Brownlee Dam
Brownlee Dam is an other dam located in Cass County, North Dakota, built in 1934. It carries a Low hazard potential classification.
About Brownlee Dam
The primary purpose of Brownlee Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Maple River Wrb (local government). It impounds the Maple River near Mapleton.
The dam stands 16 feet tall and stretches 120 feet across, has a maximum storage capacity of 412 acre-feet, and collects water from a drainage area of 474 square miles. Completed in 1934, the structure is well-established, with more than 75 years of service.
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.
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Location
| State | North Dakota |
| County | Cass |
| Nearest City | Mapleton |
| River/Stream | Maple River |
| Coordinates | 46.86707, -97.10299 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 120 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 412 acre-ft |
| Max Storage | 412 acre-ft |
| Normal Storage | 276 acre-ft |
| Drainage Area | 474 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Maple River WRB |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00187 |
| Federal ID | ND00187 |
| More Info | State Dam Safety Program |