Callahan Dike
Callahan Dike is an earth dam located in Chippewa County, Wisconsin, built in 1907. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Callahan Dike
The primary purpose of Callahan Dike 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 Northern States Power Co (public utility). It impounds the Chippewa River.
The dam stands 40 feet tall, creates a reservoir covering 4,300 acres, and has a maximum storage capacity of 46,000 acre-feet. Completed in 1907, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/22/2017.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Wisconsin |
| County | Chippewa |
| River/Stream | Chippewa River |
| Coordinates | 45.26170, -91.10110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 46,000 acre-ft |
| Max Storage | 46,000 acre-ft |
| Normal Storage | 46,000 acre-ft |
| Surface Area | 4,300 acres |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Northern States Power Co |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/22/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00732 |
| Federal ID | WI00732S002 |
| More Info | State Dam Safety Program |