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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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