Lake Powell Elevation Data

2026-02-13 • 24 min read

Research notes and charted source data for Lake Powell reservoir elevation over time.

This post contains Lake Powell elevation data references and visualizations for research and review.

Elevation

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Seasonal Comparison (Jan → Dec, Recent 25 Years)

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Storage

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Inflow

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Data Sources

Data sources:

  • Elevation: /data/elevation.csv (mirrored from USBR source CSV https://www.usbr.gov/uc/water/hydrodata/reservoir_data/919/csv/49.csv)
  • Storage (acre-feet): /data/storage.csv (mirrored from USBR source CSV https://www.usbr.gov/uc/water/hydrodata/reservoir_data/919/csv/17.csv)
  • Inflow volume: /data/inflow-volume.csv (mirrored from USBR source CSV https://www.usbr.gov/uc/water/hydrodata/reservoir_data/919/csv/30.csv)

Reference elevations used in the chart:

  • Power generation level: 3490 ft
  • Dead pool level: 3370 ft

Citation: Bureau of Reclamation, News Release 4405 (2022), which states Lake Powell risk below minimum power pool (3490 ft) and defines dead pool (3370 ft): https://usbr.gov/newsroom/news-release/4405