Lazy E Bar 9 is an earth dam located in Fallon County, Montana, built in 1954. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 120 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 Lazy E Bar 9
The primary purpose of Lazy E Bar 9 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Lazy E Bar 9 Corp (private). It impounds the Tr-little Beaver Creek near Marmarth North Dakota.
The dam stands 20 feet tall and stretches 120 feet across, has a maximum storage capacity of 103 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1954, the structure is well into its service life at over 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 | Fallon |
| Nearest City | Marmarth North Dakota |
| River/Stream | Tr-little Beaver Creek |
| Coordinates | 46.11970, -104.19650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 120 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 103 acre-ft |
| Max Storage | 103 acre-ft |
| Normal Storage | 53 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Lazy E Bar 9 Corp |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02396 |
| Federal ID | MT02396 |
| More Info | State Dam Safety Program |