Gnirk Family Trust
Gnirk Family Trust is an earth dam located in Juneau County, Wisconsin, built in 1969. It carries a Low hazard potential classification and has a fair condition assessment.
About Gnirk Family Trust
The primary purpose of Gnirk Family Trust is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Gornick, Thomas (private). It impounds the Tr Brewer Creek near Mauston.
The dam stands 27 feet tall and stretches 310 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 25 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1969, 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 06/11/2009. That was over 16 years ago.
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Location
| State | Wisconsin |
| County | Juneau |
| Nearest City | Mauston |
| River/Stream | Tr Brewer Creek |
| Coordinates | 43.79341, -90.20253 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 310 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 180 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Gornick, Thomas |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/11/2009 |
| Emergency Action Plan | No |
Identifiers
| NID ID | WI00572 |
| Federal ID | WI00572 |
| More Info | State Dam Safety Program |