Upper Dam
Upper Dam is a gravity dam located in Shawano County, Wisconsin, built in 1883. 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 Gresham, Village Of (local government). It impounds the Red River near Gresham.
The dam stands 35 feet tall and stretches 289 feet across, creates a reservoir covering 215 acres, has a maximum storage capacity of 1,300 acre-feet, and collects water from a drainage area of 147 square miles. Completed in 1883, 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 07/12/2017.
At 35 feet, this dam is taller than 82% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wisconsin |
| County | Shawano |
| Nearest City | Gresham |
| River/Stream | Red River |
| Coordinates | 44.85500, -88.78830 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 35 ft |
| Dam Height | 18 ft |
| Dam Length | 289 ft |
| Year Completed | 1883 (143 years old) |
Storage & Hydraulics
| NID Storage | 1,300 acre-ft |
| Max Storage | 1,300 acre-ft |
| Normal Storage | 1,300 acre-ft |
| Surface Area | 215 acres |
| Drainage Area | 147 sq mi |
| Max Discharge | 2,600 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Gresham, Village of |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/12/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00799 |
| Federal ID | WI00799 |
| More Info | State Dam Safety Program |