Brunner is an earth dam located in Dane County, Wisconsin, built in 1962. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 23 ft23 ft tall and 645 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Brunner
The primary purpose of Brunner is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Rasmussen Family LLC (private). It impounds the Tr Sugar.
The dam stands 23 feet tall and stretches 645 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1962, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/17/2022.
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Location
| State | Wisconsin |
| County | Dane |
| Nearest City | None |
| River/Stream | Tr Sugar |
| Coordinates | 43.00128, -89.64387 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 645 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 280 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Rasmussen Family LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/17/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00548 |
| Federal ID | WI00548 |
| More Info | State Dam Safety Program |