USACE Great Lakes Daily Water Levels
US Army Corps of Engineers Detroit District daily water-level reports for Lakes Superior, Michigan-Huron, St. Clair, Erie and Ontario, part of the binational Great Lakes water-level monitoring record back to 1918.
water.usace.army.mil
At a glance
- Region
- United States (North America)
- Coverage
- Laurentian Great Lakes
- Access
- Free
- Category
- Government
- Last updated
- 2026
What's inside
- lake water level
- Great Lakes
What you can do with it
Typical work that data of this type supports.
- 01
Storage tracking
Follow storage and releases through the season.
Because it has: lake water level
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Operations
Support release and supply decisions.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Storage from space
Estimate volume from satellite water area and altimetry.
- 02
Release decisions
Optimise releases against inflow forecasts.
- 03
Shrinkage alerts
Detect water bodies that are drying or being encroached.
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