The map
The West on one map
Every reading on the site, placed where it lives: drought by state, storage at each dam, flow at each gauge. Color is condition vs the 5-yr median; click anything for its page.
Data through Jul 25, 2026
Drought — share of area in D1 or worse
0%50%100%
Storage & flow — vs the 5-yr median
-60%normal+60%
Shapes
reservoir (size = capacity) gauge basin rollup county drought
Gray states aren't tracked here — The Waterline covers the 11 western states. Allocations are a policy percentage, not a place, so they list as a panel.