Clam River
Clam River is a gravity dam located in Burnett County, Wisconsin, built in 1944. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Clam River
The primary purpose of Clam River 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 Northwestern Wisconsin Electric Company (public utility). It impounds the Clam River.
The dam stands 46 feet tall and stretches 1,223 feet across, creates a reservoir covering 360 acres, has a maximum storage capacity of 3,825 acre-feet, and collects water from a drainage area of 380 square miles. Completed in 1944, the structure is well-established, with more than 75 years of service.
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 05/18/2022.
At 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Wisconsin |
| County | Burnett |
| Nearest City | None |
| River/Stream | Clam River |
| Coordinates | 45.94670, -92.53810 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 46 ft |
| Dam Height | 40 ft |
| Dam Length | 1,223 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 3,825 acre-ft |
| Max Storage | 3,825 acre-ft |
| Normal Storage | 3,825 acre-ft |
| Surface Area | 360 acres |
| Drainage Area | 380 sq mi |
| Max Discharge | 6,095 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Northwestern Wisconsin Electric Company |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/18/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00004 |
| Federal ID | WI00004 |
| More Info | State Dam Safety Program |