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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Biochemical Oxygen Demand (BOD) - Benchsheet for bottle method

The worksheet for labs uses the bottle method for biochemical oxygen demand testing.

https://ecology.wa.gov/bod-benchsheet

BOD benchsheet for SM 5210B

This a quality-control tool for environmental laboratories is used with the 5-day Biochemical Oxygen Demand (BOD) test, Standard Method 5210-B.

https://ecology.wa.gov/bod-benchsheet-sm-5210b

pH benchsheet

is a quality-control tool for environmental laboratories.

https://ecology.wa.gov/ph-benchsheet

Total suspended solids benchsheet

is a quality-control tool for environmental laboratories.

https://ecology.wa.gov/total-suspended-solids-benchsheet

Quality Assurance Project Plan template

The template includes information and instructions needed for the preparation of a QA Project Plan.

https://ecology.wa.gov/qapp-template

Stream biological monitoring

We evaluate the health of rivers and streams by studying multiple aquatic communities.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/stream-biological-monitoring

Shelton Laundry groundwater monitoring

We measure volatile organic compounds from monitoring wells at the Shelton Laundry site.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/shelton-laundry

Watershed health sampling sites

Learn about the sites we sample.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/habitat-monitoring/watershed-health/sampling-sites

Models & spreadsheets

Computer models predict changes and spreadsheets calculate. We offer these tools to the public.

https://ecology.wa.gov/research-data/data-resources/models-spreadsheets

Active groundwater studies

We conduct groundwater studies for long- and short-term projects. Learn about our active studies.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index

Models and tools for water quality improvement

We use models to predict water quality changes to help find strategies to address pollution.

https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment/models-tools-for-tmdls

Groundwater quality assessment

Our hydrogeologists monitor and assess groundwater quality and quantity in Washington.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment

River & stream data quality assurance

See river and monitoring quality assurance plans, documents, and methods.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/water-quality-monitoring/river-stream-data-quality-assurance

Estimating nitrate groundwater impacts

We developed a method to estimate groundwater nitrate impacts from nutrients and fertilizers.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/nitrates-and-groundwater-quality-tool

Modeling the environment

Computer models mathematically represent part of the environment to predict potential changes.

https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment