Global Dams
Year Constructed
2024
19002024
Dam Type
Utility Areas
Modes
Water Quality Show water quality violations and contaminant alerts.
Violations Highlight utilities with recent compliance violations.
Ownership Type
Public (State / Local) Operated by municipal, county, or state agencies.
Private Utility Investor-owned water companies and cooperatives.
Federal Agency Federally operated systems — parks, military, tribal BIA.
Tribal / Native American Sovereign water systems operated by tribal nations.
Water Systems
Modes
Fill Level BETA Show real-time reservoir fill vs 20-yr average for live dams in the active system.
Divergence Trace how water moves from dams through aqueducts to utility service areas (e.g. Colorado River → MWD).
Flow Animation Animated flow showing real-time throughput along river corridors.
Infrastructure Layers
🏞 Dams & Reservoirs active
🔵 Utility Areas active
Aqueducts & Canals active
🏭 Treatment Plants coming soon
💧 Water Intakes coming soon
🔌 Distribution Mains coming soon
Colorado River System

Violations
Coming soon
EPA Report ↗
🌊
USACE
Floodwall
Flood
Protection

USACE Local Flood Protection Project
🏔
USGS
Watershed
HUC Boundary

USGS Watershed Boundary Dataset
HUC Code
Area
Acres
States
Fill Level Mode Active
40%
Fill Level Mode
Each reservoir shown as a tank — how full it is now vs its 20-year historical average.
Current level — today's fill %
20-yr avg — baseline for this month
Capacity ring — design max storage
Live USBR data for 4 Colorado reservoirs. Blue Mesa shown as estimate.
Map Style
Dark
Voyager
Bright