Brown Diversion Dam
Brown Diversion Dam is an earth dam located in Liberty County, Montana, built in 1976. It carries a Low hazard potential classification.
About Brown Diversion Dam
The primary purpose of Brown Diversion Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by E. Irvin I Brown (private). It impounds the Sears Coulee near Havre.
The dam stands 30 feet tall and stretches 400 feet across, has a maximum storage capacity of 72 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1976, the structure is 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.
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Location
| State | Montana |
| County | Liberty |
| Nearest City | Havre |
| River/Stream | Sears Coulee |
| Coordinates | 48.93000, -111.26330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 400 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 47 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 400 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | E. IRVIN I BROWN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01572 |
| Federal ID | MT01572 |
| More Info | State Dam Safety Program |