Glossary
USGS
The U.S. Geological Survey (USGS) collects and publishes inland water observations—streamgages, lake levels, and related datasets—that feed many third-party lake apps and research products.
Published May 16, 2026 · Editorial standards
Related lake intelligence
Lake Marion
/lakes/marion-kissimmee
Explore Lake Marion for live levels, pool context, and lake intelligence on Lake Insights. Published levels use NGVD29 relative to MSL unless the lake page notes otherwise.
Related lake intelligence
Indian Lake
/lakes/indian-lake-oh
Explore Indian Lake for live levels, pool context, and lake intelligence on Lake Insights. Published levels use MSL unless the lake page notes otherwise.
Related lake intelligence
Lake Greenwood
Reference information only. See data sources, editorial standards, or suggest a correction.
