Washington Ecology Water Quality Atlas
Interactive map and information system from Washington Department of Ecology providing water quality data for the state's lakes, rivers, streams and estuaries including 303(d) assessment status.
apps.ecology.wa.gov
At a glance
- Region
- United States (North America)
- Coverage
- Sub-national
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- Water quality
- Assessment / 303(d)
- Lakes
- Estuaries
What you can do with it
Typical work that data of this type supports.
- 01
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Water quality
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Storage tracking
Follow storage and releases through the season.
Because it has: Lakes
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
- 02
Anomaly alerts
Catch sudden spikes in sensor or lab data automatically.
- 03
Storage from space
Estimate volume from satellite water area and altimetry.
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