Why levels are moving

Why levels are moving

Why western reservoir levels are rising or falling right now, updated every week the data moves.

Data through Aug 25, 2026 · updated Aug 27, 2026

Why are Western reservoir levels falling right now?
34.37M af across 20 tracked reservoirs as of Aug 25, 2026. Total storage has fallen 19 straight weeks.
34.37M af, the current story · Aug 25, 2026
-12% vs 5-yr median
Why are Western reservoir levels rising right now?
34.37M af across 20 tracked reservoirs as of Aug 25, 2026. Total storage has fallen 19 straight weeks.
Not the current direction · Aug 25, 2026
-12% vs 5-yr median