Winter is a gravity dam located in Sawyer County, Wisconsin, built in 1952. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 145 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Winter
The primary purpose of Winter 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 (public utility). It impounds the East Fork Chippewa near Ojibwa.
The dam stands 25 feet tall and stretches 145 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 228 square miles. Completed in 1952, the structure is well into its service life at over 50 years 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 07/19/2018.
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Location
| State | Wisconsin |
| County | Sawyer |
| Nearest City | Ojibwa |
| River/Stream | East Fork Chippewa |
| Coordinates | 45.92870, -90.95620 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 25 ft |
| Dam Height | 9 ft |
| Dam Length | 145 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 228 sq mi |
| Max Discharge | 6,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Flambeau Hydro, LLC |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/19/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00798 |
| Federal ID | WI00798 |
| More Info | State Dam Safety Program |