Tarum #2 is an earth dam located in Valley County, Montana, built in 1952. It carries a Significant hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 325 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 Tarum #2
The primary purpose of Tarum #2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Tarum Farms Inc (private). It impounds the Hell Creek near Poplar.
The dam stands 18 feet tall and stretches 325 feet across, has a maximum storage capacity of 182 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1952, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Montana |
| County | Valley |
| Nearest City | Poplar |
| River/Stream | Hell Creek |
| Coordinates | 48.72710, -106.12480 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 325 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 182 acre-ft |
| Max Storage | 182 acre-ft |
| Normal Storage | 69 acre-ft |
| Drainage Area | 4 sq mi |
| Max Discharge | 700 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Tarum Farms Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01092 |
| Federal ID | MT01092 |
| More Info | State Dam Safety Program |