Harrison
Harrison is a gravity dam located in Lincoln County, Wisconsin, built in 1939. It carries a Low hazard potential classification and has a fair condition assessment.
About Harrison
The primary purpose of Harrison is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lincoln County - Forestry, Land & Parks Department (local government). It impounds the North Branch Pine Creek.
The dam stands 12 feet tall and stretches 340 feet across, creates a reservoir covering 206 acres, has a maximum storage capacity of 1,200 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1939, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 07/17/2014. That was over 11 years ago.
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Location
| State | Wisconsin |
| County | Lincoln |
| Nearest City | None |
| River/Stream | North Branch Pine Creek |
| Coordinates | 45.51641, -89.51178 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 340 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 1,200 acre-ft |
| Max Storage | 1,200 acre-ft |
| Normal Storage | 550 acre-ft |
| Surface Area | 206 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,675 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lincoln County - Forestry, Land & Parks Department |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/17/2014 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00271 |
| Federal ID | WI00271 |
| More Info | State Dam Safety Program |