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| Robert S. Kerr Lock and Dam | |
|---|---|
| Name | Robert S. Kerr Lock and Dam |
| Location | near Webbers Falls, Oklahoma, United States |
| Coordinates | 35°05′N 95°06′W |
| Operator | United States Army Corps of Engineers |
| Dam type | gated concrete gravity |
| River | Arkansas River |
| Construction begin | 1964 |
| Opening | 1970 |
| Reservoir | Webbers Falls Pool |
| Plant capacity | 18.9 MW |
Robert S. Kerr Lock and Dam Robert S. Kerr Lock and Dam is a navigation and hydroelectric complex on the Arkansas River near Webbers Falls, Oklahoma that links inland navigation, flood control, and power generation. Managed by the United States Army Corps of Engineers and named for Robert S. Kerr, a former United States Senator from Oklahoma, the project integrates with the McClellan-Kerr Arkansas River Navigation System and regional infrastructure such as Interstate 40, U.S. Route 64, and nearby Tahlequah, Oklahoma. The facility plays roles in commerce associated with the Port of Catoosa, barge traffic serving the Mississippi River, and energy supply across the Southwestern United States.
The complex sits within Sequoyah County, Oklahoma and creates the Webbers Falls Pool, serving navigation between upstream structures like Barren River Lock and Dam equivalents and downstream projects including Tulahina-era works (see McClellan-Kerr Arkansas River Navigation System). The site supports towboat and barge operations linked to the Port of Muskogee and trade corridors to New Orleans, Louisiana and Memphis, Tennessee. Operational oversight is provided by the Little Rock District of the United States Army Corps of Engineers, while energy dispatch interacts with regional entities such as the Southwestern Power Administration.
Authorization came under federal river navigation policies shaped by legislation passed during the administrations of presidents such as John F. Kennedy and Lyndon B. Johnson, building on planning from the Tennessee Valley Authority era and the navigational agenda championed by Robert S. Kerr. Construction began in the mid-1960s with contractors and engineers coordinating with firms familiar from projects like Gavins Point Dam and Bonneville Dam. Funding and oversight included congressional committees such as the House Committee on Public Works and the Senate Committee on Public Works. The lock and dam were completed and placed in service in 1970, with dedication ceremonies attended by state leaders from Oklahoma and federal officials from the Army Corps of Engineers.
The dam is a gated concrete structure with tainter gates and a spillway array designed by civil engineers influenced by precedents at Lock and Dam No. 11 (Mississippi River) and Eufaula Lake projects. The navigation chamber measures typical dimensions compatible with McClellan-Kerr standards, accommodating 600-foot tows and standard barge configurations used on the Arkansas River. The powerhouse houses Kaplan turbines coupled to generators delivering a nameplate capacity near 18.9 megawatts, paralleling small hydro installations at Dardanelle Lock and Dam and Pittsburg Power Plant designs. Structural materials and geotechnical work referenced methods used at Kissimmee River modifications and soil stabilization techniques common in U.S. Corps of Engineers projects.
Lock operations follow procedures established across the McClellan-Kerr Arkansas River Navigation System, coordinated with vessel traffic control centers and pilotage practices similar to those on the Ohio River and Missouri River. The lock chamber supports commercial tow traffic servicing industries in Tulsa, Oklahoma, Fort Smith, Arkansas, and the Arkansas River Valley, linking to grain elevators, steel mills, and petrochemical facilities that rely on river transport. Scheduling and maintenance are coordinated with the Inland Waterways Users Board and regional shippers represented by associations such as the American Waterways Operators. Emergency responses involve liaison with the Federal Emergency Management Agency and state agencies like the Oklahoma Department of Emergency Management.
Hydroelectric generation at the site contributes to the regional grid managed by entities including the Southwestern Power Administration and balances load with other federal hydro assets like Webbers Falls Power Plant-era siblings. Water management integrates flood control strategies used historically during events such as the Great Flood of 1993 and coordinates reservoir releases with downstream facilities like Keystone Lake and Robert S. Kerr Lake-adjacent impoundments (note: distinct naming conventions). The facility supports agricultural irrigation withdrawals servicing watersheds tied to the Arkansas River Basin, and operations are informed by hydrologic modeling practiced by organizations such as the United States Geological Survey.
Environmental assessments referenced frameworks developed after the National Environmental Policy Act and involved agencies including the U.S. Fish and Wildlife Service and the Environmental Protection Agency. Impacts addressed include aquatic habitat alteration affecting species found in the Arkansas River corridor, mitigation measures for fish passage akin to those at Lock and Dam No. 19 and wetland conservation modeled after Bottomland hardwood restoration projects. Local conservation groups such as the Nature Conservancy and state entities including the Oklahoma Department of Wildlife Conservation have engaged in habitat enhancement, invasive species monitoring, and water quality initiatives paralleling programs executed on the Missouri River and Red River systems.
The reservoir and adjacent lands provide recreational opportunities similar to other Corps-managed sites like Lake Texoma and Lake Eufaula, Oklahoma, offering fishing for species targeted by anglers from Tulsa and Muskogee, boating access, hunting on managed tracts, and interpretation via visitor facilities. Public access points connect to local transportation networks including Oklahoma State Highway 64 and offer trail connections analogous to riverfront trails found in Little Rock, Arkansas and Birmingham, Alabama. Educational partnerships have involved universities such as the University of Oklahoma and the Oklahoma State University system for research into hydrology, ecology, and civil engineering.
Category:Dams in Oklahoma Category:Hydroelectric power stations in Oklahoma Category:United States Army Corps of Engineers dams