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The U.S. Geological Survey National Streamgage Network, 2024

Brian E. McCallum·Melissa L. Riskin
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Abstract

The U.S. Geological Survey (USGS) operated 12,165 continuous surface-water monitoring locations (streamgages) across the United States in 2024. The streamgages provide information on river height and streamflow, typically at 15-minute intervals. This information is then made available to everyone, most of it delivered nearly in realtime on the USGS National Water Dashboard.

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90° N90° S · 180° W ← longitude → 180° E
Source-reported bounding extent: 17.916022703877665° to 71.35706654962706° latitude; -178.2421875° to -65.2587890625° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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Brian E. McCallum, Melissa L. Riskin. 2025-07-02. The U.S. Geological Survey National Streamgage Network, 2024. https://doi.org/10.3133/gip252

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