Glen Ullin Railroad Dam 1 is a concrete dam located in Morton County, North Dakota, built in 1909. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 182 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Glen Ullin Railroad Dam 1
The primary purpose of Glen Ullin Railroad Dam 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nd Game & Fish (state). It impounds the Big Muddy Creek near Glen Ullin.
The dam stands 16 feet tall and stretches 182 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 143 acre-feet, and collects water from a drainage area of 80 square miles. Completed in 1909, the structure is over a century 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 06/07/2018.
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Location
| State | North Dakota |
| County | Morton |
| Nearest City | Glen Ullin |
| River/Stream | Big Muddy Creek |
| Coordinates | 46.81724, -101.83637 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 182 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 143 acre-ft |
| Max Storage | 143 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 80 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nd Game & Fish |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/07/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00089 |
| Federal ID | ND00089 |
| More Info | State Dam Safety Program |