Live USGS Telemetry — Updated Daily

United States Water Levels
& Reservoir Analytics

Independent tracking of critical water storage infrastructure across all 50 states. Data aggregated from USGS, Bureau of Reclamation, and state agencies.

12,158 Water Bodies
50 States Covered
Jun 5 Last Updated

Network Storage Snapshot

Major reservoirs with available full-pool elevation data

Water Bodies Tracked
12,158
Across all 50 states
Near Full Pool
0
≥ 90% of operational range
Below Average
1
Under 30% capacity
Critical Status
1
Under 15% — drought alert
Last Data Update
Jun 5, 2026
USGS & Bureau of Reclamation