Wet water, not paper water.
Reservoir storage, basin rollups, drought class and allocations, pulled from the public record every day and compared to what is normal. One brief a week. No forecasts, no spin.
Data through Sep 9, 2026 · updated Sep 10, 2026
Latest issue · Sep 3, 2026
Rio Grande Surges 233% to 590 cfs, Now 39% Above Normal
The Rio Grande hit 590 cfs this week, up 233% week over week and now 39% above the five-year median. Blue Mesa fell 7% to 173,679 af. Elephant Butte holds at 27,644 af, 74% below normal.
Read the brief →Furthest below normal
All reservoirs →The data
Reservoirs
Storage vs the historical normal for major western reservoirs.
21 pagesBasins
Storage and streamflow rolled up by western river basin.
4 pagesDrought
Drought class by state and county, week over week.
24 pagesAllocations
CVP and SWP allocation announcements, as they land.
21 pagesStreamflow
Daily mean discharge at basin-representative gauges.
32 pagesSnowpack
Snow water equivalent vs the 1991-2020 median, by state and river basin.
5 pagesWhy levels are moving
Why western reservoir levels are rising or falling right now, updated every week the data moves.
2 pages