Garrison Dam Spillway Modification Project
Sector: Hydro • Location: Garrison, North Dakota, United States
Source: The Bismarck Tribune
A broader $1.8 billion project to modify the Garrison Dam spillway to improve flood control and safety. It includes replacing the spillway's drainage system, placing a reinforced concrete overlay in the spillway chute, construction to prevent erosion, and other safety modifications. The project is in the Preconstruction Engineering and Design phase started in 2023, with construction expected to be
- Status
- Prospective
- Sector
- Hydro, Cement, Water Supply and Storage, Waste Processing and Treatment, Government
- Location
- Garrison, North Dakota, United States of America
- Updated
- 22 Jul 2026
- Source
- The Bismarck Tribune
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Project Information
Participants
Sponsoring Agency | |
Company |
Status
Original status | Planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | A broader $1.8 billion project to modify the Garrison Dam spillway to improve flood control and safety. It includes replacing the spillway's drainage system, placing a reinforced concrete overlay in the spillway chute, construction to prevent erosion, and other safety modifications. The project is in the Preconstruction Engineering and Design phase started in 2023, with construction expected to begin in 2029. |
Original sector | Water Infrastructure |
Budget |
Location
Country | United States of America (USA) |
State | North Dakota |
City | Garrison |
Source
Source | The Bismarck Tribune |
URL |
More Details
Record type | Project |
Sector | Hydro, Cement, Water Supply and Storage, Waste Processing and Treatment, Government |
Article published date | 2025-06-18 |
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