Thursday, October 1, 2026 Search

Great Lakes Ledger

Science, health, and the planet, explained.
Environment

The Great Lakes: Size, Depth, and What Makes Each Lake Different

Compare the five Great Lakes by surface area, depth, volume and retention time using EPA figures, and see why Superior holds more water than the other four.

The Great Lakes: Size, Depth, and What Makes Each Lake Different Environment

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The water you drink, the science behind it.

One email a week. The freshwater research, health findings, and environmental data that matter across the basin, written so you can actually use them.