Research & Data

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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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Research & Data

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

Research & Data icon

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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Input data for modeling emissions inventory for Prevention of Significant Deterioration-permitted facilities
This is a spreadsheet of the input data for modeling emissions inventory for Prevention of Significant Deterioration-permitted facilities.
https://ecology.wa.gov/201603prevsignificantdeteriorationsupp
Prevention of Significant Deterioration baseline emissions inventory technical support
This is the technical support document for the baseline emissions inventory for facilities with a Prevention of Significant Deterioration permit.
https://ecology.wa.gov/201603prevofsignificantdeteriorationtechsupport
BEACH annual report
See our annual county-by-county report on bacterial levels at saltwater swimming beaches for 2023.
https://ecology.wa.gov/research-data/monitoring-assessment/beach-annual-report
Marine water & sediment monitoring
We conduct water and sediment long-term monitoring to identify ecosystem changes.
https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring
Data collection methods
We collect beach topography and nearshore bathymetry data using GPS, boat-based lidar, and sonar.
https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/data-collection-methods
Eyes Over Puget Sound
We provide documentation of Puget Sound waterways using community submissions and aerial photography.
https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring/eyes-over-puget-sound
Coastal Monitoring & Analysis Program projects
Learn about coastal mapping and monitoring projects around Puget Sound and Pacific coast.
https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects
Jellyfish in Puget Sound
Jellyfish numbers may be increasing in Puget Sound. You can help us monitor them.
https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring/jellyfish
Marine algae & plankton
Marine algae blooms are overgrowths of plankton. They can look like a spill in the water.
https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring/marine-algae-plankton
River & stream flow monitoring methods
We measure water's width, depth, and speed in rivers and streams to compute streamflow.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/flow-monitoring/river-stream-flow-monitoring-methods
Mapping Puget Sound bluffs and beaches
We collect topographic data about Puget Sound beaches and bluffs.
https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/mapping-puget-sound-bluffs-and-beaches
Puget Sound feeder bluff mapping
We map the feeder bluffs that feed Puget Sound beaches with sand to understand and protect them.
https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/projects/puget-sound-feeder-bluff/puget-sound-feeder-bluff-mapping
Watershed health — Lower Columbia update
River and stream habitats in the Lower Columbia Region show some slight downward trends.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/lower-columbia
Watershed health — Coastal Region update
River and stream habitat in the Coastal Region may show some improvements, but changes are slight.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/coastal
Watershed health — Mid-Columbia update
River and stream habitat in the Mid-Columbia Region shows slight improvement.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/mid-columbia
Watershed health — Puget Sound Region update
River and stream habitat in the Puget Sound Region shows variable conditions.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/puget-sound
Watershed health — Snake River update
River and stream habitat in the Snake River Region shows variable conditions.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/snake-river
Watershed health — Upper Columbia update
River and stream habitat in the Snake River Region shows mostly good conditions.
https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/regional-reports/upper-columbia
2020-21 Project Awards: Chehalis River Basin Aquatic Species Restoration Plan
Descriptive list of state grant awards for aquatic habitat restoration projects in the Chehalis Basin
https://ecology.wa.gov/2020-21-asrp-project-list
Online tool: Air quality monitoring network
Map-based tool providing near real-time air quality information to protect health. It's used to determine if air quality meets health-based federal standards.
https://ecology.wa.gov/air-quality-monitoring-network
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