Norman #4 (fergus)
Norman #4 (fergus) is an earth dam located in Fergus County, Montana, built in 1945. It carries a Low hazard potential classification.
About Norman #4 (fergus)
The primary purpose of Norman #4 (fergus) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Millard M Norman (private). It impounds the Plum Creek near No Town.
The dam stands 21 feet tall and stretches 1,060 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 101 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1945, 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 | Montana |
| County | Fergus |
| Nearest City | No Town |
| River/Stream | Plum Creek |
| Coordinates | 47.38340, -109.58350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,060 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 71 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 137 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MILLARD M NORMAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00938 |
| Federal ID | MT00938 |
| More Info | State Dam Safety Program |