Blowers Dam is an earth dam located in Kanabec County, Minnesota, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 600 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 Blowers Dam
Blowers Dam is a dam in Kanabec, Minnesota. The dam is owned by Blowers, Craig (private). It impounds the Ann River near Grasston.
The dam stands 10 feet tall and stretches 600 feet across, creates a reservoir covering 69 acres, has a maximum storage capacity of 619 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, 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 07/11/2024.
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Location
| State | Minnesota |
| County | Kanabec |
| Nearest City | Grasston |
| River/Stream | Ann River |
| Coordinates | 45.90461, -93.44584 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 600 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 619 acre-ft |
| Max Storage | 619 acre-ft |
| Normal Storage | 173 acre-ft |
| Surface Area | 69 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 312 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Blowers, Craig |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/11/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01032 |
| Federal ID | MN01032 |
| More Info | State Dam Safety Program |