Banks Group is an earth dam located in Goodhue County, Minnesota, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 420 ft long, taller than 68% 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 Banks Group
The primary purpose of Banks Group 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 Holst, William III (private). It impounds the Butler Creek near Cannon Falls.
The dam stands 30 feet tall and stretches 420 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 30 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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. The most recent inspection on record was 05/08/2024.
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Location
| State | Minnesota |
| County | Goodhue |
| Nearest City | Cannon Falls |
| River/Stream | Butler Creek |
| Coordinates | 44.43075, -92.84977 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 26 ft |
| Dam Length | 420 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 60 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Holst, William III |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/08/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00459 |
| Federal ID | MN00459 |
| More Info | State Dam Safety Program |