Gross Reservoir Dam Expansion Project
Sector: Water Supply and Storage • Location: Boulder County, Colorado, United States
Source: Construction & Demolition Recycling
The project involves expanding the Gross Reservoir Dam in Boulder County, Colorado, to triple its reservoir storage capacity by raising the dam height by 131 feet to 471 feet. It includes the use of 75,000 tons of roller compacted concrete supplied by Amrize, transforming the dam from a conventional concrete gravity dam into a concrete arch dam. Final activities such as spillway construction and r
- Status
- Under Construction
- Sector
- Water Supply and Storage, Hydro, Cement
- Location
- Boulder County, Colorado, United States of America
- Updated
- 22 Jul 2026
- Source
- Construction & Demolition Recycling
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Project Information
Participants
| Not available for this record. |
Status
Original status | under construction |
Taiyo status | Under Construction |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The project involves expanding the Gross Reservoir Dam in Boulder County, Colorado, to triple its reservoir storage capacity by raising the dam height by 131 feet to 471 feet. It includes the use of 75,000 tons of roller compacted concrete supplied by Amrize, transforming the dam from a conventional concrete gravity dam into a concrete arch dam. Final activities such as spillway construction and reservoir preparation are expected to continue through 2027. |
Original sector | Water Infrastructure |
Location
Country | United States of America (USA) |
State | Colorado |
City | Boulder County |
Source
Source | Construction & Demolition Recycling |
URL |
More Details
Record type | Project |
Sector | Water Supply and Storage, Hydro, Cement |
Article published date | 2026-07-16 |
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