Pokegama Dam - Dikes 1, 2 and 3 is an earth dam located in Itasca County, Minnesota, built in 1884. It carries a Significant hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 385 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 Pokegama Dam - Dikes 1, 2 and 3
The primary purpose of Pokegama Dam - Dikes 1, 2 and 3 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by USACE - St. Paul District (federal). It impounds the Mississippi near Grand Rapids.
The dam stands 17 feet tall and stretches 385 feet across, creates a reservoir covering 13,000 acres, has a maximum storage capacity of 120,000 acre-feet, and collects water from a drainage area of 660 square miles. Completed in 1884, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 07/13/2021.
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Location
| State | Minnesota |
| County | Itasca |
| Nearest City | Grand Rapids |
| River/Stream | Mississippi |
| Coordinates | 47.14200, -93.47010 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 385 ft |
| Year Completed | 1884 (142 years old) |
Storage & Hydraulics
| NID Storage | 120,000 acre-ft |
| Max Storage | 120,000 acre-ft |
| Normal Storage | 82,000 acre-ft |
| Surface Area | 13,000 acres |
| Drainage Area | 660 sq mi |
| Max Discharge | 6,000 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | USACE - St. Paul District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/13/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MN00584 |
| Federal ID | MN00584S001 |
| More Info | State Dam Safety Program |