Peoria Lock and Dam
Key Takeaway
Peoria Lock and Dam is classified as significant hazard in Illinois. It was completed in 1939 and is 87 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 536 ft |
| Dam Type | Concrete |
| Max Storage | 225.0K acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 14,544 sq mi |
| Max Discharge | 111,000 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | IL01014 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
USACE - Rock Island District
Federal Government
Nearby Dams
Wahelo Pond Dam
Tazewell, IL
Low Hazard 43 ftHome Lake Dam
Tazewell, IL
Low Hazard 36 ftLutticken Lake Dam
Tazewell, IL
Low Hazard 60 ftE. D. Edwards Station Ash Pond
Peoria, IL
High Hazard 25 ftLutticken South Pond Dam
Tazewell, IL
Low Hazard 33 ftBirkey Lake Dam
Tazewell, IL
Low Hazard 28 ftNorthern Oaks Lake Dam
Tazewell, IL
Low Hazard 50 ftWildwood Lake Dam
Tazewell, IL
Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Peoria Lock and Dam?
Peoria Lock and Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Peoria Lock and Dam?
Peoria Lock and Dam is owned by USACE - Rock Island District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Peoria Lock and Dam built?
Peoria Lock and Dam was completed in 1939, making it 87 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Peoria Lock and Dam?
Peoria Lock and Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Peoria Lock and Dam last inspected?
Peoria Lock and Dam was last inspected on July 22, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.