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Basins

Wind-Bighorn-Missouri basin

Reservoir storage across Wyoming

Last updated Jun 18, 2026

Wind-Bighorn-Missouri basin storage — acre-feet

1 tracked reservoir holding 547,309 af combined.

The numbers
Reservoir	Storage	As of
Boysen Reservoir	547,309 af	Jun 16, 2026

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The Watershed reports public data from the US Bureau of Reclamation, USGS, the US Drought Monitor, and state water agencies. It is not investment, legal, or water-rights advice. Allocations and drought classes are reported as published by their agencies; we do not forecast them.

© 2026 The Watershed. Public data, plainly read.