LAGOS-US / LAGOS Lake Ecological Database
Open-access research platform integrating compiled limnological water-quality data (chemistry, nutrients, Secchi, chlorophyll) for nearly 480,000 lakes across the conterminous United States, with 12 open data modules and 5+ million in-situ chemistry observations spanning 1925-2021.
lagoslakes.org
At a glance
- Region
- United States (North America)
- Coverage
- National
- Access
- Free
- Category
- Academic
- Last updated
- 2025
What's inside
- Lake water quality
- Nutrients
- Chlorophyll
- Limnology
- Geospatial
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: Lake water quality
- 02
Compliance checks
Compare samples against drinking water and discharge standards.
- 03
Storage tracking
Follow storage and releases through the season.
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.
Related water data
- EDI: North Temperate Lakes LTER Water Chemistry (knb-lter-ntl.33)North America | Free
- Environmental Data Initiative (EDI) Repository - LAGOS-USNorth America | Free
- Lake Champlain Basin Program - Long-term Water Quality MonitoringNorth America | Free
- LakeBeD-US Lake Benchmark DatasetNorth America | Free
- LakeBeD-US: Computer Science Edition (Hugging Face)North America | Free
- Minnesota Pollution Control Agency Surface Water DataNorth America | Free
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