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.

12,164 Water Bodies
50 States Covered
Jun 12 Last Updated

Network Storage Snapshot

Major reservoirs with available full-pool elevation data

Water Bodies Tracked
12,164
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 12, 2026
USGS & Bureau of Reclamation