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Caloosahatchee (C43) West Basin Storage Reservoir Package 4 - Civil Works
Owner: South Florida Water Management District (SFWMD)
Location: Labelle, FL
Project Cost: $524 million
Project Type: Locks & Dams | Procurement Type: Bid-Build
State: Florida | Status: Ongoing
Over the years, the Caloosahatchee Estuary in south Florida has suffered due to effects on natural water flows caused by residential and agricultural development in the area. Lane, in JV with its parent company, Salini Impregilo, has won a contract valued at $524 million to construct a south Florida reservoir that will serve as a critical step in preserving the region’s ecosystem.
Once completed, the Caloosahatchee (C43) West Basin Storage Reservoir project will promote a healthy biological system through the capture and controlled release of water. During wet periods, it will reduce the amount of freshwater flows to the estuary from basin runoff and harmful discharges from the nearby Lake Okeechobee. During dry periods, it will help maintain a desirable minimum flow of fresh water to the estuary and to use the stored water to contribute positively to the surrounding areas irrigation needs.
The project scope features the construction of a sand embankment dam with a perimeter of approximately 16.3 miles and a separator dam of 2.8 miles in length. The reservoir will encompass approximately 10,000 acres and store 170,000 acre-feet of water when full.
- 2-cell 10,000-acre reservoir with 170,000 acre-feet of storage and a dam height of 27-38 feet
- 18 water control structures with discharge piping
- approximately 19 miles of dam embankment
- 14.7 miles of perimeter canal
- Soil bentonite seepage barrier, soil cement lining, seepage management system, and pressure relief system
- Discharge piping for S-470 pump station (already constructed)
- Construction of local and site access bridge
- Recreation features
Groundbreaking activities started in October 2019.