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| Calumet-Saganashkee Channel (CAL-SAG) | |
|---|---|
| Name | Calumet-Saganashkee Channel |
| Other name | CAL-SAG |
| Country | United States |
| State | Illinois |
| Length | 16 mi (26 km) |
| Source | Chicago Sanitary and Ship Canal |
| Mouth | Des Plaines River |
| Basin countries | United States |
Calumet-Saganashkee Channel (CAL-SAG) The Calumet-Saganashkee Channel is a man-made navigation canal in Cook County, Illinois, linking industrial waterways near Chicago, Illinois with inland rivers. Engineered in the early 20th century, it intersects municipal, industrial, and recreational sites including Blue Island, Illinois, Alsip, Illinois, and Palos Hills, Illinois. The channel functions as part of the broader Chicago Area Waterway System, connecting the Chicago Sanitary and Ship Canal, the Des Plaines River, and via locks to the Illinois River and the Mississippi River.
The channel extends roughly 16 miles through southwestern Cook County, Illinois, running adjacent to landmarks such as Lake Calumet, Saganashkee Slough, and the Cal-Sag Channel Forest Preserve. It was designed with banks lined by industrial corridors near Burnham, Illinois and residential suburbs like Hickory Hills, Illinois, employing navigation templates similar to the Chicago River improvements and the Sanitary District of Chicago projects. Its alignment crosses transportation arteries including the Chicago and North Western Railway, BNSF Railway, and Interstate 294.
Construction of the channel occurred during the 1920s and 1930s under authorities connected to the Sanitary District of Chicago and the Public Works Administration, influenced by earlier projects such as the Chicago Sanitary and Ship Canal (completed 1900) and flood-control measures prompted by the Great Flood of 1913. Contractors and engineers who worked on contemporaneous projects for entities like Metropolitan Water Reclamation District of Greater Chicago and consulting firms involved in the Hoover Administration era infrastructure initiatives contributed techniques for dredging, bank stabilization, and lock design. The channel's routing required coordination with Cook County Board planning, property acquisitions tied to Illinois Central Railroad corridors, and mitigation measures inspired by precedents like the Tanner's Creek and Calumet River modifications.
Hydrologically, the channel conveys flow between the Chicago Sanitary and Ship Canal and the Des Plaines River, forming a bypass that affects the Chicago Area Waterway System seasonal regimes. It interfaces with tributaries and wetlands including Tinley Creek, Salt Creek (Illinois), and the Calumet River watershed, and it is influenced by regulatory structures such as the Lockport Lock and Dam and management practices similar to Army Corps of Engineers projects on the Illinois Waterway. Seasonal variations reflect precipitation patterns tied to the Great Lakes basin and stormwater inputs from municipalities like Oak Lawn, Illinois and Worth, Illinois.
The channel supports commercial barge traffic, aggregate transport, and industrial service vessels, integrating with freight networks that include the Port of Chicago, St. Louis Riverfront, and inland terminals on the Illinois River. Industries along the banks historically encompassed steelworks linked to U.S. Steel, manufacturing complexes tied to General Motors, and material handling operations serving the Midwest supply chain. Vessel movements are coordinated with regional navigation authorities such as the U.S. Coast Guard districts and lock operators of the Metropolitan Water Reclamation District of Greater Chicago and conform to standards similar to those applied on the Ohio River and Mississippi River navigation systems.
The channel has been a focus for water-quality studies by agencies including the Illinois Environmental Protection Agency, U.S. Environmental Protection Agency, and regional conservation groups like the Openlands and the Shedd Aquarium research programs. Historical contamination from industrial discharges, runoff from corridors adjacent to Interstate 80, and legacy pollutants related to Coal Age operations prompted remediation and monitoring for contaminants such as polychlorinated biphenyls (PCBs) and heavy metals. Wetland habitats linked to the channel, including portions of the Palos Forest Preserves and Wolf Lake ecosystems, are monitored under programs analogous to Great Lakes Restoration Initiative efforts and state-led remediation similar to Superfund site assessments near Burnham Harbor.
Recreational uses include boating, angling for species monitored by the Illinois Department of Natural Resources, birdwatching tied to migratory corridors recognized by organizations such as the Audubon Society, and trails managed by the Forest Preserves of Cook County. Parks and access points near Calumet Country Club, Tinley Park, and the Saganashkee Slough Trail provide amenities for canoeing, kayaking, and cycling, paralleling recreational development seen along the Chicago Riverwalk and North Shore Channel. Events and educational programs are often run by nonprofits like the Calumet Fisheries outreach and local chapters of the Sierra Club.
Management responsibilities are distributed among entities including the Metropolitan Water Reclamation District of Greater Chicago, Cook County Department of Transportation and Highways, and municipal governments of adjacent suburbs. Infrastructure includes movable gates, dredged navigation channels, and bank armoring similar to projects overseen by the U.S. Army Corps of Engineers and maintenance activities coordinated with rail operators like the Union Pacific Railroad. Planning and capital improvements have been proposed through regional bodies such as the Chicago Metropolitan Agency for Planning and funding mechanisms reflecting programs administered by the Illinois Department of Transportation and federal agencies during multi-jurisdictional initiatives.
Category:Canals in Illinois Category:Transportation in Cook County, Illinois Category:Waterways of the United States