Garden Valley 10 is an earth dam located in Buffalo County, Wisconsin, built in 1966. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 42 ft42 ft tall and 700 ft long, taller than 88% of U.S. dams with a recorded height. 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 Garden Valley 10
The primary purpose of Garden Valley 10 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Buffalo County (local government). It impounds the Rose Valley near Buffalo City.
The dam stands 42 feet tall and stretches 700 feet across, has a maximum storage capacity of 335 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1966, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 12/16/2014. That was over 11 years ago.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Wisconsin |
| County | Buffalo |
| Nearest City | Buffalo City |
| River/Stream | Rose Valley |
| Coordinates | 44.25922, -91.82679 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 700 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 335 acre-ft |
| Max Storage | 335 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 6,222 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Buffalo County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 12/16/2014 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00354 |
| Federal ID | WI00354 |
| More Info | State Dam Safety Program |