Clam River
Key Takeaway
Clam River is classified as low hazard in Wisconsin. It was completed in 1944 and is 82 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 40 ft (taller than 92.6% in WI) |
| Dam Length | 1,223 ft |
| Dam Type | Gravity |
| Max Storage | 3.8K acre-ft |
| Normal Storage | 3.8K acre-ft |
| Surface Area | 360 acres |
| Drainage Area | 380 sq mi |
| Max Discharge | 6,095 cfs |
| Year Completed | 1944 (82 years old) |
| NID ID | WI00004 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Northwestern Wisconsin Electric Company
Public Utility
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Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Clam River?
Clam River is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Clam River?
Clam River is owned by Northwestern Wisconsin Electric Company (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Clam River built?
Clam River was completed in 1944, making it 82 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 Clam River?
Clam River serves the following purposes: Hydroelectric, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Clam River?
Clam River has a dam height of 40 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Clam River last inspected?
Clam River was last inspected on May 18, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.