Marstaeller Irrigation Dam is an earth dam located in Sweet Grass County, Montana, built in 1984. It carries a Low hazard potential classification.
Dam profile
NID height · 39 ft39 ft tall and 480 ft long, taller than 85% of U.S. dams with a recorded height. 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 Marstaeller Irrigation Dam
The primary purpose of Marstaeller Irrigation Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gerald Marstaeller (private). It impounds the Tony (pruett) Creek near Lavina.
The dam stands 39 feet tall and stretches 480 feet across, and has a maximum storage capacity of 270 acre-feet. Completed in 1984, the structure is 42 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.
At 39 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Montana |
| County | Sweet Grass |
| Nearest City | Lavina |
| River/Stream | Tony (pruett) Creek |
| Coordinates | 46.18571, -109.75398 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 480 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 270 acre-ft |
| Max Storage | 270 acre-ft |
| Normal Storage | 113 acre-ft |
| Max Discharge | 3,169 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Gerald Marstaeller |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03835 |
| Federal ID | MT03835 |
| More Info | State Dam Safety Program |