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Global Dams
Year Constructed
2024
19002024
Dam Type
Utility Areas
Modes
Water Quality
Show water quality violations and contaminant alerts.
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Violations
Highlight utilities with recent compliance violations.
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Ownership Type
Public (State / Local)
Operated by municipal, county, or state agencies.
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Private Utility
Investor-owned water companies and cooperatives.
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Federal Agency
Federally operated systems — parks, military, tribal BIA.
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Tribal / Native American
Sovereign water systems operated by tribal nations.
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Water Systems
Modes
Fill Level BETA
Show real-time reservoir fill vs 20-yr average for live dams in the active system.
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Divergence
Trace how water moves from dams through aqueducts to utility service areas (e.g. Colorado River → MWD).
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Flow Animation
Animated flow showing real-time throughput along river corridors.
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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
Global Energy
Year Online
All years
All
19502026
Scrub or play to see facilities come online year by year. Features with no year data always show.
Minimum Capacity
All sizes
Any151025
501002505001GW5GW
Hide small facilities and focus on utility-scale plants. Layers without MW data (extraction sites, LNG) always show.
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USACE
Floodwall
Floodwall
Flood
Protection
Protection
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USGS
Watershed
Watershed
HUC Boundary
Fill Level Mode Active
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