workshop
Water Quality Combined Funding Program - Recipient Training - Nonpoint Session
For funding recipients of our Water Quality Combined Funding Program, this is the Nonpoint project type part of the Recipient Training workshop
Water Quality Combined Funding Program Recipient Training - Wastewater Session
For funding recipients of our Water Quality Combined Funding Program, this is the Wastewater Facility project type part of the Recipient Training workshop
Monitoring watersheds for salmonids
Does salmon habitat restoration work? Our Intensively Monitored Watersheds program aims to find out.
River & stream water quality index
The Freshwater Quality Index can help you learn about river and stream health.
1921 results 1 - 20 of 1921   Next page