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 30, 2026 · updated Oct 1, 2026
Latest issue · Oct 1, 2026
San Luis Reservoir at 1.47M af, 45% Above the Five-Year Median
San Luis Reservoir stands at 1.47M af as water year 2027 opens, 45% above its five-year median. Salt-Gila streamflow surged to 10,800 cfs, up 3,771% on the week. Oroville fell 5% to 1.63M af.
Read the brief →Furthest below normal
All reservoirs →The data
Reservoirs
Storage vs the historical normal for major western reservoirs.
22 pagesDrought
Drought by western state, week over week, with the counties we track on each state's page.
11 pagesAllocations
CVP and SWP allocation announcements, as they land.
1 pageStreamflow
Daily mean discharge at basin-representative gauges.
13 pagesSnowpack
Snow water equivalent vs the 1991-2020 median, by state and river basin.
5 pages