Starved Rock Lock and Dam
Starved Rock Lock and Dam, Navigation lock and dam complex in LaSalle County, United States
The facility includes a 1310-foot reinforced concrete gravity dam with a 518-foot headgate section and a 714-foot controlled spillway along the Illinois River.
Construction of the Starved Rock Lock and Dam began in 1926 and was completed in 1933 by the federal government under the Rivers and Harbors Act.
The structure represents a critical component of the Illinois Waterway system, connecting the Great Lakes to the Mississippi River through central United States.
The lock measures 110 by 600 feet and enables vessels to navigate through an elevation change of approximately 18 feet using horizontal miter gates.
The facility contains a hydroelectric power station with 7,600 kW generation capacity and spans across 27.95 acres of designated historic district land.
Location: LaSalle County
Inception: 1933
Architects: Walter Mickle Smith
Elevation above the sea: 137 m
GPS coordinates: 41.32250,-88.98560
Latest update: March 5, 2025 04:17
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