Lake Oroville Reservoir
Operational · California · Last reported May 2026
Source: Active NorCal
Lake Oroville, California's second-largest reservoir and the backbone of the State Water Project, is two feet from being completely full. The reservoir behind America's tallest dam hit 99% capacity on May 12, 2026, tracking 122% of its historical average for mid-May and still slowly rising. It serves 27 million people from San Jose to San Diego by sending water hundreds of miles south to cities an
- Status
- Under Construction
- Sector
- Hydro, Water Supply and Storage
- Location
- Oroville, California, United States of America
- Updated
- 22 Jul 2026
- Source
- Active NorCal
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Project Information
Participants
| Not available for this record. |
Status
Original status | operational |
Taiyo status | Under Construction |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | Lake Oroville, California's second-largest reservoir and the backbone of the State Water Project, is two feet from being completely full. The reservoir behind America's tallest dam hit 99% capacity on May 12, 2026, tracking 122% of its historical average for mid-May and still slowly rising. It serves 27 million people from San Jose to San Diego by sending water hundreds of miles south to cities and farms across the state. |
Original sector | Water Resources |
Location
Country | United States of America (USA) |
State | California |
City | Oroville |
Source
Source | Active NorCal |
URL |
More Details
Record type | Project |
Sector | Hydro, Water Supply and Storage |
Article published date | 2026-05-16 |
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