Upper Dam
Upper Dam is a gravity dam located in Price County, Wisconsin, built in 1916. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Upper Dam
The primary purpose of Upper Dam is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Flambeau Hydro, Llc (private). It impounds the North Fork Flambeau near Park Falls.
The dam stands 18 feet tall and stretches 200 feet across, creates a reservoir covering 432 acres, has a maximum storage capacity of 3,280 acre-feet, and collects water from a drainage area of 720 square miles. Completed in 1916, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/13/2022.
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Location
| State | Wisconsin |
| County | Price |
| Nearest City | Park Falls |
| River/Stream | North Fork Flambeau |
| Coordinates | 45.93843, -90.44407 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 200 ft |
| Year Completed | 1916 (110 years old) |
Storage & Hydraulics
| NID Storage | 3,280 acre-ft |
| Max Storage | 3,280 acre-ft |
| Normal Storage | 3,279 acre-ft |
| Surface Area | 432 acres |
| Drainage Area | 720 sq mi |
| Max Discharge | 9,260 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Flambeau Hydro, Llc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/13/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00786 |
| Federal ID | WI00786 |
| More Info | State Dam Safety Program |